linux-kernel - Re: [2.6.25-rc6] possible regression: X server dying

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Message-ID: <47E83D14.8070800@imap.cc>
Date:	Tue, 25 Mar 2008 00:45:24 +0100
From:	Tilman Schmidt <tilman@...p.cc>
To:	Dave Airlie <airlied@...il.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: [2.6.25-rc6] possible regression: X server dying

On Tue, 25 Mar 2008 09:22:32 +1000, Dave Airlie wrote:
> On Tue, Mar 25, 2008 at 8:38 AM, Tilman Schmidt <tilman@...p.cc> wrote:
>> In the five days since I booted a 2.6.25-rc6 kernel on my development
>>  machine, it has happened three times already that I came back to the
>>  machine to find that the X server had exited, killing all applications
>>  that still had a window open. [...]
> 
> anything in the X.org logfiles?

Ah, of course. Sorry I forgot. Xorg.0.log.old ends with this:

| Backtrace:
| 0: /usr/bin/X(xf86SigHandler+0x81) [0x80e6d81]
| 1: [0xb7fc9400]
| 2:
/usr/lib/xorg/modules//extensions/libGLcore.so(_swrast_Triangle+0x2d)
[0xb51ea5dd]
| 3: /usr/lib/xorg/modules//extensions/libGLcore.so [0xb51f1075]
| 4: /usr/lib/xorg/modules//extensions/libGLcore.so [0xb5206f2e]
| 5: /usr/lib/xorg/modules//extensions/libGLcore.so [0xb52080b8]
| 6:
/usr/lib/xorg/modules//extensions/libGLcore.so(_tnl_run_pipeline+0x153)
[0xb520cb83]
| 7:
/usr/lib/xorg/modules//extensions/libGLcore.so(_tnl_draw_prims+0x3f0)
[0xb51f8340]
| 8:
/usr/lib/xorg/modules//extensions/libGLcore.so(vbo_exec_vtx_flush+0x1fb)
[0xb52471eb]
| 9:
/usr/lib/xorg/modules//extensions/libGLcore.so(vbo_exec_FlushVertices+0x78)
[0xb52488e8]
| 10: /usr/lib/xorg/modules//extensions/libGLcore.so(_mesa_Flush+0x83)
[0xb5112663]
| 11: /usr/lib/xorg/modules//extensions/libglx.so [0xb7c6a107]
| 12: /usr/lib/xorg/modules//extensions/libglx.so [0xb7c4aa6d]
| 13: /usr/bin/X [0x815809e]
| 14: /usr/bin/X(Dispatch+0x1af) [0x808f68f]
| 15: /usr/bin/X(main+0x47e) [0x807717e]
| 16: /lib/libc.so.6(__libc_start_main+0xe0) [0xb7d5dfe0]
| 17: /usr/bin/X(FontFileCompleteXLFD+0x1e5) [0x8076501]
|
| Fatal server error:
| Caught signal 11.  Server aborting

I have put the entire file at
http://gollum.phnxsoft.com/~ts/linux/Xorg.0.log.old
in case you want to have a look.

> does it happen with DRI off?

I guess it does, as my Xorg.0.log{,.old} says:

| (WW) MGA(0): Direct rendering disabled

HTH
Tilman


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