linux-kernel - Re: Suspend to memory is freezing my machine

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Message-id: <481DF438.30307@shaw.ca>
Date:	Sun, 04 May 2008 11:36:56 -0600
From:	Robert Hancock <hancockr@...w.ca>
To:	Jacek Luczak <difrost.kernel@...il.com>
Cc:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Zdenek Kabelac <zdenek.kabelac@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Suspend to memory is freezing my machine

Jacek Luczak wrote:
> Rafael J. Wysocki pisze:
>> On Sunday, 4 of May 2008, Zdenek Kabelac wrote:
>>> Hello
>> Hi,
>>
>>> With recent 2.6.25 & 2.6.26-rc1 git (around 1 week) I get occasionally
>>> complete freeze of my T61 during suspend. (dual core, 2GB).
>> How reproducible is this?
>>
>>> I'm running kernel with no_console_suspend - but all I can see is
>>> blinking cursor on an empty screen - thus even when I run kernel with
>>> most debug options turned on, I can't pass more details so far.  I run
>>> suspend with with SD card in - so maybe some update in the MMC driver
>>> might be responsible for this ?
>>>
>>> Also - I think that option no_console_suspend doens't work correctly -
>>> as many times with suspend I do not see any log message on my console
>>> screen. However sometimes the log is shown.
>> It would be helpful if you could verify if:
>>
>> (1) The problem occurs without no_console_suspend.
>> (2) The problem occurs without the SD card.
>>
> 
> Hi Rafael,
> 
> same problem here, although I was able to resume system (it's basically Intel
> machine) , but it was unusable - I was able to switch between terminals and see
> output from kernel. So there was:
> 	- Disabling irq #19;
> 	- some kind of lock spinning on disk:
> IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) Serial ATA Storage
> Controller IDE (rev 02)
> 	but I can't provide more output of that lock now - no sign in logs.
> 
> I've made some successful suspend/resume all without sound card active without
> problem. Those appear with sound card active, but I must take closer look - will
> send info later.

Can you post your dmesg and /proc/interrupts output from normal bootup ?
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