linux-kernel - Re: Regression from 2.6.26: Hibernation (possibly suspend) broken on Toshiba R500 (bisected)

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Date:	Wed, 3 Dec 2008 08:40:24 +0100
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Frans Pop <elendil@...net.nl>, Greg KH <greg@...ah.com>,
	Ingo Molnar <mingo@...e.hu>, jbarnes@...tuousgeek.org,
	lenb@...nel.org,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	tiwai@...e.de, Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: Regression from 2.6.26: Hibernation (possibly suspend) broken on Toshiba R500 (bisected)

On Wednesday, 3 of December 2008, Linus Torvalds wrote:
> 
> On Wed, 3 Dec 2008, Rafael J. Wysocki wrote:
> > 
> > Here's the output of 'lspci -vvxxx':
> 
> Ok, I'm not finding any documented quirks that would be memory regions, 
> and in fact it doesn't look like there is even any remotely likely 32-bit 
> valies that might be pointers in your PCI config space that look remotely 
> like they might be conflicting in the area of MMIO space that we allocate 
> PCI resources from (ie 0x88000000-0x92000000).
> 
> Of course, any odd MMIO regions might be descibed by some insane model 
> that doesn't look like an aligned 32-bit value, but that's unlikely.
> 
> So I'm still not seeing anything wrong in there.
> 
> > I'll run the 'pci=cbmemsize=4M' test tomorrow (need to have some sleep).
> 
> Sure. It will be interesting to see if it makes any difference.

It didn't help (failure in the 4th consecutive hibernation/resume cycle).

The patched kernel still hibernates and resumes without problems.

Thanks,
Rafael
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