[Bug 613273] Re: kernel panic on ec2 in system_call_fastpath
jMCg
613273 at bugs.launchpad.net
Tue Oct 18 14:33:17 UTC 2011
I added udevadm settle before the line udevadm control --timeout=61
--exit. Nothing changes, still crashing:
[ 1.172059] Refined TSC clocksource calibration: 3411.530 MHz.
[ 1.172703] md: multipath personality registered for level -4
done.
Begin: Running /scripts/init-premount ... done.
Begin: Mounting root file system ... Begin: Running /scripts/local-top ... done.
Begin: Running /scripts/local-premount ... done.
[ 6.212696] EXT4-fs (vda): mounted filesystem with ordered data mode. Opts: (null)
Begin: Running /scripts/local-bottom ... done.
done.
Begin: Running /scripts/init-bottom ... done.
run-init: nuking initramfs contents: Directory not empty
[ 6.334837] Kernel panic - not syncing: Attempted to kill init!
[ 6.336789] Pid: 1, comm: run-init Not tainted 3.0.0-12-server #20-Ubuntu
[ 6.338883] Call Trace:
[ 6.339675] [<ffffffff815e8184>] panic+0x91/0x194
[ 6.340808] [<ffffffff810626c5>] forget_original_parent+0x245/0x250
[ 6.341658] [<ffffffff810626e7>] exit_notify+0x17/0x150
[ 6.342374] [<ffffffff81062feb>] do_exit+0x1fb/0x440
[ 6.343051] [<ffffffff81063387>] sys_exit+0x17/0x20
[ 6.343716] [<ffffffff81606c02>] system_call_fastpath+0x16/0x1b
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https://bugs.launchpad.net/bugs/613273
Title:
kernel panic on ec2 in system_call_fastpath
Status in “initramfs-tools” package in Ubuntu:
Invalid
Status in “linux” package in Ubuntu:
Invalid
Status in “udev” package in Ubuntu:
Fix Released
Status in “initramfs-tools” source package in Maverick:
Invalid
Status in “linux” source package in Maverick:
Invalid
Status in “udev” source package in Maverick:
Triaged
Status in “initramfs-tools” source package in Natty:
Invalid
Status in “linux” source package in Natty:
Invalid
Status in “udev” source package in Natty:
Triaged
Bug description:
In testing alpha-3 build 20100813.2, I found the following kernel oops:
[ 0.473264] Kernel panic - not syncing: Attempted to kill init!^M
[ 0.473277] Pid: 1, comm: run-init Not tainted 2.6.35-14-virtual #19-Ubuntu^M
[ 0.473284] Call Trace:^M
[ 0.473294] [<ffffffff815a0109>] panic+0x90/0x111^M
[ 0.473303] [<ffffffff81006b1b>] ? __raw_callee_save_xen_irq_enable+0x11/0x26^M
[ 0.473312] [<ffffffff8106276d>] forget_original_parent+0x33d/0x350^M
[ 0.473318] [<ffffffff81061b94>] ? put_files_struct+0xc4/0xf0^M
[ 0.473325] [<ffffffff8106279b>] exit_notify+0x1b/0x190^M
[ 0.473330] [<ffffffff810640a5>] do_exit+0x1c5/0x3f0^M
[ 0.473336] [<ffffffff81006afd>] ? __raw_callee_save_xen_irq_disable+0x11/0x1e^M
[ 0.473343] [<ffffffff810643d7>] sys_exit+0x17/0x20^M
[ 0.473349] [<ffffffff8100a0f2>] system_call_fastpath+0x16/0x1b^M
This happened only once in my testing so far today (dozens of boots).
I'm attaching the console log of failed instance. The instance that reported this bug is same ami/region different instance.
ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-14-virtual 2.6.35-14.19
Regression: Yes
Reproducible: No
ProcVersionSignature: User Name 2.6.35-14.19-virtual 2.6.35
Uname: Linux 2.6.35-14-virtual x86_64
AlsaDevices: Error: command ['ls', '-l', '/dev/snd/'] failed with exit code 2: ls: cannot access /dev/snd/: No such file or directory
AplayDevices: Error: [Errno 2] No such file or directory
Architecture: amd64
ArecordDevices: Error: [Errno 2] No such file or directory
CurrentDmesg: [ 12.900041] eth0: no IPv6 routers present
Date: Wed Aug 4 01:19:11 2010
Ec2AMI: ami-09c3bc5b
Ec2AMIManifest: ubuntu-images-testing-ap-southeast-1/ubuntu-maverick-daily-amd64-server-20100803.2.manifest.xml
Ec2AvailabilityZone: ap-southeast-1b
Ec2InstanceType: m1.large
Ec2Kernel: aki-11d5aa43
Ec2Ramdisk: unavailable
Frequency: Once a week.
Lspci:
Lsusb: Error: command ['lsusb'] failed with exit code 1:
ProcCmdLine: root=LABEL=uec-rootfs ro
ProcEnviron:
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcModules: acpiphp 18752 0 - Live 0xffffffffa0000000
SourcePackage: linux
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