http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #25 from Michel Dänzer 2009-05-23 04:00:05
PST ---
(In reply to comment #24)
> I did not get another X server crash with direct rendering + your patch, in
> fact I did not even get a client app crash.
Hmm, so maybe there's also
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #24 from Stefan Dösinger 2009-05-22
16:35:43 PST ---
To clarify: I forgot to set LD_LIBRARY_PATH in that specific shell instance
where I recorded the backtraces, the other times I am pretty sure I set this.
I did not get another
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #23 from Stefan Dösinger 2009-05-22
14:46:42 PST ---
No, I am not using indirect rendering intentionally. I just noticed that I
forgot to set LD_LIBRARY_PATH, so I was using fglrx's libGL. Doh!
Anyway, my debugging suggests that
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #22 from Michel Dänzer 2009-05-22 14:25:14
PST ---
Looks like the patch fixed the xserver crash, now the Mesa code needs to be
fixed. Not sure if we should keep tracking that here or in a separate report.
BTW, are you intentiona
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #21 from Stefan Dösinger 2009-05-22
14:14:56 PST ---
Created an attachment (id=26131)
--> (http://bugs.freedesktop.org/attachment.cgi?id=26131)
Another backtrace
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http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #20 from Stefan Dösinger 2009-05-22
14:14:23 PST ---
Created an attachment (id=26130)
--> (http://bugs.freedesktop.org/attachment.cgi?id=26130)
Different crash
With this patch applied I get different crashes at two different pl
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #19 from Michel Dänzer 2009-05-22 13:07:23
PST ---
Created an attachment (id=26128)
--> (http://bugs.freedesktop.org/attachment.cgi?id=26128)
Don't crash if pPriv is NULL
Okay, so it looks like the client side calls DRI2GetBuff
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #18 from Stefan Dösinger 2009-05-22
08:07:41 PST ---
Ok, got the crash again. Similar user-visible symptoms, slightly different
backtrace(I guess the code changed):
Program received signal SIGSEGV, Segmentation fault.
[Switching
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #17 from Stefan Dösinger 2009-05-22
07:52:26 PST ---
Ok, I switched to the X server master branch(and dri2proto master), and so far
no crashes. If they show up again I'll attach the requested info.
So far I only updated my r500
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #16 from Michel Dänzer 2009-05-22 05:45:05
PST ---
(In reply to comment #11)
> Hmm. When I run the X server in gdb it never crashes. Even more things work.
> The clear color issue(21569) is gone too.
Is it loading the driver you
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #15 from Stefan Dösinger 2009-05-22
05:14:45 PST ---
This one is from the r250: It does not look that nice because the X server and
libdri2 are distro-provided, but the crash seesm to be the same:
Program received signal SIGSEGV
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #14 from Stefan Dösinger 2009-05-22
05:10:10 PST ---
Ok, now I have something useable:
Here's a gdb backtrace from the r500 card:
Program received signal SIGSEGV, Segmentation fault.
DRI2GetBuffers (pDraw=0x9434fa0, width=0xbffe
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #13 from Stefan Dösinger 2009-05-22
04:50:19 PST ---
Ok, I got the crash again out of the blue, without changing anything. I just
let the X server sit for a while and ran a SDK sample again and it crashed. The
backtrace in the lo
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #12 from Stefan Dösinger 2009-05-22
04:33:36 PST ---
I'm sorry, this issue just seems to have dissolved entirely. I still suspect
that there's some uninitialized variable or buffer overrun or something like
that. If it returns I'
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #11 from Stefan Dösinger 2009-05-22
04:21:18 PST ---
Hmm. When I run the X server in gdb it never crashes. Even more things work.
The clear color issue(21569) is gone too.
I get a broken pipe signal every now and then, but that
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #10 from Michel Dänzer 2009-05-22 03:33:27
PST ---
Can you get a backtrace of the X server crash? Preferably with gdb, but even
just a log file with a backtrace might be a start.
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http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #9 from Stefan Dösinger 2009-05-22
03:12:31 PST ---
This is a compiler invocation for one of the source files with the default
compile flags:
gcc -c -I. -I../../../../../src/mesa/drivers/dri/common -Iserver
-I../../../../../incl
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #8 from Stefan Dösinger 2009-05-22
03:10:30 PST ---
The problem persists after a kernel and DDX update. I had to disable AGP in the
kernel module to make the X server start though.(bug #21851)
I'll get you the compile flags in a
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #7 from Michel Dänzer 2009-05-22 02:25:22 PST
---
(In reply to comment #5)
> Yup, recompiled with standard CFLAGs and the crash is back(ie, just run
> configure without specifying any CFLAGs)
What are the compiler flags it ends
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #6 from Stefan Dösinger 2009-05-21
05:58:48 PST ---
I tried to retest this with jglisse's DDX and kernel, but bug #21851 crossed my
way.
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http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #5 from Stefan Dösinger 2009-05-20
16:07:18 PST ---
Yup, recompiled with standard CFLAGs and the crash is back(ie, just run
configure without specifying any CFLAGs)
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http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #4 from Stefan Dösinger 2009-05-20
15:42:04 PST ---
Another update - I recompiled Mesa with -O0 -g and the crash seemed to go away.
I will see if the default compile flags bring the crash back.
If it does I guess there's some un
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #3 from Stefan Dösinger 2009-05-20
15:31:30 PST ---
I talked to Maciej Cencora on IRC, and he suggested that this is not a dupe of
21582 because I am not using Compiz.
Wine uses AIGLX in some cases of Child Window OpenGL renderi
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #2 from Stefan Dösinger 2009-05-20
15:13:06 PST ---
Could this be a duplicate of the radeonRefillCurrentDmaRegion bug? (Or wherever
that crash occurred?) I cannot find the bug to check the details, but I
remember it from reading
http://bugs.freedesktop.org/show_bug.cgi?id=21842
--- Comment #1 from Stefan Dösinger 2009-05-20
15:09:54 PST ---
Git revisions used:
Mesa: a13e96359baaa0331561f86ef6487feba6540464
DDX: 48156758ec2c406c28b52b3cd65e77f29d98f79b(Arlied's KMS ddx)
DRM: 1edb70f1b909d06f1c0ee7c9c794aec99454e488
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