Andrey Borzenkov pisze:
> On Sunday 01 July 2007, Rafael J. Wysocki wrote:
>> On Saturday, 30 June 2007 06:59, Andrey Borzenkov wrote:
>>> Since 2.6.18 I do not have suspend to RAM; now I am starting to lose
>>> suspend to disk :)
>>>
>>> Environment - vanilla kernel (2.6.22-rc6 currently + squashfs + single
>>> pata_ali patch to switch off DMA on CD-ROM), single root on reiserfs,
>>> libata with pata_ali driver.
>>>
>>> Until 2.6.22-rc I never had problems with hibernation. With 2.6.22-rc
>>> system hung at least once in every rcX. Up to rc6 those lockups were
>>> absolutely silent (black screen without reaction to any key). In rc6 I
>>> just got something different. After resume I got on screem:
>>>
>>> swsusp: Marking nosave pages: 000000000009f000-0000000000100000
>>> swsusp: Basic memory bitmaps created
>>> swsusp: Basic memory bitmaps freed
>>>
>>> After that it just sits there doing nothing. Ther was brief sound of HDD
>>> but I suspect it was related more to power-on. System was responding to
>>> power-on button press:
>>>
>>> ACPI Error (event-0305): No installed handler for fixed event [00000002
>>> 20070125]
>>>
>>> And SysRq was functioning.
>> That probably means that there's a deadlock somewhere in there.
>>
>>> Unfortunately I do not have serial console so I
>>> copy manually stacks from several last screens of output; I have tried to
>>> make a photo but right now my kbluetooth is refusing to work at all so I
>>> cannot transfer them :( (but I suspect quality would be too bad anyway)
>>>
>>> laptop_mode D
>>> io_schedule+0xe/0x20
>> Looks suspicious to me. Can you identify what line of code this points to?
>>
>
> If you could explain how to ...
gdb vmlinux
(gdb) l *io_schedule+0xe
Regards,
Michal
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