Re: [Cooker] Help debuging suspend/resume issue on new kernel

> Luiz Fernando N. Capitulino wrote:
>> Em Mon, 30 Jun 2008 00:46:34 +0100
>> Colin Guthrie <cguthrie@...> escreveu:
>>
>> | Colin Guthrie wrote:
>> | > Hi Salem,
>> | > | > Tiago Salem Herrmann wrote:
>> | >> Hi, try to unload "button" kernel module before calling suspend
>> function.
>> | > | > Thanks for the tip. The button module appears to be causing
>> the issue in | > some capacity as removing it did indeed stop the
>> reboot. Is this a known | > bug? Is there some bugzilla (here or
>> abroad!) entry I can follow?
>> | | Erm, ignore me. I somehow accidentally booted into an older .25
>> kernel | which suspends/resumes fine. So removing the button module
>> had no effect | for me.
>> | | I guess I'll look into that netconsole thingy.
>>
>>  This file:
>>
>> http://www.mjmwired.net/kernel/Documentation/power/basic-pm-debugging.txt
>>
>>  Has some tips on suspend debugging.
>>
>>  In case you don't get a backtrace or isn't sure which module caused it,
>> the most used technique is to try to isolate the module which causes
>> the problem, one way to do it is to try the following:
>>
>> 1. Remove half of your modules
>> 2. Try to suspend
>> 3. Try to resume
>> 4. If resume has worked, then the problem is in the last group of
>>    removed modules
>>
>>  You can also try to boot with init=/bin/bash and initialize the
>> services by hand, trying to suspend before each initialization.
>
> Cool Thanks :)
>
> If I feel up to it tonight (and confident that my filesystem wont bork
> like it did last week when not resuming!!!)  then I'll give it a bash
> tonight.