Public bug reported:
Happening sInce some time after beta1 (I stopped running KVM for a while
after the beta1 tests were done). Running kvm (via testdrive) against
the ISOs.
Almost always my laptop will hard-freeze. The screen is still painted
under X, but no keys work. I cannot shift to a vTerm, and cannot use the
magic keys to release from X. SSHing from another system fails (no
route/response to/from host). Already established SSH sessions will not
respond.
All in all, it really sounds like a back kernel panic. The only option
is to cycle power, wait for fsck to finish, and start again.
On the few times I do not get a hard-freeze, a running KVM will suddenly
display on the terminal header "QEMU stopped". After that, ending this
KVM run and starting a new one will have KVM unable to recognise the
guest vdisk (just-created/formatted). Rebooting returns KVM to work --
until the hard-freeze.
This has happened today about 20 times. I have been unable to find
anything in the logs pointing to an error, so far. Will now boot the -16
and -18 kernels to see if it is reproducible there; will also try a
vanilla kernel.
ProblemType: Bug
DistroRelease: Ubuntu 10.04
Package: linux-image-2.6.32-19-generic 2.6.32-19.28
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.32-19.28-generic 2.6.32.10+drm33.1
Uname: Linux 2.6.32-19-generic x86_64
AlsaVersion:
Advanced Linux Sound Architecture Driver Version 1.0.22.1.
Compiled on Apr 1 2010 for kernel 2.6.32-19-generic (SMP).
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: cerdea 3476 F.... pulseaudio
/dev/snd/controlC0: cerdea 3476 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
Card hw:0 'SB'/'HDA ATI SB at 0xfebfc000 irq 16'
Mixer name : 'SigmaTel STAC9205'
Components : 'HDA:838476a0,102801fd,00100204
HDA:14f12c06,14f1000f,00100000'
Controls : 19
Simple ctrls : 11
Card1.Amixer.info:
Card hw:1 'Pro'/'Creative Labs VF0400 Live! Cam Notebook Pro at
usb-0000:00:13.4-1, full speed'
Mixer name : 'USB Mixer'
Components : 'USB041e:4061'
Controls : 0
Simple ctrls : 0
Card1.Amixer.values:
CheckboxSubmission: 23f39d583e289591efa3692115f3f5f2
CheckboxSystem: d00f84de8a555815fa1c4660280da308
Date: Tue Apr 6 18:06:40 2010
EcryptfsInUse: Yes
Frequency: multiple times per day.
HibernationDevice: RESUME=UUID=4212d0ae-0265-44ed-ac84-7b7cd5669fe4
MachineType: Dell Inc. Inspiron 1721
ProcCmdLine: BOOT_IMAGE=/vmlinuz-2.6.32-19-generic root=/dev/mapper/sys-root ro
crashkernel=384M-2G:64M,2G-:128M console=tty1 security=apparmor vbe_mode=0x176
ProcEnviron:
LC_TIME=en_DK.utf8
PATH=(custom, no user)
LANG=en_US.utf8
SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.33
SourcePackage: linux
dmi.bios.date: 04/21/2008
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A07
dmi.board.name: 0RT951
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA07:bd04/21/2008:svnDellInc.:pnInspiron1721:pvr:rvnDellInc.:rn0RT951:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Inspiron 1721
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: High
Assignee: John Johansen (jjohansen)
Status: New
** Tags: amd64 apport-bug kvm lucid needs-upstream-testing regression-potential
--
running KVM almost always hard-freezes the host
https://bugs.launchpad.net/bugs/556919
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