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

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From: Tilman Schmidt <tilman@...>
To: Dave Airlie <airlied@...>
Cc: <linux-kernel@...>
Subject: Re: [2.6.25-rc6] possible regression: X server dying
Date: Tuesday, April 1, 2008 - 5:02 am

On Mon, 31 Mar 2008 14:53:29 +1000, Dave Airlie wrote:
:
:
[...]
le+0x2d) [0xb51ea5dd]
ine+0x153) [0xb520cb83]
s+0x3f0) [0xb51f8340]
lush+0x1fb) [0xb52471eb]
Vertices+0x78) [0xb52488e8]
x83) [0xb5112663]

Not really. It's obviously triggered by the screensaver. The machine
runs SuSE's default: gnome-screensaver with mode =3D random and a list
of 189 candidate screensavers, so I can't tell which one(s) of those
actually triggers the problem.

But perhaps that doesn't matter anyway. I recently collected another
X backtrace with kernel 2.6.25-rc7 which looks quite different in
the libglx section:

0: /usr/bin/X(xf86SigHandler+0x81) [0x80e6d81]
1: [0xb7ef7400]
2: /usr/lib/xorg/modules//extensions/libglx.so [0xb7b7d8e8]
3: /usr/lib/xorg/modules//extensions/libglx.so(DoRender+0xdd) [0xb7b7645d=
]
4: /usr/lib/xorg/modules//extensions/libglx.so [0xb7b7657c]
5: /usr/lib/xorg/modules//extensions/libglx.so [0xb7b7aa6d]
6: /usr/bin/X [0x815809e]
7: /usr/bin/X(Dispatch+0x1af) [0x808f68f]
8: /usr/bin/X(main+0x47e) [0x807717e]
9: /lib/libc.so.6(__libc_start_main+0xe0) [0xb7c8bfe0]
10: /usr/bin/X(FontFileCompleteXLFD+0x1e5) [0x8076501]

But I know next to nothing about GL, so I'm out of my depth there.
I'd welcome any suggestions on how to provoke the crash more
regularly so that I could attempt to bisect.

Thanks,
Tilman

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Tilman Schmidt                    E-Mail: tilman@imap.cc
Bonn, Germany
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Messages in current thread:
[2.6.25-rc6] possible regression: X server dying, Tilman Schmidt, (Mon Mar 24, 6:38 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Dave Airlie, (Mon Mar 24, 7:22 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Tilman Schmidt, (Mon Mar 24, 7:45 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Dave Airlie, (Mon Mar 24, 8:53 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Dave Airlie, (Mon Mar 31, 12:53 am)
Re: [2.6.25-rc6] possible regression: X server dying, Tilman Schmidt, (Tue Apr 1, 5:02 am)
Re: [2.6.25-rc6] possible regression: X server dying, Tilman Schmidt, (Mon Apr 7, 6:22 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Ray Lee, (Mon Apr 7, 6:55 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Tilman Schmidt, (Sun Apr 13, 9:02 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Tilman Schmidt, (Wed Apr 9, 7:57 am)
Re: [2.6.25-rc6] possible regression: X server dying, Dave Airlie, (Sun Apr 6, 3:44 am)
[2.6.25] X server dying due to lock not being held, Gerhard Pircher, (Sat Apr 19, 7:30 am)
Re: [2.6.25-rc6] possible regression: X server dying, Gerhard Pircher, (Sun Apr 6, 10:34 am)
Re: [2.6.25-rc6] possible regression: X server dying, Dave Airlie, (Mon Apr 7, 6:27 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Guennadi Liakhovetski, (Tue Apr 8, 5:01 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Guennadi Liakhovetski, (Thu Apr 24, 12:03 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Gerhard Pircher, (Wed Apr 9, 4:54 am)
Re: [2.6.25-rc6] possible regression: X server dying, Oliver Pinter, (Thu Apr 24, 12:40 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Gerhard Pircher, (Thu Apr 24, 4:37 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Mark Lord, (Mon Mar 31, 1:45 pm)
Re: [2.6.25-rc6] possible regression: X server dying, Pavel Machek, (Wed Mar 26, 2:52 pm)