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Evaggelos Balaskas

2011-Dec-13 20:16 UTC

[Libguestfs] febootstrap error ?

hi,

i am not quite sure about the below error:

[ 1320.506848] INFO: task init:1 blocked for more than 120 seconds.
[ 1320.510069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.

The below commands

guestmount,
virt-*

either hangs or taking a gazillion time to finish (not correctly).

I've attached a file with two cases

In both cases, in tmp folder there are:

[ebal at mylaptop tmp]? tree libguestfsj5tGtJ/
libguestfsj5tGtJ/
??? guestfsd.sock

0 directories, 1 file
[ebal at mylaptop tmp]? tree libguestfsMRArh2
libguestfsMRArh2
??? guestfsd.sock

0 directories, 1 file

after the processes are hanged

libguestfs 1.14.7
febootstrap 3.12
qemu-kvm 1.0
augeas 0.10.0
hivex 1.3.3
libvirt 0.9.8

[root at mylaptop ~]# uname -r
3.1.4-1-ARCH

any ideas ?

Evaggelos Balaskas
Unix System Engineer - http://ebalaskas.gr.
-------------- next part --------------
A.

libguestfs-test-tool:

[root at mylaptop ~]# time libguestfs-test-tool
===== Test starts here ====LIBGUESTFS_DEBUG=1
TMPDIR=(not set)
libguestfs: new guestfs handle 0x8114d68
library version: 1.14.7
guestfs_get_append: (null)
guestfs_get_attach_method: appliance
guestfs_get_autosync: 1
guestfs_get_direct: 0
guestfs_get_memsize: 500
guestfs_get_network: 0
guestfs_get_path: /usr/lib/guestfs
guestfs_get_pgroup: 0
guestfs_get_qemu: /usr/bin/qemu-kvm
guestfs_get_recovery_proc: 1
guestfs_get_selinux: 0
guestfs_get_smp: 1
guestfs_get_trace: 0
guestfs_get_verbose: 1
host_cpu: i686
Launching appliance, timeout set to 600 seconds.
libguestfs: [00012ms] febootstrap-supermin-helper --verbose -f checksum
'/usr/lib/guestfs/supermin.d' i686
supermin helper [00000ms] whitelist = (not specified), host_cpu = i686, kernel =
(null), initrd = (null), appliance = (null)
supermin helper [00000ms] inputs[0] = /usr/lib/guestfs/supermin.d
checking modpath /lib/modules/3.1.5-1-ARCH is a directory
picked vmlinuz-linux because modpath /lib/modules/3.1.5-1-ARCH exists
supermin helper [00010ms] finished creating kernel
supermin helper [00010ms] visiting /usr/lib/guestfs/supermin.d
supermin helper [00011ms] visiting /usr/lib/guestfs/supermin.d/base.img
supermin helper [00016ms] visiting /usr/lib/guestfs/supermin.d/daemon.img
supermin helper [00081ms] visiting /usr/lib/guestfs/supermin.d/hostfiles
supermin helper [01528ms] visiting /usr/lib/guestfs/supermin.d/init.img
supermin helper [01535ms] adding kernel modules
supermin helper [01727ms] finished creating appliance
libguestfs: [01803ms] begin testing qemu features
libguestfs: [01987ms] finished testing qemu features
libguestfs: accept_from_daemon: 0x8114d68 g->state = 1
[01990ms] /usr/bin/qemu-kvm \
    -drive file=/tmp/libguestfs-test-tool-sda-CDyryJ,format=raw,if=virtio \
    -nodefconfig \
    -machine accel=kvm:tcg \
    -nodefaults \
    -nographic \
    -m 500 \
    -no-reboot \
    -no-hpet \
    -device virtio-serial \
    -serial stdio \
    -chardev socket,path=/tmp/libguestfsMRArh2/guestfsd.sock,id=channel0 \
    -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \
    -kernel /var/tmp/.guestfs-0/kernel.19350 \
    -initrd /var/tmp/.guestfs-0/initrd.19350 \
    -append 'panic=1 console=ttyS0 udevtimeout=300 no_timer_check acpi=off
printk.time=1 cgroup_disable=memory selinux=0 guestfs_verbose=1 TERM=xterm '
\
    -drive
file=/var/tmp/.guestfs-0/root.19350,snapshot=on,if=virtio,cache=unsafefebootstrap:
mounting /proc
febootstrap: uptime: 0.95 0.25
febootstrap: ext2 mini initrd starting up: 3.12 zlib
febootstrap: mounting /sys
febootstrap: internal insmod libcrc32c.ko.gz
insmod: init_module: libcrc32c.ko.gz: Unknown symbol in module
febootstrap: internal insmod crc-ccitt.ko.gz
febootstrap: internal insmod crc-itu-t.ko.gz
febootstrap: internal insmod crc8.ko.gz
febootstrap: internal insmod crc16.ko.gz
febootstrap: internal insmod crc-t10dif.ko.gz
febootstrap: internal insmod crc7.ko.gz
febootstrap: internal insmod crc32c-intel.ko.gz
insmod: init_module: crc32c-intel.ko.gz: No such device
febootstrap: internal insmod crc32c.ko.gz
febootstrap: internal insmod mbcache.ko.gz
febootstrap: internal insmod cdrom.ko.gz
febootstrap: internal insmod scsi_mod.ko.gz
febootstrap: internal insmod sr_mod.ko.gz
febootstrap: internal insmod libata.ko.gz
febootstrap: internal insmod ata_piix.ko.gz
febootstrap: internal insmod scsi_transport_spi.ko.gz
febootstrap: internal insmod sym53c8xx.ko.gz
febootstrap: internal insmod sd_mod.ko.gz
febootstrap: internal insmod rfkill.ko.gz
febootstrap: internal insmod sparse-keymap.ko.gz
febootstrap: internal insmod ideapad-laptop.ko.gz
insmod: init_module: ideapad-laptop.ko.gz: No such device
febootstrap: internal insmod virtio_blk.ko.gz
febootstrap: internal insmod virtio_balloon.ko.gz
febootstrap: internal insmod virtio_pci.ko.gz
[  240.466811] INFO: task init:1 blocked for more than 120 seconds.
[  240.470529] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[  360.473576] INFO: task init:1 blocked for more than 120 seconds.
[  360.476841] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[  480.480131] INFO: task init:1 blocked for more than 120 seconds.
[  480.485284] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
Alarm clock

real	10m0.350s
user	0m0.150s
sys	0m0.260s

B.

[root at mylaptop ~]# time virt-df -a archlinux.qcow2.20111026 -h -v 
libguestfs: [00000ms] febootstrap-supermin-helper --verbose -f checksum
'/usr/lib/guestfs/supermin.d' i686
supermin helper [00000ms] whitelist = (not specified), host_cpu = i686, kernel =
(null), initrd = (null), appliance = (null)
supermin helper [00000ms] inputs[0] = /usr/lib/guestfs/supermin.d
checking modpath /lib/modules/3.1.5-1-ARCH is a directory
picked vmlinuz-linux because modpath /lib/modules/3.1.5-1-ARCH exists
supermin helper [00000ms] finished creating kernel
supermin helper [00000ms] visiting /usr/lib/guestfs/supermin.d
supermin helper [00001ms] visiting /usr/lib/guestfs/supermin.d/base.img
supermin helper [00004ms] visiting /usr/lib/guestfs/supermin.d/daemon.img
supermin helper [00004ms] visiting /usr/lib/guestfs/supermin.d/hostfiles
supermin helper [00100ms] visiting /usr/lib/guestfs/supermin.d/init.img
supermin helper [00101ms] adding kernel modules
supermin helper [00186ms] finished creating appliance
libguestfs: [00193ms] begin testing qemu features
libguestfs: [00225ms] finished testing qemu features
libguestfs: accept_from_daemon: 0x995fcc0 g->state = 1
[00228ms] /usr/bin/qemu-kvm \
    -drive file=archlinux.qcow2.20111026,snapshot=on,if=virtio \
    -nodefconfig \
    -machine accel=kvm:tcg \
    -nodefaults \
    -nographic \
    -m 500 \
    -no-reboot \
    -no-hpet \
    -device virtio-serial \
    -serial stdio \
    -chardev socket,path=/tmp/libguestfsj5tGtJ/guestfsd.sock,id=channel0 \
    -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \
    -kernel /var/tmp/.guestfs-0/kernel.8096 \
    -initrd /var/tmp/.guestfs-0/initrd.8096 \
    -append 'panic=1 console=ttyS0 udevtimeout=300 no_timer_check acpi=off
printk.time=1 cgroup_disable=memory selinux=0 guestfs_verbose=1 TERM=xterm '
\
    -drive
file=/var/tmp/.guestfs-0/root.8096,snapshot=on,if=virtio,cache=unsafefebootstrap:
mounting /proc
febootstrap: uptime: 0.90 0.23
febootstrap: ext2 mini initrd starting up: 3.12 zlib
febootstrap: mounting /sys
febootstrap: internal insmod libcrc32c.ko.gz
insmod: init_module: libcrc32c.ko.gz: Unknown symbol in module
febootstrap: internal insmod crc-ccitt.ko.gz
febootstrap: internal insmod crc-itu-t.ko.gz
febootstrap: internal insmod crc8.ko.gz
febootstrap: internal insmod crc16.ko.gz
febootstrap: internal insmod crc-t10dif.ko.gz
febootstrap: internal insmod crc7.ko.gz
febootstrap: internal insmod crc32c-intel.ko.gz
insmod: init_module: crc32c-intel.ko.gz: No such device
febootstrap: internal insmod crc32c.ko.gz
febootstrap: internal insmod mbcache.ko.gz
febootstrap: internal insmod cdrom.ko.gz
febootstrap: internal insmod scsi_mod.ko.gz
febootstrap: internal insmod sr_mod.ko.gz
febootstrap: internal insmod libata.ko.gz
febootstrap: internal insmod ata_piix.ko.gz
febootstrap: internal insmod scsi_transport_spi.ko.gz
febootstrap: internal insmod sym53c8xx.ko.gz
febootstrap: internal insmod sd_mod.ko.gz
febootstrap: internal insmod rfkill.ko.gz
febootstrap: internal insmod sparse-keymap.ko.gz
febootstrap: internal insmod ideapad-laptop.ko.gz
insmod: init_module: ideapad-laptop.ko.gz: No such device
febootstrap: internal insmod virtio_blk.ko.gz
febootstrap: internal insmod virtio_balloon.ko.gz
febootstrap: internal insmod virtio_pci.ko.gz
d[  240.447039] INFO: task init:1 blocked for more than 120 seconds.
[  240.450298] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[  360.453698] INFO: task init:1 blocked for more than 120 seconds.
[  360.456970] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[  480.460330] INFO: task init:1 blocked for more than 120 seconds.
[  480.463581] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[  600.466783] INFO: task init:1 blocked for more than 120 seconds.
[  600.469937] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[  720.473436] INFO: task init:1 blocked for more than 120 seconds.
[  720.476569] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[  840.480130] INFO: task init:1 blocked for more than 120 seconds.
[  840.483326] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[  960.486803] INFO: task init:1 blocked for more than 120 seconds.
[  960.490049] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 1080.493462] INFO: task init:1 blocked for more than 120 seconds.
[ 1080.496654] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 1200.500173] INFO: task init:1 blocked for more than 120 seconds.
[ 1200.503425] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
[ 1320.506848] INFO: task init:1 blocked for more than 120 seconds.
[ 1320.510069] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.
^C

real	47m41.479s
user	0m0.130s
sys	0m0.133s

Richard W.M. Jones

2011-Dec-14 08:03 UTC

head link

[Libguestfs] febootstrap error ?

On Tue, Dec 13, 2011 at 10:16:31PM +0200, Evaggelos Balaskas
wrote:> [root at mylaptop ~]# time libguestfs-test-tool
[...]> [01990ms] /usr/bin/qemu-kvm \
>     -drive file=/tmp/libguestfs-test-tool-sda-CDyryJ,format=raw,if=virtio \
>     -nodefconfig \
>     -machine accel=kvm:tcg \
>     -nodefaults \
>     -nographic \
>     -m 500 \
>     -no-reboot \
>     -no-hpet \
>     -device virtio-serial \
>     -serial stdio \
>     -chardev socket,path=/tmp/libguestfsMRArh2/guestfsd.sock,id=channel0 \
>     -device virtserialport,chardev=channel0,name=org.libguestfs.channel.0 \
>     -kernel /var/tmp/.guestfs-0/kernel.19350 \
>     -initrd /var/tmp/.guestfs-0/initrd.19350 \
>     -append 'panic=1 console=ttyS0 udevtimeout=300 no_timer_check
acpi=off printk.time=1 cgroup_disable=memory selinux=0 guestfs_verbose=1
TERM=xterm ' \
>     -drive
file=/var/tmp/.guestfs-0/root.19350,snapshot=on,if=virtio,cache=unsafefebootstrap:
mounting /proc
> febootstrap: uptime: 0.95 0.25
> febootstrap: ext2 mini initrd starting up: 3.12 zlib
Is there not any kernel output before the febootstrap line?  That's
what I'd expect to see there, but maybe your kernel disables printk
boot messages or something like that.

Can you boot any other kernel instead?  In the latest febootstrap you
should be able to pick a kernel by setting the $FEBOOTSTRAP_KERNEL and
possibly $FEBOOTSTRAP_MODULES environment variables (see
febootstrap-supermin-helper(8) manual page).  You could try
downloading a standard Fedora or Debian kernel >= 2.6.36 to just see
if one of those kernels works instead.  (Or compile a kernel from
upstream sources).

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines.  Supports shell scripting,
bindings from many languages.  http://libguestfs.org

Richard W.M. Jones

2011-Dec-17 20:17 UTC

head link

[Libguestfs] febootstrap error ?

On Tue, Dec 13, 2011 at 10:16:31PM +0200, Evaggelos Balaskas
wrote:> hi,
> 
> i am not quite sure about the below error:
> 
> [ 1320.506848] INFO: task init:1 blocked for more than 120 seconds.
> [ 1320.510069] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs"
> disables this message.
FYI, this bug is being tracked here:

https://bugzilla.redhat.com/show_bug.cgi?id=768508

Comment 10 contains a fix.

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
virt-p2v converts physical machines to virtual machines.  Boot with a
live CD or over the network (PXE) and turn machines into Xen guests.
http://et.redhat.com/~rjones/virt-p2v

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