** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Fix Committed => Fix Released
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Title:
Xorg crashes when
** Tags added: crash
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Title:
Xorg crashes when exiting steam segfault in sna_pixmap_set_dri()
To manage notifications a
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Triaged => Fix Committed
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Title:
Xorg crashes when exiti
Ok, I'll undo the revert and keep pushing it
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Title:
Xorg crashes when exiting steam segfault in sna_pixmap_set_dri()
T
That's one of the assertions recently added to track down an issue
whereby the flushing flag on the pixmap and the GPU bo became
inconsistent - and yes the patch you reverted was a direct consequence.
;-)
Can you keep running master with assertions enabled and let me know if
it crashes?
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You r
Thanks, that suggests
commit 1f16d854264ea923303b79379266bd789fd9dd4d
Author: Chris Wilson
Date: Mon Feb 18 14:30:55 2013 +
sna/dri: Prevent swapping a decoupled DRI2Buffer
If the DRI2Buffer is no longer valid for the Drawable, for example the
window had just been reparent
That was quick. I didn't have to exit steam though, just launch it:
Program received signal SIGABRT, Aborted.
0x7ff335664037 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt
#0 0x7ff335664037 in raise () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x7ff335667698 in abort () from
I can revert that and test if it exposes the issue.
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Title:
Xorg crashes when exiting steam segfault in sna_pixmap_set_d
I didn't install any package, just updated all my packages which
included xserver-xorg-video-intel. The version apt reports is
2:2.21.2+git20130213.9861423a-0ubuntu0sarvatt. This is an upgrade from
2:2.21.2-0ubuntu0
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which
I'd give it a bit of time before declaring success. Since you've
reported the issue I have been trying to add some paranoia to that layer
and harden it, which is why I was optimist I had fixed something. Can
you tell me the package name you installed from xorg-edgers, so that I
can check to see wha
Nothing, is there a chance it got fixed along the way? Do you want me to
try bisecting things?
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Title:
Xorg crashes when
Ok, built and ready, trying to get it to crash again
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Title:
Xorg crashes when exiting steam segfault in sna_pixmap_set_
(gdb) p *priv
$2 = {
pixmap = 0x7f79de9d5220,
gpu_bo = 0x0,
cpu_bo = 0x7f79dead4330,
gpu_damage = 0x7f79de849421,
cpu_damage = 0x0,
ptr = 0x7f79d6499000,
list = {
next = 0x7f79dead6970,
prev = 0x7f79dead6970
},
stride = 1280,
clear_color = 0,
source_count = 4
Whilst you have the gdb, p *priv again.
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Title:
Xorg crashes when exiting steam segfault in sna_pixmap_set_dri()
To man
Frustating. Can I ask you to build from scratch with debugging enabled:
# sudo apt-get build-dep xserver-xorg-video-intel
# git clone git://anongit.freedesktop.org/xorg/driver/xf86-video-intel
# cd xf86-video-intel
# ./autogen.sh --prefix=/usr --with-default-accel=sna --enable-debug
# make && sudo
It crashed again.
For reference, I've added the PPA, updated everything, logged out,
checked that I don't have xorg config file (so that I keep getting sna
by default).
Program received signal SIGSEGV, Segmentation fault.
0x7f79d99ab5d0 in sna_pixmap_set_dri (pixmap=0x7f79de9d5220,
sna=0x7f7
Testing, I'll let you know if it crashes
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Title:
Xorg crashes when exiting steam segfault in sna_pixmap_set_dri()
To ma
I am almost 100% sure I have this fixed in upstream. I've been through
all the places where gpu_bo/gpu_damage can become out-of-sync and
validated that the checks are now inplace. If you can find the time to
test with ppa:xorg-edgers (dated from today) that would be extremely
useful.
** Changed in
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Triaged
** Summary changed:
- Xorg crashes when exiting steam
+ Xorg crashes when exiting steam segfault in sna_pixmap_set_dri()
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I don't really know what triggers it. I tried a number of activities -
launching steam and immediately exiting it (via menu, indicator, or
accelerator), launching a game (I only tried uplink) and exiting. In the
end I don't see a pattern. I saw crashes immediately after starting and
long after keep
That explains how we got through move_to_gpu, but doesn't reveal how we
set it to be NULL in the first place. Thanks.
Do you have a better idea of how to trigger it now?
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(gdb) info locals
priv = 0x7f8694205160
tiling = 1
(gdb) print *priv
$3 = {
pixmap = 0x7f8694200b20,
gpu_bo = 0x0,
cpu_bo = 0x7f8693e673a0,
gpu_damage = 0x7f8693b996e1,
cpu_damage = 0x0,
ptr = 0x7f868eb58000,
list = {
next = 0x7f8694205190,
prev = 0x7f8694205190
},
Program received signal SIGSEGV, Segmentation fault.
0x7f868f35c0a1 in sna_pixmap_set_dri (pixmap=0x7f8694200b20,
sna=0x7f8692908010) at ../../../src/sna/sna_dri.c:186
186 ../../../src/sna/sna_dri.c: Nie ma takiego pliku ani katalogu.
(gdb) backtrace full
#0 0x7f868f35c0a1 in sna_pixm
I just got it, it's still here:
Program received signal SIGSEGV, Segmentation fault.
0x7fa7fcea80a1 in sna_pixmap_set_dri (pixmap=0x7fa802bacbc0,
sna=0x7fa800454010) at ../../../src/sna/sna_dri.c:186
186 ../../../src/sna/sna_dri.c: Nie ma takiego pliku ani katalogu.
Sadly I could not cap
I can no longer reproduce the crash. Steam was updated in the meantime
so it could have been fixed (workaround?) by valve
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Can you please "apt-get install xserver-xorg-video-intel-dbg &&
addr2line -e /usr/lib/xorg/modules/drivers/intel_drv.so 0xd40a1"
That gives me sna_dri.c:186
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http
Also, it would be useful if you could retest with ppa:xorg-edgers if you
can reproduce the bug. I've been working on adding more assertions to
the DRI handling which flagged a few potential issues - though I can't
tell if the bug you've encountered is one of those.
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Hmm, that would be sna_pixmap_set_dri() crashing on priv->gpu_bo being
NULL. But I can not see a way for sna_pixmap_move_to_gpu() to not
returning with priv->gpu_bo initialised (or set_dri() bailing). So I
would like to see that stacktrace confirmed.
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Please collect a full backtrace on this crash - see
http://wiki.ubuntu.com/X/Backtracing for guidance.
In answer to #2, from my raring chroot:
/build/buildd/xserver-xorg-video-
intel-2.21.2/build/src/sna/../../../src/sna/sna_dri.c:186
** Changed in: xserver-xorg-video-intel (Ubuntu)
Importan
I'm still waiting upon a symbolic stacktrace.
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: New => Incomplete
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Great, thanks. Installed Steam to see if I can reproduce this bug.
Before I knew it, it was already dawn. Yikes!
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Title:
Can you please "apt-get install xserver-xorg-video-intel-dbg &&
addr2line -e /usr/lib/xorg/modules/drivers/intel_drv.so 0xd40a1"
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