linux-kernel - Re: [REGRESSION] commit 66c1ca0: {fbmem: fix fb_info->lock and mm->mmap

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Message-ID: <m21vrwi0vc.fsf@igel.home>
Date:	Tue, 14 Apr 2009 01:34:47 +0200
From:	Andreas Schwab <schwab@...ux-m68k.org>
To:	Stefan Richter <stefanr@...6.in-berlin.de>
Cc:	Krzysztof Helt <krzysztof.h1@...zta.fm>,
	Eric Miao <eric.y.miao@...il.com>,
	LKML <linux-kernel@...r.kernel.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Andrey Borzenkov <arvidjaar@...il.com>,
	"Antonino A. Daplas" <adaplas@...il.com>,
	linux-fbdev-devel@...ts.sourceforge.net,
	linux-pm@...ts.linux-foundation.org, Dave Jones <davej@...hat.com>,
	Harvey Harrison <harvey.harrison@...il.com>,
	Johannes Weiner <hannes@...xchg.org>,
	Pavel Roskin <proski@....org>
Subject: Re: [REGRESSION] commit 66c1ca0: {fbmem: fix fb_info->lock and mm->mmap_sem ...} causes Xfbdev not working

Andrea Righi <righi.andrea@...il.com> writes:

> Tested intelfb and X11 with fbdev. It seems to work fine, but I may be
> unable to test the mode switching right now:
>
>   intelfb: Non-CRT device is enabled ( LVDS port ).  Disabling mode switching.
>
> It would be great if someone could help me to test this patch (against
> latest Linus' git - no need to revert 66c1ca).

I can confirm that it fixes the issue.  Tested with radeonfb and MOL.

Andreas.

-- 
Andreas Schwab, schwab@...ux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."
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