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DateThu, 08 Dec 2005 15:09:33 +0100
FromClemens Koller <>
SubjectRe: 2.6.13.2 crash on shutdown on SMP machine
Hello, Zwane!

Zwane Mwaikambo wrote:
>>>>From what i hear it's this issue;
>>>
>>>http://bugzilla.kernel.org/show_bug.cgi?id=5203
>>
>>Yes it seems to be the same issue.
>>But who is Eric, mentioned in bugzilla? :-]
>>If it makes sense I can test his patch while/before he is pushing
>>it upstream.
>
>
> Eric is 'Eric Biederman', Jeff tested his patch but there appears to be a
> failure case when there is no power management callback installed. Could
> you please test the following patch?

Thanks again for the support. Yesterday night, I've checked your patch with the
latest git snapshot (2.6.15-rc5-ge4f5c82a), but it doesn't fix the bug(s) for.

2.6.15-rc5-ge4f5c82a unpatched showes up with:
[...cut due to out of screen...]
try_to_wake_up
__wake_up_common
__wake_up
__queue_work
call_usermodehelper_keys
__call_usermodehelper
kobject_hotplug
class_device_del
...

2.6.15-rc5-ge4f5c82a with your patch crashes differently:
[...cut due to out of screen...]
send_IPI_mask_bitmask
smp_send_reschedule
try_to_wake_up
__wake_up_common
__wake_up_sync
do_notify_parent
....
or: exactly the same patched kernel but at a later time with a different crash:
Badness in send_IPI_mask_bitmask at arch/i386/kernel/smp.c:167
send_IPI_mask_bitmask
smp_send_reschedule
__migrate_task
migration_thread
migration_thread
kthread
kthread
kernel_thread_helper

The attachments are three .gif images of the screen snapshots
of the above error messages (just some more details).

Any ideas?

Greets,
--
Clemens Koller
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