Gabor HALASZ wrote:
> Hi!
>
> I tried to build a devel xen on x86_64 (xeon) on debian sarge; updated
> with mercurial, and built with default kernel config. When booting
> domU I can''t see xen_blk: initialize... line on the console and I
> havn''t block devices in domU.
Ryan Harper and I are looking into this right now.
There''s a race condition somewhere in the block front driver. Xend is
doing everything it''s supposed to and the frontend appears to be being
probed.
Regards,
Anthony Liguori
> The messages of domU
>
> ...
> RAMDISK driver initialized: 16 RAM disks of 32768K size 1024 blocksize
> Xen virtual console successfully installed as tty1
> Event-channel device installed.
> xen_net: Initialising virtual ethernet driver.
> md: md driver 0.90.1 MAX_MD_DEVS=256, MD_SB_DISKS=27
> NET: Registered protocol family 2
> ...
> # mount /proc/
> # cat /proc/devices
> Character devices:
> 1 mem
> 4 tty
> 5 /dev/tty
> 5 /dev/console
> 5 /dev/ptmx
> 10 misc
> 128 ptm
> 136 pts
> 203 cpu/cpuid
>
> Block devices:
> 1 ramdisk
> 9 md
> 254 mdp
>
> The view from dom0:
>
> xen:~# xm list
> Name ID Mem(MiB) VCPUs State Time(s)
> Domain-0 0 245 1 r----- 2100.4
> test 10 256 1 -b---- 0.5
> xen:~# xm block-list 10
> (2049 ((virtual-device 2049) (backend-id 0) (backend
> /local/domain/0/backend/vbd/10/2049) (ring-ref 8) (event-channel 6)))
> (2050 ((virtual-device 2050) (backend-id 0) (backend
> /local/domain/0/backend/vbd/10/2050) (ring-ref 9) (event-channel 7)))
> (2051 ((virtual-device 2051) (backend-id 0) (backend
> /local/domain/0/backend/vbd/10/2051) (ring-ref 10) (event-channel 8)))
>
> The configuration:
>
> xen:~# cat /etc/xen/test
> builder = ''linux''
> kernel = "/boot/vmlinuz-2.6.12.6-xenU"
> ramdisk = "/boot/ramdisk.ext2"
> memory = 256
> name = "test"
> nics = 0
> on_poweroff = ''destroy''
> on_reboot = ''restart''
> on_crash = ''restart''
> root = "/dev/ram0 rw"
> vcpus = 1
> extra = "ramdisk=32768"
> disk = [ ''phy:evms/ZorpRoot,sda1,w'',
> ''phy:evms/ZorpLog,sda2,w'',
''phy:evms/ZorpSwap,sda3,w'' ]
>
> What can I do?
>
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