linux-kernel - Re: [2/4] 2.6.23-rc5: known regressions

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Message-ID: <46DBE660.9020309@zytor.com>
Date:	Mon, 03 Sep 2007 11:48:00 +0100
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Michal Piotrowski <michal.k.k.piotrowski@...il.com>
CC:	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>, Ingo Molnar <mingo@...e.hu>,
	Markus <lists4me@....de>, Jeff Chua <jeff.chua.linux@...il.com>,
	"Antonino A. Daplas" <adaplas@...il.com>,
	Len Brown <lenb@...nel.org>, dth <dth@....net>,
	linux-fsdevel@...r.kernel.org, nfs@...ts.sourceforge.net,
	Trond Myklebust <Trond.Myklebust@...app.com>,
	Andrew Clayton <andrew@...ital-domain.net>,
	Peter Kovar <peter.kovar@...il.com>
Subject: Re: [2/4] 2.6.23-rc5: known regressions

Michal Piotrowski wrote:
> 
> Unclassified
> 
> Subject         : console is messed up after resume from s2ram or switching to console from X
> References      : http://lkml.org/lkml/2007/8/4/6
> Last known good : ?
> Submitter       : Jeff Chua <jeff.chua.linux@...il.com>
> Caused-By       : ?
> Handled-By      : H. Peter Anvin <hpa@...or.com>
>                   Antonino A. Daplas <adaplas@...il.com>
> Workaround      : "s2ram --force --acpi_sleep 1 --vbe_mode"
> Status          : problem is being debugged
> 

I'm inclined to write this one off as general STR weirdness.  The 
problem is reproducible on 2.6.22 if CONFIG_FB is enabled (even if not 
*used*!), and there is a working workaround that is required on a lot of 
machines.

This is suboptimal, of course, but it seems to require a pretty deep 
investigation into the intricacies of this particular platform.

	-hpa
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