linux-kernel - Re: Suspend to RAM on MSI PR200YA - do not recover, system immediately turns down

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Date:	Wed, 14 Oct 2009 22:10:00 +0200
From:	Ondrej Hujnak <hujnak.ondrej@...il.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	linux-kernel@...r.kernel.org, mschmidt@...hat.com,
	pm list <linux-pm@...ts.linux-foundation.org>
Subject: Re: Suspend to RAM on MSI PR200YA - do not recover, system 
	immediately turns down

Dne 12.10.2009 23:20, Rafael J. Wysocki napsal(a):
> On Monday 12 October 2009, Ondrej Hujnak wrote:
>
>> 2009/10/10 Rafael J. Wysocki<rjw@...k.pl>:
>>
>>> On Saturday 10 October 2009, Ondrej Hujnak wrote:
>>>
>>>> Hello,
>>>>
>>>> I am trying to make work "Suspend to RAM".
>>>> My laptop is MSI PR200YA, linux
>>>> kernel 2.6.30.8-64.fc11.i586 (fedora 11, 32bit),
>>>> the same is with 2.6.31.1-56.fc12.i686.
>>>> Motherboard - MSI 1221, graphics:
>>>> Mobile GM965/GL960 Integrated Graphics Controller
>>>>
>>>> When I do suspend to RAM it seem to work ok, it sleeps.
>>>> But when I want to wake it, it only switches off (the power
>>>> LED stops blinking).  If I'm having my notebook connected
>>>> to electricity, after start it don't  start screen and keyboard.
>>>> Notebook is running, but there is no HDD activity according
>>>> to the LED indicator. When it is on battery, it normally starts,
>>>> as if I had switched it normally off. Every time after trying to
>>>> suspend it to RAM, on the next start I have
>>>> "last write to superblock in future".
>>>>
>>>> I tried:
>>>>   - suspend from "single" mode
>>>>   - suspend from "single" mode with as many modules as possible rmmod'ed
>>>>   - using "nomodeset"
>>>>   - early suspend-to-RAM at boot test with "test_suspend=mem"
>>>> All with the same result.
>>>>
>>>> I also tried using pm_trace, but this gave no useful results in dmesg
>>>> in the next boot. The clock was not changed by it (the documentation
>>>> said it would be).
>>>>
>>>> I have attached printout of "lspci -vv" and "dmesg" after switching
>>>> pm_trace on.
>>>>
>>>> I'd welcome any ideas how to debug this further.
>>>> I'm looking forward to your reply.
>>>>
>>> Does the pm_test 'core' test work (please see
>>> Documentation/power/basic-pm-debugging.txt)?
>>>
>>> Rafael
>>>
>>>
>> Ok, i tried all kinds of pm_test including core several times
>> and everything seemed ok. I got no error, failure..
>>
>> And i tried all possibilities of /sys/power/disk under
>>   "init=/bin/bash" and same result as above.
>>
> That seems to indicate some kind of a BIOS issue.  However, several suspend
> bugs are going to be fixes in 2.6.32, so perhaps you can try -rc6 or later,
> when they are out.
>
> Thanks,
> Rafael
>
I tried to flash BIOS, so I have it up to date now. And it didn't help at all.
Being too eager to wait for -rc6 i tried v2.6.32-rc4-94-g80f5069, and it didn't
help as well.

Ondrej
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