Thanks Joseph.
This problem does NOT occur on every shutdown attempt, so I assume I
should not take your requested action. I'm not sure I would be up to
that anyway!
Is this useful:
I have 3 desktop machines other that this one (my general workhorse)
running 12.04, all pretty much up to date with their updates. I also
have 2 laptops on 12.04. I cannot recall seeing this problem on any of
them, but would not swear to that.
This machine:
Linux u1204 3.2.0-24-generic #37-Ubuntu SMP Wed Apr 25 08:43:22 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
Base Board Information
Manufacturer: ASUSTeK Computer INC.
Product Name: M5A97
Version: Rev 1.xx
BIOS Information
Vendor: American Megatrends Inc.
Version: 0705
Release Date: 08/22/2011
AMD Athlon(tm) II X2 260 Processor × 2
4Gb
AMD Radeon HD 6000 Series
I'm wondering if the shutdown sequence asks the hardware to do
something, and then waits forever for that to complete because this HW
specimen happens not to do that, or at least not to report back that it
is done.
I'm guessing that /var/log/syslog contains a trace log made during
shutdown that might indicate the fail point? The last two entries last
night were:
May 16 20:43:26 u1204 kernel: Kernel logging (proc) stopped.
May 16 20:43:26 u1204 rsyslogd: [origin software="rsyslogd"
swVersion="5.8.6" x-pid="882" x-info="http://www.rsyslog.com";] exiting
on signal 15.
of which the first looks like "bye!" from the kernel (which makes one
wonder how the second gets there!).
I can't remember, but I think that was a clean shutdown. Strangely,
there seems to be very little in the log immediately prior to those.
If I get another incident, I'll have another look in syslog.
How more might I be able to help?
Regards
Nick Sharp
On 17/05/12 06:58, Joseph Salisbury wrote:
> Does this happen for every shutdown attempt?
>
> If so, would it be possible for you to test the latest upstream kernel?
> Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the
> latest v3.4kernel[1] (Not a kernel in the daily directory). Once you've
> tested the upstream kernel, please remove the 'needs-upstream-testing'
> tag(Only that one tag, please leave the other tags). This can be done by
> clicking on the yellow pencil icon next to the tag located at the bottom
> of the bug description and deleting the 'needs-upstream-testing' text.
>
> If this bug is fixed in the mainline kernel, please add the following
> tag 'kernel-fixed-upstream'.
>
> If the mainline kernel does not fix this bug, please add the tag:
> 'kernel-bug-exists-upstream'.
>
> If you are unable to test the mainline kernel, for example it will not boot,
> please add the tag: 'kernel-unable-to-test-upstream'.
> Once testing of the upstream kernel is complete, please mark this bug as
> "Confirmed".
>
>
> Thanks in advance.
>
> http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.4-rc7-precise/
>
>
> ** Changed in: linux (Ubuntu)
> Importance: Undecided => Medium
>
> ** Tags added: needs-upstream-testing
>
> ** Changed in: linux (Ubuntu)
> Status: Confirmed => Incomplete
>
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https://bugs.launchpad.net/bugs/997832
Title:
Shutdown hangs
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