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vineet chadha

2006-Jun-13 15:42 UTC

[Xen-devel] switchroot mount failed

All,
I am running xen3.0.2  and xen unstable on RHEL 4, and get this error when
trying to boot Xen kernel(domain0)
......
Creating root device
Mounting root filesystem
mount: error 6 mounting ext3
mount: error 2 mounting none
Switching to new root
switchroot: mount failed: 22
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempting to kill init!
Then system reboot.In grub.conf,I have changed the root=LABEL=/ to the
actual device
(root=/dev/sda3),and make the same change in /etc/fstab,but I got same
error.*****
*
My system is Intel Xeon, Dual Core Machine, 2.8GHz. 32 bit Linux

my installation steps as below,
# pwd
/home/vineet/xen-3.0.2
# make world
# make install

# cd /boot
# depmod 2.6.16-xen
# mkinitrd -f -v initrd-2.6.16-xen.img 2.6.16-xen
Creating initramfs
Looking for deps of module scsi_mod
Looking for deps of module sd_mod        scsi_mod
Looking for deps of module scsi_mod
Looking for deps of module unknown
Looking for deps of module mptbase
Looking for deps of module mptscsih      mptbase scsi_mod
Looking for deps of module mptbase
Looking for deps of module scsi_mod
Looking for deps of module ide-disk
Looking for deps of module dm-mod
Looking for deps of module ext3  jbd
Looking for deps of module jbd
Using modules:  ./kernel/drivers/scsi/scsi_mod.ko
./kernel/drivers/scsi/sd_mod.ko ./kernel/drivers/message/fusion/mptbase.ko
./kernel/drivers/message/fusion/mptscsih.ko
./kernel/drivers/md/dm-mod.ko./kernel/fs/jbd/jbd.ko
./kernel/fs/ext3/ext3.ko
/sbin/nash -> /tmp/initrd.L28813/bin/nash
/sbin/insmod.static -> /tmp/initrd.L28813/bin/insmod
/sbin/udev.static -> /tmp/initrd.L28813/sbin/udev
/etc/udev/udev.conf -> /tmp/initrd.L28813/etc/udev/udev.conf
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/scsi_mod.ko(elf32-i386) to
/tmp/initrd.L28813/lib/scsi_mod.ko(elf32-i386)
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/sd_mod.ko(elf32-i386) to
/tmp/initrd.L28813/lib/sd_mod.ko(elf32-i386)
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/mptbase.ko(elf32-i386)
to /tmp/initrd.L28813/lib/mptbase.ko(elf32-i386)
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/mptscsih.ko(elf32-i386)
to /tmp/initrd.L28813/lib/mptscsih.ko(elf32-i386)
copy from /lib/modules/2.6.16-xen/./kernel/drivers/md/dm-mod.ko(elf32-i386)
to /tmp/initrd.L28813/lib/dm-mod.ko(elf32-i386)
copy from /lib/modules/2.6.16-xen/./kernel/fs/jbd/jbd.ko(elf32-i386) to
/tmp/initrd.L28813/lib/jbd.ko(elf32-i386)
copy from /lib/modules/2.6.16-xen/./kernel/fs/ext3/ext3.ko(elf32-i386) to
/tmp/initrd.L28813/lib/ext3.ko(elf32-i386)
Loading module scsi_mod
Loading module sd_mod
Loading module mptbase
Loading module mptscsih
Loading module dm-mod
Loading module jbd
Loading module ext3
#
My grub.conf file:
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Red Hat enterprise linux (2.6.9-22.ELsmp)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-22.ELsmp ro root=LABEL=/ rhgb quiet
        initrd /initrd-2.6.9-22.ELsmp.img
title Red Hat enterprise linux (2.6.9-22.EL)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-22.EL ro root=LABEL=/ rhgb quiet
        initrd /initrd-2.6.9-22.EL.img
title Xen 3.0 / XenLinux 2.6
        root (hd0,0)
        kernel /xen-3.0.gz
        module /vmlinuz-2.6-xen root=LABEL=/ ro console=tty0
        module /initrd-2.6.16-xen.img
I have tried giving different options to creation of mkinitrd command but it
doesnot work. I have tried "builtin" and "with" options and
it doesnot worl.
In addition, I have tried to make hyperthreading disabled,it doesnot work
for me.
I have seen many such messages but no concrete solution to this problem.
Please help.


-Vineet


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel

vineet chadha

2006-Jun-13 15:49 UTC

head link

[Xen-users] Fwd: switchroot mount failed

Adding to my message:

here is result of "df -k" command. I am not using LVM.

/dev/sda3             69938772  11354576  55031424  18% /
/dev/sda1               101086     30610     65257  32% /boot
none                   2075724         0   2075724   0% /dev/shm

Please help
vineet

---------- Forwarded message ----------
From: vineet chadha <virtual.chadha@gmail.com>
Date: Jun 13, 2006 8:42 AM
Subject: switchroot mount failed
To: xen-users@lists.xensource.com, xen-devel@lists.xensource.com


   All,
I am running xen3.0.2  and xen unstable on RHEL 4, and get this error when
trying to boot Xen kernel(domain0)
......
Creating root device
Mounting root filesystem
mount: error 6 mounting ext3
mount: error 2 mounting none
Switching to new root
switchroot: mount failed: 22
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempting to kill init!
Then system reboot.In grub.conf,I have change d the root=LABEL=/ to the
actual device
(root=/dev/sda 3),and make the same change in /etc/fstab, but I got same
error.*****
*
My system is Intel Xeon, Dual Core Machine, 2.8GHz. 32 bit Linux

my installation steps as below,
# pwd
/home/vineet/xen-3.0.2
# make world
# make install

# cd /boot
# depmod 2.6.16-xen
# mkinitrd -f -v initrd-2.6.16-xen.img 2.6.16-xen
Creating initramfs
Looking for deps of module scsi_mod
Looking for deps of module sd_mod        scsi_mod
Looking for deps of module scsi_mod
Looking for deps of module unknown
Looking for deps of module mptbase
Looking for deps of module mptscsih      mptbase scsi_mod
Looking for deps of module mptbase
Looking for deps of module scsi_mod
Looking for deps of module ide-disk
Looking for deps of module dm-mod
Looking for deps of module ext3  jbd
Looking for deps of module jbd
Using modules:  ./kernel/drivers/scsi/scsi_mod.ko
./kernel/drivers/scsi/sd_mod.ko ./kernel/drivers/message/fusion/mptbase.ko
./kernel/drivers/message/fusion/mptscsih.ko ./kernel/drivers/md/dm-
mod.ko./kernel/fs/jbd/jbd.ko ./kernel/fs/ext3/ext3.ko
/sbin/nash -> /tmp/initrd.L28813/bin/nash
/sbin/insmod.static -> /tmp/initrd.L28813/bin/insmod
/sbin/udev.static -> /tmp/initrd.L28813/sbin/udev
/etc/udev/udev.conf -> /tmp/initrd.L28813/etc/udev/udev.conf
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/scsi_mod.ko(elf32-i386) to
/tmp/initrd.L28813/lib/scsi_mod.ko(elf32-i386)
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/sd_mod.ko(elf32-i386) to
/tmp/initrd.L28813/lib/sd_mod.ko(elf32-i386)
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/mptbase.ko(elf32-i386)
to /tmp/initrd.L28813/lib/mptbase.ko(elf32-i386)
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/mptscsih.ko(elf32-i386)
to /tmp/initrd.L28813/lib/mptscsih.ko(elf32-i386)
copy from /lib/modules/2.6.16-xen/./kernel/drivers/md/dm-mod.ko(elf32-i386)
to /tmp/initrd.L28813/lib/dm-mod.ko(elf32-i386)
copy from /lib/modules/2.6.16-xen/./kernel/fs/jbd/jbd.ko(elf32-i386) to
/tmp/initrd.L28813/lib/jbd.ko(elf32-i386)
copy from /lib/modules/2.6.16-xen/./kernel/fs/ext3/ext3.ko(elf32-i386) to
/tmp/initrd.L28813/lib/ext3.ko(elf32-i386)
Loading module scsi_mod
Loading module sd_mod
Loading module mptbase
Loading module mptscsih
Loading module dm-mod
Loading module jbd
Loading module ext3
#
My grub.conf file:
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Red Hat enterprise linux (2.6.9-22.ELsmp)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-22.ELsmp ro root=LABEL=/ rhgb quiet
        initrd /initrd-2.6.9-22.ELsmp.img
title Red Hat enterprise linux (2.6.9-22.EL)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-22.EL ro root=LABEL=/ rhgb quiet
        initrd /initrd- 2.6.9-22.EL.img
title Xen 3.0 / XenLinux 2.6
        root (hd0,0)
        kernel /xen-3.0.gz
        module /vmlinuz-2.6-xen root=LABEL=/ ro console=tty0
        module /initrd-2.6.16-xen.img
I have tried giving different options to creation of mkinitrd command but it
doesnot work. I have tried "builtin" and "with" options and
it doesnot worl.
In addition, I have tried to make hyperthreading disabled,it doesnot work
for me.
I have seen many such messages but no concrete solution to this problem.
Please help.


-Vineet


_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

Luciano Miguel Ferreira Rocha

2006-Jun-13 15:58 UTC

head link

Re: [Xen-devel] switchroot mount failed

On Tue, Jun 13, 2006 at 08:42:51AM -0700, vineet chadha
wrote:>  All,
> I am running xen3.0.2  and xen unstable on RHEL 4, and get this error when
> trying to boot Xen kernel(domain0)
> ......
> Creating root device
> Mounting root filesystem
> mount: error 6 mounting ext3
> mount: error 2 mounting none
These two errors are serious. Either there''s something wrong with the
ext3 module you''re using (compiled for a different kernel?), or, for
some obscure reason, LABEL=/ isn''t supported.

Try specifying root=/dev/sda3 instead.

-- 
lfr
0/0


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel

vineet chadha

2006-Jun-13 16:06 UTC

head link

Re: [Xen-devel] switchroot mount failed

I have mentioned in my message that I have tried /dev/sda3 options
Also, I have compiled ext3 module for same kernel, matter of fact Xen source
code get a pristine kernel from kernel.org to complete the build. So, where
i am wrong? Any ideas
are welcome.

Regards,
Vineet


On 6/13/06, Luciano Miguel Ferreira Rocha <strange@nsk.no-ip.org>
wrote:>
> On Tue, Jun 13, 2006 at 08:42:51AM -0700, vineet chadha wrote:
> >  All,
> > I am running xen3.0.2  and xen unstable on RHEL 4, and get this error
> when
> > trying to boot Xen kernel(domain0)
> > ......
> > Creating root device
> > Mounting root filesystem
> > mount: error 6 mounting ext3
> > mount: error 2 mounting none
>
> These two errors are serious. Either there''s something wrong with
the
> ext3 module you''re using (compiled for a different kernel?), or,
for
> some obscure reason, LABEL=/ isn''t supported.
>
> Try specifying root=/dev/sda3 instead.
>
> --
> lfr
> 0/0
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
>
>
>
>

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel

vineet chadha

2006-Jun-13 18:02 UTC

head link

[Xen-users] Re: [Xen-devel] switchroot mount failed

You mean to provide builtin option in mkinitrd....
Now, I am trying

mkinitrd --builtin .... initrd-xxxx  2.6.xxxx

I just did make world and make install ....is there is to specify  to
compile scsi and ext3 in kernel ?


On 6/13/06, Luciano Miguel Ferreira Rocha <strange@nsk.no-ip.org>
wrote:>
> On Tue, Jun 13, 2006 at 09:02:32AM -0700, vineet chadha wrote:
> > Hey,
> >
> > If  you read my message, i have mentioned i have tried that.
>
> Yes, you''re right. Sorry for not seeing it.
>
> If you compile the scsi and ext3 modules in the kernel (instead of as
> modules) and boot without an initrd, what error do you get?
>
> --
> lfr
> 0/0
>
>
>

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

vineet chadha

2006-Jun-13 18:27 UTC

head link

[Xen-devel] Fwd: switchroot mount failed

Hi,

Can xen developers kindly post relevant solution to this problem. I have
seen many times on xen list-  not a simple answer. It has come to the point
of frustration. I can provide any information needed.

Regards,
Vineet

---------- Forwarded message ----------
From: vineet chadha <virtual.chadha@gmail.com>
Date: Jun 13, 2006 8:42 AM
Subject: switchroot mount failed
To: xen-users@lists.xensource.com, xen-devel@lists.xensource.com


   All,
I am running xen3.0.2  and xen unstable on RHEL 4, and get this error when
trying to boot Xen kernel(domain0)
......
Creating root device
Mounting root filesystem
mount: error 6 mounting ext3
mount: error 2 mounting none
Switching to new root
switchroot: mount failed: 22
umount /initrd/dev failed: 2
Kernel panic - not syncing: Attempting to kill init!
Then system reboot.In grub.conf,I have change d the root=LABEL=/ to the
actual device
(root=/dev/sda 3),and make the same change in /etc/fstab, but I got same
error.*****
*
My system is Intel Xeon, Dual Core Machine, 2.8GHz. 32 bit Linux

my installation steps as below,
# pwd
/home/vineet/xen-3.0.2
# make world
# make install

# cd /boot
# depmod 2.6.16-xen
# mkinitrd -f -v initrd-2.6.16-xen.img 2.6.16-xen
Creating initramfs
Looking for deps of module scsi_mod
Looking for deps of module sd_mod        scsi_mod
Looking for deps of module scsi_mod
Looking for deps of module unknown
Looking for deps of module mptbase
Looking for deps of module mptscsih      mptbase scsi_mod
Looking for deps of module mptbase
Looking for deps of module scsi_mod
Looking for deps of module ide-disk
Looking for deps of module dm-mod
Looking for deps of module ext3  jbd
Looking for deps of module jbd
Using modules:  ./kernel/drivers/scsi/scsi_mod.ko
./kernel/drivers/scsi/sd_mod.ko ./kernel/drivers/message/fusion/mptbase.ko
./kernel/drivers/message/fusion/mptscsih.ko ./kernel/drivers/md/dm-
mod.ko./kernel/fs/jbd/jbd.ko ./kernel/fs/ext3/ext3.ko
/sbin/nash -> /tmp/initrd.L28813/bin/nash
/sbin/insmod.static -> /tmp/initrd.L28813/bin/insmod
/sbin/udev.static -> /tmp/initrd.L28813/sbin/udev
/etc/udev/udev.conf -> /tmp/initrd.L28813/etc/udev/udev.conf
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/scsi_mod.ko(elf32-i386) to
/tmp/initrd.L28813/lib/scsi_mod.ko(elf32-i386)
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/sd_mod.ko(elf32-i386) to
/tmp/initrd.L28813/lib/sd_mod.ko(elf32-i386)
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/mptbase.ko(elf32-i386)
to /tmp/initrd.L28813/lib/mptbase.ko(elf32-i386)
copy from
/lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/mptscsih.ko(elf32-i386)
to /tmp/initrd.L28813/lib/mptscsih.ko(elf32-i386)
copy from /lib/modules/2.6.16-xen/./kernel/drivers/md/dm-mod.ko(elf32-i386)
to /tmp/initrd.L28813/lib/dm-mod.ko(elf32-i386)
copy from /lib/modules/2.6.16-xen/./kernel/fs/jbd/jbd.ko(elf32-i386) to
/tmp/initrd.L28813/lib/jbd.ko(elf32-i386)
copy from /lib/modules/2.6.16-xen/./kernel/fs/ext3/ext3.ko(elf32-i386) to
/tmp/initrd.L28813/lib/ext3.ko(elf32-i386)
Loading module scsi_mod
Loading module sd_mod
Loading module mptbase
Loading module mptscsih
Loading module dm-mod
Loading module jbd
Loading module ext3
#
My grub.conf file:
default=0
timeout=5
splashimage=(hd0,0)/grub/splash.xpm.gz
hiddenmenu
title Red Hat enterprise linux (2.6.9-22.ELsmp)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-22.ELsmp ro root=LABEL=/ rhgb quiet
        initrd /initrd-2.6.9-22.ELsmp.img
title Red Hat enterprise linux (2.6.9-22.EL)
        root (hd0,0)
        kernel /vmlinuz-2.6.9-22.EL ro root=LABEL=/ rhgb quiet
        initrd /initrd- 2.6.9-22.EL.img
title Xen 3.0 / XenLinux 2.6
        root (hd0,0)
        kernel /xen-3.0.gz
        module /vmlinuz-2.6-xen root=LABEL=/ ro console=tty0
        module /initrd-2.6.16-xen.img
I have tried giving different options to creation of mkinitrd command but it
doesnot work. I have tried "builtin" and "with" options and
it doesnot worl.
In addition, I have tried to make hyperthreading disabled,it doesnot work
for me.
I have seen many such messages but no concrete solution to this problem.
Please help.


-Vineet


_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel

vineet chadha

2006-Jun-14 19:38 UTC

head link

[Xen-devel] Re: switchroot mount failed

Hi,

I am attaching lpci and lsmod for Xen boot problem mentioned below. Any
clues ?

-Vineet

On 6/13/06, vineet chadha <virtual.chadha@gmail.com>
wrote:>
>  Hi,
>
> Can xen developers kindly post relevant solution to this problem. I have
> seen many times on xen list-  not a simple answer. It has come to the point
> of frustration. I can provide any information needed.
>
> Regards,
> Vineet
>
> ---------- Forwarded message ----------
> From: vineet chadha <virtual.chadha@gmail.com>
> Date: Jun 13, 2006 8:42 AM
> Subject: switchroot mount failed
> To: xen-users@lists.xensource.com, xen-devel@lists.xensource.com
>
>
>     All,
> I am running xen3.0.2  and xen unstable on RHEL 4, and get this error when
> trying to boot Xen kernel(domain0)
> ......
> Creating root device
> Mounting root filesystem
> mount: error 6 mounting ext3
> mount: error 2 mounting none
> Switching to new root
> switchroot: mount failed: 22
> umount /initrd/dev failed: 2
> Kernel panic - not syncing: Attempting to kill init!
> Then system reboot.In grub.conf,I have change d the root=LABEL=/ to the
> actual device
> (root=/dev/sda 3),and make the same change in /etc/fstab, but I got same
> error.*****
> *
> My system is Intel Xeon, Dual Core Machine, 2.8GHz. 32 bit Linux
>
> my installation steps as below,
> # pwd
> /home/vineet/xen-3.0.2
> # make world
> # make install
>
> # cd /boot
> # depmod 2.6.16-xen
> # mkinitrd -f -v initrd-2.6.16-xen.img 2.6.16-xen
> Creating initramfs
> Looking for deps of module scsi_mod
> Looking for deps of module sd_mod        scsi_mod
> Looking for deps of module scsi_mod
> Looking for deps of module unknown
> Looking for deps of module mptbase
> Looking for deps of module mptscsih      mptbase scsi_mod
> Looking for deps of module mptbase
> Looking for deps of module scsi_mod
> Looking for deps of module ide-disk
> Looking for deps of module dm-mod
> Looking for deps of module ext3  jbd
> Looking for deps of module jbd
> Using modules:  ./kernel/drivers/scsi/scsi_mod.ko
> ./kernel/drivers/scsi/sd_mod.ko ./kernel/drivers/message/fusion/mptbase.ko
> ./kernel/drivers/message/fusion/mptscsih.ko ./kernel/drivers/md/dm-
mod.ko./kernel/fs/jbd/jbd.ko ./kernel/fs/ext3/ext3.ko
> /sbin/nash -> /tmp/initrd.L28813/bin/nash
> /sbin/insmod.static -> /tmp/initrd.L28813/bin/insmod
> /sbin/udev.static -> /tmp/initrd.L28813/sbin/udev
> /etc/udev/udev.conf -> /tmp/initrd.L28813/etc/udev/udev.conf
> copy from
> /lib/modules/2.6.16-xen/./kernel/drivers/scsi/scsi_mod.ko(elf32-i386) to
> /tmp/initrd.L28813/lib/scsi_mod.ko(elf32-i386)
> copy from
> /lib/modules/2.6.16-xen/./kernel/drivers/scsi/sd_mod.ko(elf32-i386) to
> /tmp/initrd.L28813/lib/sd_mod.ko(elf32-i386)
> copy from
>
/lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/mptbase.ko(elf32-i386)
> to /tmp/initrd.L28813/lib/mptbase.ko(elf32-i386)
> copy from
>
/lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/mptscsih.ko(elf32-i386)
> to /tmp/initrd.L28813/lib/mptscsih.ko(elf32-i386)
> copy from /lib/modules/2.6.16-xen/./kernel/drivers/md/dm-mod.ko(elf32-i386)
> to /tmp/initrd.L28813/lib/dm-mod.ko(elf32-i386)
> copy from /lib/modules/2.6.16-xen/./kernel/fs/jbd/jbd.ko(elf32-i386) to
> /tmp/initrd.L28813/lib/jbd.ko(elf32-i386)
> copy from /lib/modules/2.6.16-xen/./kernel/fs/ext3/ext3.ko(elf32-i386) to
> /tmp/initrd.L28813/lib/ext3.ko(elf32-i386)
> Loading module scsi_mod
> Loading module sd_mod
> Loading module mptbase
> Loading module mptscsih
> Loading module dm-mod
> Loading module jbd
> Loading module ext3
> #
> My grub.conf file:
> default=0
> timeout=5
> splashimage=(hd0,0)/grub/splash.xpm.gz
> hiddenmenu
> title Red Hat enterprise linux (2.6.9-22.ELsmp)
>         root (hd0,0)
>         kernel /vmlinuz-2.6.9-22.ELsmp ro root=LABEL=/ rhgb quiet
>         initrd /initrd-2.6.9-22.ELsmp.img
> title Red Hat enterprise linux (2.6.9-22.EL)
>         root (hd0,0)
>         kernel /vmlinuz-2.6.9-22.EL ro root=LABEL=/ rhgb quiet
>         initrd /initrd- 2.6.9-22.EL.img
> title Xen 3.0 / XenLinux 2.6
>         root (hd0,0)
>         kernel /xen-3.0.gz
>         module /vmlinuz-2.6-xen root=LABEL=/ ro console=tty0
>         module /initrd-2.6.16-xen.img
> I have tried giving different options to creation of mkinitrd command but
> it doesnot work. I have tried "builtin" and "with"
options and it doesnot
> worl. In addition, I have tried to make hyperthreading disabled,it doesnot
> work for me.
> I have seen many such messages but no concrete solution to this problem.
> Please help.
>
>
> -Vineet
>



_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel

Keir Fraser

2006-Jun-14 20:11 UTC

head link

Re: [Xen-devel] Re: switchroot mount failed

Does teh kernel boot output indicate that the SCSI module has loaded  
and actually detected any discs (sda in particular)? This doesn''t look
like a Xen-specific problem.

  -- Keir


On 14 Jun 2006, at 20:38, vineet chadha wrote:
> Hi,
>  
> I am attaching lpci and lsmod for Xen boot problem mentioned below.  
> Any clues ?
>  
> -Vineet
>  
> On 6/13/06, vineet chadha <virtual.chadha@gmail.com> wrote: Hi,
>>  
>> Can xen developers kindly post relevant solution to this problem. I  
>> have seen many times on xen list-  not a simple answer. It has come  
>> to the point of frustration. I can provide any information needed.
>>  
>> Regards,
>> Vineet
>>
>> ---------- Forwarded message ----------
>> From: vineet chadha <virtual.chadha@gmail.com>
>> Date: Jun 13, 2006 8:42 AM
>> Subject: switchroot mount failed
>> To: xen-users@lists.xensource.com, xen-devel@lists.xensource.com
>>
>>  
>> All,
>> I am running xen3.0.2  and xen unstable on RHEL 4, and get this error  
>> when trying to boot Xen kernel(domain0)
>>  ......
>> Creating root device
>> Mounting root filesystem
>> mount: error 6 mounting ext3
>> mount: error 2 mounting none
>> Switching to new root
>> switchroot: mount failed: 22
>> umount /initrd/dev failed: 2
>> Kernel panic - not syncing: Attempting to kill init!
>> Then system reboot.In grub.conf,I have change  d the root=LABEL=/ to  
>> the actual device
>> (root=/dev/sda  3),and make the same change in /etc/fstab,  but I got  
>> same error.
>> My system is Intel Xeon, Dual Core Machine, 2.8GHz. 32 bit Linux
>>
>> my installation steps as below, 
>> # pwd
>> /home/vineet/xen-3.0.2
>> # make world
>> # make install
>>        
>>  # cd /boot
>> # depmod 2.6.16-xen
>>  # mkinitrd -f -v initrd-2.6.16-xen.img 2.6.16-xen
>> Creating initramfs
>> Looking for deps of module scsi_mod
>> Looking for deps of module sd_mod        scsi_mod
>>  Looking for deps of module scsi_mod
>> Looking for deps of module unknown
>> Looking for deps of module mptbase
>> Looking for deps of module mptscsih      mptbase scsi_mod
>> Looking for deps of module mptbase
>> Looking for deps of module scsi_mod
>> Looking for deps of module ide-disk
>> Looking for deps of module dm-mod
>> Looking for deps of module ext3  jbd
>>  Looking for deps of module jbd
>> Using modules:  ./kernel/drivers/scsi/scsi_mod.ko  
>> ./kernel/drivers/scsi/sd_mod.ko  
>> ./kernel/drivers/message/fusion/mptbase.ko  
>> ./kernel/drivers/message/fusion/mptscsih.ko ./kernel/drivers/md/dm-  
>> mod.ko ./kernel/fs/jbd/jbd.ko ./kernel/fs/ext3/ext3.ko
>> /sbin/nash -> /tmp/initrd.L28813/bin/nash
>> /sbin/insmod.static -> /tmp/initrd.L28813/bin/insmod
>> /sbin/udev.static -> /tmp/initrd.L28813/sbin/udev
>> /etc/udev/udev.conf -> /tmp/initrd.L28813/etc/udev/udev.conf
>> copy from  
>> /lib/modules/2.6.16-xen/./kernel/drivers/scsi/scsi_mod.ko(elf32-i386)  
>> to /tmp/initrd.L28813/lib/scsi_mod.ko(elf32-i386)
>> copy from  
>> /lib/modules/2.6.16-xen/./kernel/drivers/scsi/sd_mod.ko(elf32-i386)  
>> to /tmp/initrd.L28813/lib/sd_mod.ko(elf32-i386)
>> copy from  
>> /lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/ 
>> mptbase.ko(elf32-i386) to  
>> /tmp/initrd.L28813/lib/mptbase.ko(elf32-i386)
>> copy from  
>> /lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/ 
>> mptscsih.ko(elf32-i386) to  
>> /tmp/initrd.L28813/lib/mptscsih.ko(elf32-i386)
>> copy from  
>> /lib/modules/2.6.16-xen/./kernel/drivers/md/dm-mod.ko(elf32-i386) to  
>> /tmp/initrd.L28813/lib/dm-mod.ko(elf32-i386)
>> copy from /lib/modules/2.6.16-xen/./kernel/fs/jbd/jbd.ko(elf32-i386)  
>> to /tmp/initrd.L28813/lib/jbd.ko(elf32-i386)
>>  copy from  
>> /lib/modules/2.6.16-xen/./kernel/fs/ext3/ext3.ko(elf32-i386) to  
>> /tmp/initrd.L28813/lib/ext3.ko(elf32-i386)
>> Loading module scsi_mod
>> Loading module sd_mod
>> Loading module mptbase
>>  Loading module mptscsih
>> Loading module dm-mod
>> Loading module jbd
>> Loading module ext3
>> #
>> My grub.conf file:
>> default=0
>> timeout=5
>> splashimage=(hd0,0)/grub/splash.xpm.gz
>> hiddenmenu
>> title Red Hat enterprise linux (2.6.9-22.ELsmp)
>>         root (hd0,0)
>>         kernel /vmlinuz-2.6.9-22.ELsmp ro root=LABEL=/ rhgb quiet
>>          initrd /initrd-2.6.9-22.ELsmp.img
>> title Red Hat enterprise linux (2.6.9-22.EL)
>>          root (hd0,0)
>>         kernel /vmlinuz-2.6.9-22.EL ro root=LABEL=/ rhgb quiet
>>         initrd /initrd- 2.6.9-22.EL.img
>> title Xen 3.0 / XenLinux 2.6
>>         root (hd0,0)
>>         kernel /xen-3.0.gz
>>         module /vmlinuz-2.6-xen root=LABEL=/ ro console=tty0
>>          module /initrd-2.6.16-xen.img
>> I have tried giving different options to creation of mkinitrd command  
>> but it doesnot work. I have tried "builtin" and
"with" options and it
>> doesnot worl. In addition, I have tried to make hyperthreading  
>> disabled,it doesnot work for me.
>> I have seen many such messages but no concrete solution to this  
>> problem. Please help.
>>  
>>  
>>
-Vineet<lspci.out><lsmod.out>_________________________________________
>> ______
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel

vineet chadha

2006-Jun-14 20:28 UTC

head link

Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed

Hi keir,

Normal kernel is booting and detecting SCSI disk fine. When i boot in Xen
mode, it gives this problem. If you put search "switchroot mount
failed" in
Xen user/dev list, u will see this has been a common issuse with no solution
posted. Yes, I also believe it is problem with xen kernel not detecting the
SCSI drivers or something.
which log file u want me to check.

Regards,
Vineet


On 6/14/06, Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
wrote:>
>
> Does teh kernel boot output indicate that the SCSI module has loaded
> and actually detected any discs (sda in particular)? This doesn''t
look
> like a Xen-specific problem.
>
> -- Keir
>
>
> On 14 Jun 2006, at 20:38, vineet chadha wrote:
>
> > Hi,
> >
> > I am attaching lpci and lsmod for Xen boot problem mentioned below.
> > Any clues ?
> >
> > -Vineet
> >
> > On 6/13/06, vineet chadha <virtual.chadha@gmail.com> wrote: Hi,
> >>
> >> Can xen developers kindly post relevant solution to this problem.
I
> >> have seen many times onxen list- not a simple answer. It has come
> >> to the point of frustration. I can provide any information needed.
> >>
> >> Regards,
> >> Vineet
> >>
> >> ---------- Forwarded message ----------
> >> From: vineet chadha <virtual.chadha@gmail.com>
> >> Date: Jun 13, 2006 8:42 AM
> >> Subject: switchroot mount failed
> >> To: xen-users@lists.xensource.com, xen-devel@lists.xensource.com
> >>
> >>
> >> All,
> >> I am running xen3.0.2 and xen unstable on RHEL 4, and get this
error
> >> when trying to boot Xen kernel(domain0)
> >>  ......
> >> Creating root device
> >> Mounting root filesystem
> >> mount: error 6 mounting ext3
> >> mount: error 2 mounting none
> >> Switching to new root
> >> switchroot: mount failed: 22
> >> umount /initrd/dev failed: 2
> >> Kernel panic - not syncing: Attempting to kill init!
> >> Then system reboot.In grub.conf,I have change  d the root=LABEL=/
to
> >> the actual device
> >> (root=/dev/sda  3),and make the same change in /etc/fstab,  but I
got
> >> same error.
> >> My system is Intel Xeon, Dual Core Machine, 2.8GHz. 32 bit Linux
> >>
> >> my installation steps as below,
> >> # pwd
> >> /home/vineet/xen-3.0.2
> >> # make world
> >> # make install
> >>
> >>  # cd /boot
> >> # depmod 2.6.16-xen
> >>  # mkinitrd -f -v initrd-2.6.16-xen.img 2.6.16-xen
> >> Creating initramfs
> >> Looking for deps of module scsi_mod
> >> Looking for deps of module sd_mod scsi_mod
> >>  Looking for deps of module scsi_mod
> >> Looking for deps of module unknown
> >> Looking for deps of module mptbase
> >> Looking for deps of module mptscsih mptbase scsi_mod
> >> Looking for deps of module mptbase
> >> Looking for deps of module scsi_mod
> >> Looking for deps of module ide-disk
> >> Looking for deps of module dm-mod
> >> Looking for deps of module ext3 jbd
> >>  Looking for deps of module jbd
> >> Using modules: ./kernel/drivers/scsi/scsi_mod.ko
> >> ./kernel/drivers/scsi/sd_mod.ko
> >> ./kernel/drivers/message/fusion/mptbase.ko
> >> ./kernel/drivers/message/fusion/mptscsih.ko
./kernel/drivers/md/dm-
> >> mod.ko ./kernel/fs/jbd/jbd.ko ./kernel/fs/ext3/ext3.ko
> >> /sbin/nash -> /tmp/initrd.L28813/bin/nash
> >> /sbin/insmod.static -> /tmp/initrd.L28813/bin/insmod
> >> /sbin/udev.static -> /tmp/initrd.L28813/sbin/udev
> >> /etc/udev/udev.conf -> /tmp/initrd.L28813/etc/udev/udev.conf
> >> copy from
> >>
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/scsi_mod.ko(elf32-i386)
> >> to /tmp/initrd.L28813/lib/scsi_mod.ko(elf32-i386)
> >> copy from
> >>
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/sd_mod.ko(elf32-i386)
> >> to /tmp/initrd.L28813/lib/sd_mod.ko(elf32-i386)
> >> copy from
> >> /lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/
> >> mptbase.ko(elf32-i386) to
> >> /tmp/initrd.L28813/lib/mptbase.ko(elf32-i386)
> >> copy from
> >> /lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/
> >> mptscsih.ko(elf32-i386) to
> >> /tmp/initrd.L28813/lib/mptscsih.ko(elf32-i386)
> >> copy from
> >> /lib/modules/2.6.16-xen/./kernel/drivers/md/dm-mod.ko(elf32-i386)
to
> >> /tmp/initrd.L28813/lib/dm-mod.ko(elf32-i386)
> >> copy from
/lib/modules/2.6.16-xen/./kernel/fs/jbd/jbd.ko(elf32-i386)
> >> to /tmp/initrd.L28813/lib/jbd.ko(elf32-i386)
> >>  copy from
> >> /lib/modules/2.6.16-xen/./kernel/fs/ext3/ext3.ko(elf32-i386) to
> >> /tmp/initrd.L28813/lib/ext3.ko(elf32-i386)
> >> Loading module scsi_mod
> >> Loading module sd_mod
> >> Loading module mptbase
> >>  Loading module mptscsih
> >> Loading module dm-mod
> >> Loading module jbd
> >> Loading module ext3
> >> #
> >> My grub.conf file:
> >> default=0
> >> timeout=5
> >> splashimage=(hd0,0)/grub/splash.xpm.gz
> >> hiddenmenu
> >> titleRed Hatenterprise linux(2.6.9-22.ELsmp)
> >> root (hd0,0)
> >> kernel /vmlinuz-2.6.9-22.ELsmp ro root=LABEL=/ rhgb quiet
> >>   initrd /initrd-2.6.9-22.ELsmp.img
> >> title Red Hatenterprise linux (2.6.9-22.EL)
> >>   root (hd0,0)
> >> kernel /vmlinuz-2.6.9-22.EL ro root=LABEL=/ rhgb quiet
> >> initrd /initrd- 2.6.9-22.EL.img
> >> title Xen 3.0 / XenLinux 2.6
> >> root (hd0,0)
> >> kernel /xen-3.0.gz
> >> module /vmlinuz-2.6-xen root=LABEL=/ ro console=tty0
> >>   module /initrd-2.6.16-xen.img
> >> I have tried giving different options to creation of mkinitrd
command
> >> but it doesnot work. I have tried "builtin" and
"with" options and it
> >> doesnot worl. In addition, I have tried to make hyperthreading
> >> disabled,it doesnot work for me.
> >> I have seen many such messages but no concrete solution to this
> >> problem. Please help.
> >>
> >>
> >>
-Vineet<lspci.out><lsmod.out>_________________________________________
> >> ______
> > Xen-devel mailing list
> > Xen-devel@lists.xensource.com
> > http://lists.xensource.com/xen-devel
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xensource.com
http://lists.xensource.com/xen-devel

vineet chadha

2006-Jun-14 20:31 UTC

head link

Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed

Adding to this, i am not redirecting my boot logs to another machine. but as
i observed through boot process, it is detecting all modules, even mkinitrd
doesn''t complain about missing modules.

On 6/14/06, vineet chadha <virtual.chadha@gmail.com>
wrote:>
>  Hi keir,
>
> Normal kernel is booting and detecting SCSI disk fine. When i boot in Xen
> mode, it gives this problem. If you put search "switchroot mount
failed" in
> Xen user/dev list, u will see this has been a common issuse with no
solution
> posted. Yes, I also believe it is problem with xen kernel not detecting the
> SCSI drivers or something.
> which log file u want me to check.
>
> Regards,
> Vineet
>
>
>  On 6/14/06, Keir Fraser <Keir.Fraser@cl.cam.ac.uk> wrote:
>
> >
> Does teh kernel boot output indicate that the SCSI module has loaded
> and actually detected any discs (sda in particular)? This doesn''t
look
> like a Xen-specific problem.
>
> -- Keir
>
>
> On 14 Jun 2006, at 20:38, vineet chadha wrote:
>
> > Hi,
> >
> > I am attaching lpci and lsmod for Xen boot problem mentioned below.
> > Any clues ?
> >
> > -Vineet
> >
> > On 6/13/06, vineet chadha <virtual.chadha@gmail.com> wrote: Hi,
> >>
> >> Can xen developers kindly post relevant solution to this problem.
I
> >> have seen many times onxen list- not a simple answer. It has come
>
> >> to the point of frustration. I can provide any information needed.
> >>
> >> Regards,
> >> Vineet
> >>
> >> ---------- Forwarded message ----------
> >> From: vineet chadha <virtual.chadha@gmail.com>
> >> Date: Jun 13, 2006 8:42 AM
> >> Subject: switchroot mount failed
> >> To: xen-users@lists.xensource.com, xen-devel@lists.xensource.com
> >>
> >>
> >> All,
> >> I am running xen3.0.2 and xen unstable on RHEL 4, and get this
error
> >> when trying to boot Xen kernel(domain0)
> >>  ......
> >> Creating root device
> >> Mounting root filesystem
> >> mount: error 6 mounting ext3
> >> mount: error 2 mounting none
> >> Switching to new root
> >> switchroot: mount failed: 22
> >> umount /initrd/dev failed: 2
> >> Kernel panic - not syncing: Attempting to kill init!
> >> Then system reboot.In grub.conf,I have change  d the root=LABEL=/
to
> >> the actual device
> >> (root=/dev/sda  3),and make the same change in /etc/fstab,  but I
got
> >> same error.
> >> My system is Intel Xeon, Dual Core Machine, 2.8GHz. 32 bit Linux
> >>
> >> my installation steps as below,
> >> # pwd
> >> /home/vineet/xen-3.0.2
> >> # make world
> >> # make install
> >>
> >>  # cd /boot
> >> # depmod 2.6.16-xen
> >>  # mkinitrd -f -v initrd-2.6.16-xen.img 2.6.16-xen
> >> Creating initramfs
> >> Looking for deps of module scsi_mod
> >> Looking for deps of module sd_mod scsi_mod
> >>  Looking for deps of module scsi_mod
> >> Looking for deps of module unknown
> >> Looking for deps of module mptbase
> >> Looking for deps of module mptscsih mptbase scsi_mod
> >> Looking for deps of module mptbase
> >> Looking for deps of module scsi_mod
> >> Looking for deps of module ide-disk
> >> Looking for deps of module dm-mod
> >> Looking for deps of module ext3 jbd
> >>  Looking for deps of module jbd
> >> Using modules: ./kernel/drivers/scsi/scsi_mod.ko
> >> ./kernel/drivers/scsi/sd_mod.ko
> >> ./kernel/drivers/message/fusion/mptbase.ko
> >> ./kernel/drivers/message/fusion/mptscsih.ko
./kernel/drivers/md/dm-
> >> mod.ko ./kernel/fs/jbd/jbd.ko ./kernel/fs/ext3/ext3.ko
> >> /sbin/nash -> /tmp/initrd.L28813/bin/nash
> >> /sbin/insmod.static -> /tmp/initrd.L28813/bin/insmod
> >> /sbin/udev.static -> /tmp/initrd.L28813/sbin/udev
> >> /etc/udev/udev.conf -> /tmp/initrd.L28813/etc/udev/udev.conf
> >> copy from
> >>
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/scsi_mod.ko(elf32-i386)
> >> to /tmp/initrd.L28813/lib/scsi_mod.ko(elf32-i386)
> >> copy from
> >>
/lib/modules/2.6.16-xen/./kernel/drivers/scsi/sd_mod.ko(elf32-i386)
> >> to /tmp/initrd.L28813/lib/sd_mod.ko(elf32-i386)
> >> copy from
> >> /lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/
> >> mptbase.ko(elf32-i386) to
> >> /tmp/initrd.L28813/lib/mptbase.ko(elf32-i386)
> >> copy from
> >> /lib/modules/2.6.16-xen/./kernel/drivers/message/fusion/
> >> mptscsih.ko(elf32-i386) to
> >> /tmp/initrd.L28813/lib/mptscsih.ko(elf32-i386)
> >> copy from
> >> /lib/modules/2.6.16-xen/./kernel/drivers/md/dm-mod.ko(elf32-i386)
to
> >> /tmp/initrd.L28813/lib/dm-mod.ko(elf32-i386)
> >> copy from
/lib/modules/2.6.16-xen/./kernel/fs/jbd/jbd.ko(elf32-i386)
> >> to /tmp/initrd.L28813/lib/jbd.ko(elf32-i386)
> >>  copy from
> >> /lib/modules/2.6.16-xen/./kernel/fs/ext3/ext3.ko(elf32-i386) to
> >> /tmp/initrd.L28813/lib/ext3.ko(elf32-i386)
> >> Loading module scsi_mod
> >> Loading module sd_mod
> >> Loading module mptbase
> >>  Loading module mptscsih
> >> Loading module dm-mod
> >> Loading module jbd
> >> Loading module ext3
> >> #
> >> My grub.conf file:
> >> default=0
> >> timeout=5
> >> splashimage=(hd0,0)/grub/splash.xpm.gz
> >> hiddenmenu
> >> titleRed Hatenterprise linux(2.6.9-22.ELsmp)
>
> >> root (hd0,0)
> >> kernel /vmlinuz-2.6.9-22.ELsmp ro root=LABEL=/ rhgb quiet
> >>   initrd /initrd-2.6.9-22.ELsmp.img
> >> title Red Hatenterprise linux ( 2.6.9-22.EL)
>
> >>   root (hd0,0)
> >> kernel /vmlinuz-2.6.9-22.EL ro root=LABEL=/ rhgb quiet
> >> initrd /initrd- 2.6.9-22.EL.img
> >> title Xen 3.0 / XenLinux 2.6
> >> root (hd0,0)
> >> kernel /xen- 3.0.gz
> >> module /vmlinuz-2.6-xen root=LABEL=/ ro console=tty0
> >>   module /initrd-2.6.16-xen.img
> >> I have tried giving different options to creation of mkinitrd
command
> >> but it doesnot work. I have tried "builtin" and
"with" options and it
> >> doesnot worl. In addition, I have tried to make hyperthreading
> >> disabled,it doesnot work for me.
> >> I have seen many such messages but no concrete solution to this
> >> problem. Please help.
> >>
> >>
> >>
-Vineet<lspci.out><lsmod.out>_________________________________________
> >> ______
> > Xen-devel mailing list
> > Xen-devel@lists.xensource.com
> > http://lists.xensource.com/xen-devel
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>
>
>
>

_______________________________________________
Xen-users mailing list
Xen-users@lists.xensource.com
http://lists.xensource.com/xen-users

Keir Fraser

2006-Jun-14 20:49 UTC

head link

Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed

On 14 Jun 2006, at 21:28, vineet chadha wrote:
> Normal kernel is booting and detecting SCSI disk fine. When i boot in 
> Xen mode, it gives this problem. If you put search "switchroot mount 
> failed" in Xen user/dev list, u will see this has been a common issuse
> with no solution posted.
I don''t see any duplicates from anyone else if I use those search 
terms. Perhaps you can provide links to some threads with people having 
the same issue as you?
>  Yes, I also believe it is problem with xen kernel not detecting the 
> SCSI drivers or something.
> which log file u want me to check.
When the boot fails, do you see any lines of output from the kernel 
stating that it has found a block device ''sda''? If the machine
reboots
too quickly for you to read then try adding ''noreboot'' to
Xen''s command
line.

  -- Keir


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http://lists.xensource.com/xen-devel

vineet chadha

2006-Jun-14 21:13 UTC

head link

Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed

Here are links to see for switch root problem ( specifically first link is
exactly similar).

http://lists.xensource.com/archives/html/xen-users/2006-06/msg00274.html
http://lists.xensource.com/archives/html/xen-users/2006-06/msg00272.html
http://lists.xensource.com/archives/html/xen-users/2006-05/msg00416.html

I have re-installed OS and xen in my system ( as i messed up  with grub when
palying around it and in hope that i will rectify that error). I am not
getting same error now but i am getting following error:

PCI: If a device doesn''t work, try "pci=routeirq". If it
helps, post a
report
PCI : Bridge: 0000:01:00:0
  IO window :c000-cfff
  MEM window : fce00000-fcefffff
  PREFETCH window: e0000000-e01fffff
PCI : Bridge: 0000:01:00:2
  IO window :d000-dfff
  MEM window : fcf00000-fcffffff
  PREFETCH window: e0000000-e01fffff
PCI : Bridge: 0000:01:00:0
  IO window :c000-dfff
  MEM window : fce00000-fcefffff
  PREFETCH window: e0000000-e01fffff

I have tried pci=routeirq and apci=off, it still give me error

Yes, I know about noreboot option and I knew module were loaded and
detected.
Thanks for helping me out. I have been trying to make xen work on dual core
Xeon 2.8GhZ for last two days....and i have to try all options...so i am now
not able to replicate same error. I am using Xen 3.0.2-2. Kindly guide me
with this current error.

Regards,
Vineet

On 6/14/06, Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
wrote:>
>
> On 14 Jun 2006, at 21:28, vineet chadha wrote:
>
> > Normal kernel is booting and detecting SCSI disk fine. When i boot in
> > Xen mode, it gives this problem. If you put search "switchroot
mount
> > failed" in Xen user/dev list, u will see this has been a common
issuse
> > with no solution posted.
>
> I don''t see any duplicates from anyone else if I use those search
> terms. Perhaps you can provide links to some threads with people having
> the same issue as you?
>
> >  Yes, I also believe it is problem with xen kernel not detecting the
> > SCSI drivers or something.
> > which log file u want me to check.
>
> When the boot fails, do you see any lines of output from the kernel
> stating that it has found a block device ''sda''? If the
machine reboots
> too quickly for you to read then try adding ''noreboot'' to
Xen''s command
> line.
>
> -- Keir
>
>

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Keir Fraser

2006-Jun-14 21:13 UTC

head link

Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed

On 14 Jun 2006, at 22:13, vineet chadha wrote:
> PCI: If a device doesn''t work, try "pci=routeirq". If it
helps, post a
> report
>  
> I have tried pci=routeirq and apci=off, it still give me error
>  
> Yes, I know about noreboot option and I knew module were loaded and 
> detected.
> Thanks for helping me out. I have been trying to make xen work on dual 
> core Xeon 2.8GhZ for last two days....and i have to try all 
> options...so i am now not able to replicate same error. I am using Xen 
> 3.0.2-2. Kindly guide me with this current error.
The line above is not an error. It''s just useful information if a PCI 
device happens not to work. You should ignore it.

  -- Keir


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vineet chadha

2006-Jun-14 21:15 UTC

head link

Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed

Adding to this, I have now build kernel with scsi Fusion MPT drivers builtin
( i am not sure if that has removed that error-- in fact I am not sure till
this whole thing is working).

On 6/14/06, vineet chadha <virtual.chadha@gmail.com>
wrote:>
>  Here are links to see for switch root problem ( specifically first link
> is exactly similar).
>
> http://lists.xensource.com/archives/html/xen-users/2006-06/msg00274.html
> http://lists.xensource.com/archives/html/xen-users/2006-06/msg00272.html
> http://lists.xensource.com/archives/html/xen-users/2006-05/msg00416.html
>
> I have re-installed OS and xen in my system ( as i messed up  with grub
> when palying around it and in hope that i will rectify that error). I am
not
> getting same error now but i am getting following error:
>
> PCI: If a device doesn''t work, try "pci=routeirq". If it
helps, post a
> report
> PCI : Bridge: 0000:01:00:0
>   IO window :c000-cfff
>   MEM window : fce00000-fcefffff
>   PREFETCH window: e0000000-e01fffff
> PCI : Bridge: 0000:01:00:2
>   IO window :d000-dfff
>   MEM window : fcf00000-fcffffff
>   PREFETCH window: e0000000-e01fffff
> PCI : Bridge: 0000:01:00:0
>   IO window :c000-dfff
>   MEM window : fce00000-fcefffff
>   PREFETCH window: e0000000-e01fffff
>
> I have tried pci=routeirq and apci=off, it still give me error
>
> Yes, I know about noreboot option and I knew module were loaded and
> detected.
> Thanks for helping me out. I have been trying to make xen work on dual
> core Xeon 2.8GhZ for last two days....and i have to try all options...so i
> am now not able to replicate same error. I am using Xen 3.0.2-2. Kindly
> guide me with this current error.
>
> Regards,
>  Vineet
>
>
>  On 6/14/06, Keir Fraser <Keir.Fraser@cl.cam.ac.uk> wrote:
>
> >
> > On 14 Jun 2006, at 21:28, vineet chadha wrote:
> >
> > > Normal kernel is booting and detecting SCSI disk fine. When i
boot in
> > > Xen mode, it gives this problem. If you put search
"switchroot mount
> > > failed" in Xen user/dev list, u will see this has been a
common issuse
> > > with no solution posted.
> >
> > I don''t see any duplicates from anyone else if I use those
search
> > terms. Perhaps you can provide links to some threads with people
having
> > the same issue as you?
> >
> > >  Yes, I also believe it is problem with xen kernel not detecting
the
> > > SCSI drivers or something.
> > > which log file u want me to check.
> >
> > When the boot fails, do you see any lines of output from the kernel
> > stating that it has found a block device ''sda''? If
the machine reboots
> > too quickly for you to read then try adding
''noreboot'' to Xen''s command
> > line.
> >
> > -- Keir
> >
> >
>
>

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vineet chadha

2006-Jun-14 21:22 UTC

head link

Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed

System hangs at this point. Any clue ?

On 6/14/06, Keir Fraser <Keir.Fraser@cl.cam.ac.uk>
wrote:>
>
> On 14 Jun 2006, at 22:13, vineet chadha wrote:
>
> > PCI: If a device doesn''t work, try "pci=routeirq".
If it helps, post a
> > report
> >
> > I have tried pci=routeirq and apci=off, it still give me error
> >
> > Yes, I know about noreboot option and I knew module were loaded and
> > detected.
> > Thanks for helping me out. I have been trying to make xen work on dual
> > core Xeon 2.8GhZ for last two days....and i have to try all
> > options...so i am now not able to replicate same error. I am using Xen
> > 3.0.2-2. Kindly guide me with this current error.
>
> The line above is not an error. It''s just useful information if a
PCI
> device happens not to work. You should ignore it.
>
> -- Keir
>
>

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Keir Fraser

2006-Jun-14 21:25 UTC

head link

Re: [Xen-users] Re: [Xen-devel] Re: switchroot mount failed

On 14 Jun 2006, at 22:22, vineet chadha wrote:
> System hangs at this point. Any clue ?
Can you reproduce this with the latest xen-unstable tree?

  -- Keir


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Kanwar Ranbir Sandhu

2006-Jun-15 04:37 UTC

head link

Re: [Xen-users] switchroot mount failed

On Tue, 2006-13-06 at 08:42 -0700, vineet chadha wrote:> 
> I am running xen3.0.2  and xen unstable on RHEL 4, and get this error
> when trying to boot Xen kernel(domain0) \
> ...... 
> Creating root device
> Mounting root filesystem
> mount: error 6 mounting ext3
> mount: error 2 mounting none
> Switching to new root
> switchroot: mount failed: 22
I''ve been using Xen on a CentOS 4 system for about a month, and
I''ve had
my share of problems: this was one of them.

In my case, I was setting up a second domU, and every time I would boot
it, it would freeze at the "Switching to new root" step.  It was quite
puzzling because the new domU was based on an existing one that was
working perfectly.

During my trouble shooting, I discovered that my base image didn''t have
a /dev directory.  So, I created a /dev directory  (empty of course,
since CentOS 4 uses udev), unmounted the logical volume that contained
the domU, started it, and behold, it finished booting.  It''s now
running
smoothly.

Sooo, you might want to check that /dev exists before you start the
domU.  Even though /dev is populated at boot time, it seems a /dev
directory must first exist.

Regards,

Ranbir
-- 
Kanwar Ranbir Sandhu
Linux 2.6.16-1.2111_FC4 i686 GNU/Linux 
00:21:29 up 1 day, 17:51, 4 users, load average: 0.39, 0.12, 0.04 

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vineet chadha

2006-Jun-16 22:57 UTC

head link

Re: [Xen-users] switchroot mount failed

I checked /dev/ is also there. Also, I have tested with xen-unstable, I do
get switchroot problem. For now, I have moved to another machine to work on.

On 6/14/06, Kanwar Ranbir Sandhu <m3freak@rogers.com>
wrote:>
> On Tue, 2006-13-06 at 08:42 -0700, vineet chadha wrote:
> >
> > I am running xen3.0.2  and xen unstable on RHEL 4, and get this error
> > when trying to boot Xen kernel(domain0) \
> > ......
> > Creating root device
> > Mounting root filesystem
> > mount: error 6 mounting ext3
> > mount: error 2 mounting none
> > Switching to new root
> > switchroot: mount failed: 22
>
> I''ve been using Xen on a CentOS 4 system for about a month, and
I''ve had
> my share of problems: this was one of them.
>
> In my case, I was setting up a second domU, and every time I would boot
> it, it would freeze at the "Switching to new root" step.  It was
quite
> puzzling because the new domU was based on an existing one that was
> working perfectly.
>
> During my trouble shooting, I discovered that my base image didn''t
have
> a /dev directory.  So, I created a /dev directory  (empty of course,
> since CentOS 4 uses udev), unmounted the logical volume that contained
> the domU, started it, and behold, it finished booting.  It''s now
running
> smoothly.
>
> Sooo, you might want to check that /dev exists before you start the
> domU.  Even though /dev is populated at boot time, it seems a /dev
> directory must first exist.
>
> Regards,
>
> Ranbir
> --
> Kanwar Ranbir Sandhu
> Linux 2.6.16-1.2111_FC4 i686 GNU/Linux
> 00:21:29 up 1 day, 17:51, 4 users, load average: 0.39, 0.12, 0.04
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@lists.xensource.com
> http://lists.xensource.com/xen-users
>

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