linux-kernel - Re: swsusp regression (s2dsk) [Was: 2.6.18-rc2-mm1]

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Date:	Sat, 29 Jul 2006 20:59:58 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	Andrew Morton <akpm@...l.org>, linux-kernel@...r.kernel.org,
	pavel@...e.cz, linux-pm@...l.org, linux-mm@...ck.org
Subject: Re: swsusp regression (s2dsk) [Was: 2.6.18-rc2-mm1]

Hi,

On Saturday 29 July 2006 19:58, Jiri Slaby wrote:
> Andrew Morton napsal(a):
> > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.18-rc2/2.6.18-rc2-mm1/
> 
> Hello,
> 
> I have problems with swsusp again. While suspending, the very last thing kernel
> writes is 'restoring higmem' and then hangs, hardly. No sysrq response at all.
> Here is a snapshot of the screen:
> http://www.fi.muni.cz/~xslaby/sklad/swsusp_higmem.gif
> 
> It's SMP system (HT), higmem enabled (1 gig of ram).

Most probably it hangs in device_power_up(), so the problem seems to be
with one of the devices that are resumed with IRQs off.

Does vanila .18-rc2 work?

Rafael
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