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SubjectRe: Random problems with 2.6.28-rc1-git1
Andres Freund ha scritto:
> Hi,
>
> On Sunday 26 October 2008 08:25:39 Mikko C. wrote:
>
>>> If rmmod never returns, alt-sysrq-t output should show us where it got
>>> stuck.
>>>
>> Thanks for your answer
>> I tried Alt-Sysrq-T after a rmmod, but all I get is:
>> "SysRq : Show State"
>> Is it normal? Does it dump the information to a log?
>> Sorry but I never used sysrq in the past.
>>
> You propably have to set the loglevel to something higher before. Either use
> dmesg -n 6 or so or sysrq-6.
>
> Andres
>
Ok, got it.

Oct 26 12:39:56 gentoo rmmod D ffffffff80532a80 0 5264 5088
Oct 26 12:39:56 gentoo ffff880079b5bd78 0000000000000082
0000000000000000 ffff880079b5bd3c
Oct 26 12:39:56 gentoo ffffffff806d3000 ffff88007fafb600
ffff88007f863000 ffff88007fafb850
Oct 26 12:39:56 gentoo 00000001895a50c0 00000000fffe90e8
ffff88007fafb850 00000000000160d1
Oct 26 12:39:56 gentoo Call Trace:
Oct 26 12:39:56 gentoo [<ffffffff8052332d>] schedule_timeout+0xad/0xf0
Oct 26 12:39:56 gentoo [<ffffffff80522578>] wait_for_common+0x148/0x170
Oct 26 12:39:56 gentoo [<ffffffff80231770>] default_wake_function+0x0/0x10
Oct 26 12:39:56 gentoo [<ffffffff8022da33>] __wake_up+0x43/0x70
Oct 26 12:39:56 gentoo [<ffffffff8024a464>] flush_cpu_workqueue+0x44/0x90
Oct 26 12:39:56 gentoo [<ffffffff8024a690>] wq_barrier_func+0x0/0x10
Oct 26 12:39:56 gentoo [<ffffffff8025e150>] __try_stop_module+0x0/0x30
Oct 26 12:39:56 gentoo [<ffffffff8024a5cb>] flush_workqueue+0x3b/0x60
Oct 26 12:39:56 gentoo [<ffffffff8025e150>] __try_stop_module+0x0/0x30
Oct 26 12:39:56 gentoo [<ffffffff8026997c>] __stop_machine+0x10c/0x130
Oct 26 12:39:56 gentoo [<ffffffff80261ced>] sys_delete_module+0x17d/0x290
Oct 26 12:39:56 gentoo [<ffffffff80288c68>] do_munmap+0x348/0x390
Oct 26 12:39:56 gentoo [<ffffffff803a0d51>] __up_write+0x21/0x150
Oct 26 12:39:56 gentoo [<ffffffff8020b94b>] system_call_fastpath+0x16/0x1b

Let me know if it's enough.
Thanks


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