linux-kernel - Re: [BISECTED] post -rc6 regression, X server crash.

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Date:	Thu, 4 Feb 2010 20:45:36 +0100
From:	Paolo Ornati <ornati@...twebnet.it>
To:	Nick Bowler <nbowler@...iptictech.com>
Cc:	linux-kernel@...r.kernel.org, Tejun Heo <tj@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: Re: [BISECTED] post -rc6 regression, X server crash.

On Thu, 4 Feb 2010 09:36:30 -0500
Nick Bowler <nbowler@...iptictech.com> wrote:

> I'm using Intel KMS with xf86-video-intel 2.10.0.  I bisected the issue
> to the following commit.  Reverting the commit allows Xorg to start
> again.
> 
> 859ddf09743a8cc680af33f7259ccd0fd36bfe9d is the first bad commit
> commit 859ddf09743a8cc680af33f7259ccd0fd36bfe9d
> Author: Tejun Heo <tj@...nel.org>
> Date:   Tue Feb 2 13:43:58 2010 -0800
> 
>     idr: fix a critical misallocation bug

Me too, with different chipset and driver version.

Reverting that commit fixes the problem for me.

xf86-video-intel 2.9.1

Xorg.0.log
=============
...
(II) intel(0): Integrated Graphics Chipset: Intel(R) 965G
...

Backtrace:
0: X(xorg_backtrace+0x26) [0x4ec0e6]
1: X(xf86SigHandler+0x39) [0x491769]
2: /lib/libc.so.6 [0x7fbf6439e3a0]
3: /usr/lib64/xorg/modules/drivers//intel_drv.so [0x7fbf62dc5b28]
4: /usr/lib64/xorg/modules/drivers//intel_drv.so(gen4_render_state_init+0x41f) [0x7fbf62dc6eff]
5: /usr/lib64/xorg/modules/drivers//intel_drv.so [0x7fbf62d9d115]
6: /usr/lib64/xorg/modules/drivers//intel_drv.so [0x7fbf62d9e333]
7: X(AddScreen+0x1c6) [0x430ae6]
8: X(InitOutput+0x241) [0x46b421]
9: X(main+0x200) [0x4311f0]
10: /lib/libc.so.6(__libc_start_main+0xe6) [0x7fbf6438aa26]
11: X [0x430839]

Fatal server error:
Caught signal 11.  Server aborting

-- 
	Paolo Ornati
	Linux 2.6.33-rc6-00155-gdb8b522 on x86_64
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