invalid opcode on amd64

[Wouter van Heyst]

From time to time I get messages like:

Message from syslogd@localhost at Thu Sep 21 22:38:47 2006 ...
localhost kernel: [18970.228774] invalid opcode: 0000 [20] SMP

I'm also seeing more weird crashes of applications/kernel modules than I'm used to. This started happening after a recent edgy upgrade (had been running edgy fine before that, even now it is workable, though worrisome)

[Wouter van Heyst (larstiq)]

For what it's worth, I also have dpkg frequently die on me,

> apt-get source cherokee
# after fetching dsc/tar/diff results in:

gpg: Signature made Tue 11 Jul 2006 23:51:38 CEST using DSA key ID 8BB527AF
gpg: Can't check signature: public key not found
dpkg-source: failure: md5sum cherokee_0.5.4-1.diff.gz died from signal 11
Unpack command ‘dpkg-source -x cherokee_0.5.4-1.dsc’ failed.
Check if the 'dpkg-dev' package is installed.
E: Child process failed
shuttle%~/tmp>
Message from syslogd@localhost at Sat Sep 23 16:50:33 2006 ...
localhost kernel: [103363.417806] invalid opcode: 0000 [27] SMP

[Ben Collins (ben-collins)]

Please confirm this with latest 10.24 kernel.

[Wouter van Heyst (larstiq)]

This problem seems gone with linux-image-2.6.17-10-generic 10.33.

Now it gives:

Message from syslogd@localhost at Fri Oct 20 19:28:31 2006 ...
localhost kernel: [ 6482.032811] Oops: 0000 [1] SMP

Message from syslogd@localhost at Fri Oct 20 19:28:31 2006 ...
localhost kernel: [ 6482.033202] CR2: 00002ac831ea7041

But that might very well be a different problem, it isn't killing dpkg every other invocation at least.

[Ben Collins (ben-collins)]

Please attach dmesg output after the oops.

[Wouter van Heyst (larstiq)]

I'm sorry about the slow back and forth, in the future I'll provide dmesg output right away to reduce the pain.

Attached is the part of the kern.0.log with all events from Oct 20 19:28:31 till the end of that day.

[Wouter van Heyst (larstiq)]

Today I got an oops again, after which everything promptly froze.
Inspecting logs after reboot I see there is also an invalid opcode during boot:

Nov 2 13:08:27 localhost kernel: [ 109.210873] invalid opcode: 0000 [1] SMP

I'm considering doing a reinstall to x86 instead of amd64, can I get you anything before I do that?

[Kjell Braden (afflux)]

Hardy Heron 8.04 was recently released. It would be helpful if you could test the new release and verify if this is still an issue - http://www.ubuntu.com/testing . You should be able to test your bug using the LiveCD. Please let us know your results. Thanks.

[Ralph Corderoy (ralph-inputplus)]

Hi, I'm seeing these on an up to date AMD64 machine; Linux peter-desktop 2.6.24-17-generic #1 SMP Thu May 1 13:57:17 UTC 2008 x86_64 GNU/Linux. The few lines that make it to netconsole are attached.

[Leann Ogasawara (leannogasawara)]

The Ubuntu Kernel Team is planning to move to the 2.6.27 kernel for the upcoming Intrepid Ibex 8.10 release. As a result, the kernel team would appreciate it if you could please test this newer 2.6.27 Ubuntu kernel. There are one of two ways you should be able to test:

1) If you are comfortable installing packages on your own, the linux-image-2.6.27-* package is currently available for you to install and test.

--or--

2) The upcoming Alpha5 for Intrepid Ibex 8.10 will contain this newer 2.6.27 Ubuntu kernel. Alpha5 is set to be released Thursday Sept 4. Please watch http://www.ubuntu.com/testing for Alpha5 to be announced. You should then be able to test via a LiveCD.

Please let us know immediately if this newer 2.6.27 kernel resolves the bug reported here or if the issue remains. More importantly, please open a new bug report for each new bug/regression introduced by the 2.6.27 kernel and tag the bug report with 'linux-2.6.27'. Also, please specifically note if the issue does or does not appear in the 2.6.26 kernel. Thanks again, we really appreicate your help and feedback.

[MillenniumBug (millenniumbug)]

This bug report concerns obsolete versions of Ubuntu and has been closed.

If a similar problem exists in Ubuntu 11.04, feel free to open a new one.