** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Fix Committed = Fix Released
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Title:
Xorg
** Tags added: crash
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Title:
Xorg crashes when exiting steam segfault in sna_pixmap_set_dri()
Status in
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
Testing, I'll let you know if it crashes
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Title:
Xorg crashes when exiting steam segfault in
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,
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
Whilst you have the gdb, p *priv again.
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Title:
Xorg crashes when exiting steam segfault in
(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 =
Ok, built and ready, trying to get it to crash again
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Title:
Xorg crashes when exiting steam segfault in
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
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
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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I can revert that and test if it exposes the issue.
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Title:
Xorg crashes when exiting steam segfault in
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 ()
Thanks, that suggests
commit 1f16d854264ea923303b79379266bd789fd9dd4d
Author: Chris Wilson ch...@chris-wilson.co.uk
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
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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Ok, I'll undo the revert and keep pushing it
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Title:
Xorg crashes when exiting steam segfault in
** Changed in: xserver-xorg-video-intel (Ubuntu)
Status: Triaged = Fix Committed
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Title:
Xorg crashes
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