[Bug 60182] X.Org Server terminate when I close video player

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #37 from Weber K. weber...@yahoo.com.br ---
Hi!

Here RESOLVED.

Sorry for late response, I needed to upgrade my whole system to current for
testing.

I have the same new glxgears messages if closed clicking in the close button.
If press esc or with pkill then no error in the console. I think this is caused
by the way glxgears implement main loop.

Thank you very much!

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

Michel Dänzer mic...@daenzer.net changed:

   What|Removed |Added

 Status|NEW |RESOLVED
 Resolution|--- |FIXED

--- Comment #36 from Michel Dänzer mic...@daenzer.net ---
commit c45e728107269c6f51599dad4f6a02ccfef703f1
Author: Michel Dänzer michel.daen...@amd.com
Date:   Wed Sep 18 10:57:52 2013 +0200

DRI2: Install client callback only once

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #34 from Michel Dänzer mic...@daenzer.net ---
(In reply to comment #33)
 (which AFAIK is normal, but didn't happen before).

Yes, that's normal and not related to this problem.

Note that the 'Attempted to destroy previously destroyed buffer.' messages
would appear in the Xorg / LightDM log files, not in the terminal where you run
the application.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #35 from Jose P. lbdkm...@sharklasers.com ---
(In reply to comment #34)
 (In reply to comment #33)
  (which AFAIK is normal, but didn't happen before).
 
 Yes, that's normal and not related to this problem.
 
 Note that the 'Attempted to destroy previously destroyed buffer.' messages
 would appear in the Xorg / LightDM log files, not in the terminal where you
 run the application.

Yes. Sorry if I was not clear, I grep'd through Xorg.*.log, and was not there.
Anyway, please allow someone else to confirm that the patch works.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #31 from Michel Dänzer mic...@daenzer.net ---
(In reply to comment #30)
 This, plus the patch in comment 6, fixed it for me [...]

Thanks, but please try without that other patch. If it's still necessary,
something is still wrong.

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[Bug 60182] X.Org Server terminate when I close video player

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #32 from Michel Dänzer mic...@daenzer.net ---
Actually, just let us know if you still get any 'Attempted to destroy
previously destroyed buffer.' messages.

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[Bug 60182] X.Org Server terminate when I close video player

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #33 from Jose P. lbdkm...@sharklasers.com ---
(In reply to comment #32)
 Actually, just let us know if you still get any 'Attempted to destroy
 previously destroyed buffer.' messages.
None at all.
I only get   'XIO:  fatal IO error 11 (Resource temporarily unavailable) on X
server :0 after 6030 requests (6030 known processed) with 0 events
remaining.' in the console when closing glxgears (alt+f4) (which AFAIK is
normal, but didn't happen before).

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[Bug 60182] X.Org Server terminate when I close video player

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #29 from Michel Dänzer mic...@daenzer.net ---
Created attachment 86051
  -- https://bugs.freedesktop.org/attachment.cgi?id=86051action=edit
DRI2: Install client callback only once

Does this patch fix the problem?

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #30 from Jose P. lbdkm...@sharklasers.com ---
(In reply to comment #29)
 Created attachment 86051 [details] [review]
 DRI2: Install client callback only once
 
 Does this patch fix the problem?

This, plus the patch in comment 6, fixed it for me (Lubuntu saucy, kernel
3.12-rc1 amd64, xserver-xorg-video-radeon 1:7.2.0-0ubuntu6 ).
Thanks people, thank you very much!

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #28 from Weber K. weber...@yahoo.com.br ---
Sorry fellows... I my proposal was only a workaround...
Maybe if you have 2 cards, and only the second is radeon, then the callback
will never be scheduled... :(
The solution needs to be adjusted a little more... Ill think about it...
Ill report if I find something new...
Thanks!

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #22 from Alex Deucher ag...@yahoo.com ---
Can you try a vanilla xf86-video-ati rather than the ubuntu version?  This
looks like it may be specific to their version.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #21 from Weber K. weber...@yahoo.com.br ---
Hello!
I think I found a workaround!

At this file:
https://github.com/RAOF/xf86-video-ati/blob/master/src/radeon_dri2.c

At line 608:
Changed from:
xorg_list_for_each_entry(ref, pClientEventsPriv-reference_list,
link) {
ref-valid = FALSE;
radeon_dri2_unref_buffer(ref-front);
radeon_dri2_unref_buffer(ref-back);
}

Replaced by:
xorg_list_for_each_entry(ref, pClientEventsPriv-reference_list,
link) {
if (ref-valid) {
ref-valid = FALSE;
radeon_dri2_unref_buffer(ref-front);
radeon_dri2_unref_buffer(ref-back);
}
}

I just checked valid before the calls, but I still cannot find what is making
double calls...

Maybe its because I have two boards? Onboard HD4250 e PCIE HD6850?

Thanks!
Weber Kai

bash-4.2# lspci
01:05.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RS880
[Radeon HD 4250]
01:05.1 Audio device: Advanced Micro Devices [AMD] nee ATI RS880 HDMI Audio
[Radeon HD 4200 Series]
02:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Barts
PRO [ATI Radeon HD 6800 Series]
02:00.1 Audio device: Advanced Micro Devices [AMD] nee ATI Barts HDMI Audio
[Radeon HD 6800 Series]

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[Bug 60182] X.Org Server terminate when I close video player

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #24 from Weber K. weber...@yahoo.com.br ---
Looking at neuromancer Xorg log, I found out:
[ 7.278] (--) RADEON(0): Chipset: SUMO (ChipID = 0x9641)
[ 7.548] (--) RADEON(G0): Chipset: TURKS (ChipID = 0x6741)

I think its a problem only with two devices with radeon driver...
After closing client, the destroy buffer is called twice, and causes the
error...

I can workaround, but I cant fix it the right way... I have no experience with
Xorg or radeon driver... I dont know either how to edit the subject of the
bug...

Please... Help us...

Thanks in advance!
Weber Kai

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #23 from Weber K. weber...@yahoo.com.br ---
Hi!

Ive found that (for me) this layout is causing the error:
Section ServerLayout
  Identifier My X Server
  Screen  0  LeftScreen 0 0
  Screen  1  RightScreen RightOf LeftScreen
InputDevice Mouse1 CorePointer
InputDevice Keyboard1 CoreKeyboard
EndSection

If I remove Screen 1 then the error dont occur... Both devices are using
radeon driver...

I cannot test if the error occur only when both devices are radeon, or if
having two Screens of any type...

I think the destroy buffer is called twice because of two screens...

Anyway, the workaround of checking valid value fixes this issue for me...

Sorry, I cant test vanilla, I am using Slackware64... Ive downloaded the source
DVD and changed x11.SlackBuild... Only changed CFLAGS to -O0 -g3 and removed
strip symbols...

Thanks...
Weber Kai

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #25 from lbdkm...@sharklasers.com ---
Yes, this, aparently, only happens in dual AMD graphics laptops (with llano)...
and I found a workaround:
you have to disable the second (discrete) GPU:

echo OFF  /sys/kernel/debug/vgaswitcheroo/switch

and it will not crash anymore... Sadly, vgaswitcheroo throws a big warning in
dmesg: http://pastebin.com/rXj8rrZa (I'm using kernel 3.11.0-6 from ubuntu's
proposed repos) , after which /sys/kernel/debug/vgaswitcheroo/ disappears
completely and I'm not able to use the dGPU until the next boot. I will have to
report this.. dunno where though. (and also, I always get a black screen after
resume from suspend to RAM).

as I said before, the patch helped, i.e., made it harder to crash, but apps
(glxgears, vlc, mplayer + gl) will crash nonetheless.

I hope this helps. And I want to thank the devs for their great job with the
radeon FOSS driver!

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #26 from Weber K. weber...@yahoo.com.br ---
During a test, I needed to issue 2 cont commands at gdb to advance just one
frame at one breakpoint I trapped. And when closing the player, I issued twice
cont at gdb, and only after the segfault occured.

I suspect the function radeon_dri2_screen_init at radeon_dri2.c is called
twice, one for each Screen, and then this routine is scheduling the
radeon_dri2_client_state_changed routine twice with AddCallBack.

This way, when the client state is changed to gone, the destroy buffers
routine is called twice either, and the error occur.

I also want to thank the devs for the radeon driver!
Thank you!

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #27 from Weber K. weber...@yahoo.com.br ---
I think Ive got it! :)

Changed this file:
https://github.com/RAOF/xf86-video-ati/blob/master/src/radeon_dri2.c

Line 1404 from:
AddCallback(ClientStateCallback, radeon_dri2_client_state_changed, 0);

Replaced by:
if (pScrn-scrnIndex == 0) {
AddCallback(ClientStateCallback, radeon_dri2_client_state_changed, 0);
}

The callback is called only once, even if multiple screens! And the error is
gone!
Please, can someone check if it need to be repeated in other parts as well?
If correct, can someone commit it?

Thank you very much! :)
Weber Kai

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #20 from Weber K. weber...@yahoo.com.br ---
Here is what Ive got!
If this dont help, please give me more details and I will try my best!
Thanks in advance!
xf86-video-ati 6.14.4
xorg-server 1.12.4

Program received signal SIGSEGV, Segmentation fault.
0x7ff17f1ad465 in radeon_dri2_destroy_buffer (drawable=0x343bbb0, 
buffers=0x342cc40) at radeon_dri2.c:419
419xf86DrvMsg(scrn-scrnIndex, X_WARNING, 
(gdb) bt f
#0  0x7ff17f1ad465 in radeon_dri2_destroy_buffer (drawable=0x343bbb0, 
buffers=0x342cc40) at radeon_dri2.c:419
scrn = 0x0
pScreen = 0x30a0300
private = 0x343d8f0
#1  0x7ff17f1ad845 in radeon_dri2_unref_buffer (buffer=0x342cc40)
at radeon_dri2.c:585
private = 0x343d8f0
#2  0x7ff17f1ad8ec in radeon_dri2_client_state_changed (
ClientStateCallback=0x860c20 ClientStateCallback, data=0x0, 
calldata=0x7fff2094cb90) at radeon_dri2.c:610
pClientEventsPriv = 0x345a4d0
ref = 0x353ca60
clientinfo = 0x7fff2094cb90
pClient = 0x345a410
#3  0x0043fd67 in _CallCallbacks (pcbl=0x860c20 ClientStateCallback, 
call_data=0x7fff2094cb90) at dixutils.c:715
cbl = 0x2880a40
cbr = 0x2881050
pcbr = 0x0
#4  0x004311fb in CallCallbacks (pcbl=0x860c20 ClientStateCallback, 
call_data=0x7fff2094cb90) at ../include/callback.h:83
No locals.
#5  0x0043926b in CloseDownClient (client=0x345a410) at dispatch.c:3380
clientinfo = {client = 0x345a410, prefix = 0x0, setup = 0x0}
really_close_down = 1
#6  0x004317ab in Dispatch () at dispatch.c:402
clientReady = 0x2ff5ee0
result = -1
client = 0x345a410
nready = 0
icheck = 0x860c30 checkForInput
start_tick = 320
#7  0x00422911 in main (argc=4, argv=0x7fff2094cd58, 
envp=0x7fff2094cd80) at main.c:288
i = 2
alwaysCheckForInput = {0, 1}

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #19 from Weber K. weber...@yahoo.com.br ---
Hi!
This error is happening here also...
Slackware64 linux on AMD Phenom II 1055T, with XFX Radeon HD6850 and open
source drivers radeon.

The X server crash after second close of programs... The first execution goes
fine... Then second crashes...

When mplayer -vo gl2 exits or when I try to execute my own Open GL programs
using SDL calls. The error dont occur with the game warzone 2100, with I think
is strange.

Ill try gdb the X server... If I succeed Ill post the logs.
Thanks!

[  9852.952] (WW) RADEON(0): Attempted to destroy previously destroyed buffer.
This is a programming error
[  9852.952] 
[  9852.952] Backtrace:
[  9852.953] 0: /usr/bin/X (xorg_backtrace+0x36) [0x55d526]
[  9852.953] 1: /usr/bin/X (0x40+0x160ee9) [0x560ee9]
[  9852.953] 2: /lib64/libpthread.so.0 (0x7fc155cf6000+0xf4e0) [0x7fc155d054e0]
[  9852.953] 3: /usr/lib64/xorg/modules/drivers/radeon_drv.so
(0x7fc152ce1000+0xd12e6) [0x7fc152db22e6]
[  9852.953] 4: /usr/lib64/xorg/modules/drivers/radeon_drv.so
(0x7fc152ce1000+0xd1c19) [0x7fc152db2c19]
[  9852.953] 5: /usr/bin/X (_CallCallbacks+0x34) [0x439434]
[  9852.953] 6: /usr/bin/X (CloseDownClient+0x52) [0x434212]
[  9852.953] 7: /usr/bin/X (0x40+0x34d95) [0x434d95]
[  9852.953] 8: /usr/bin/X (0x40+0x23f05) [0x423f05]
[  9852.953] 9: /lib64/libc.so.6 (__libc_start_main+0xf5) [0x7fc1540cda95]
[  9852.953] 10: /usr/bin/X (0x40+0x241dd) [0x4241dd]
[  9852.953] 
[  9852.953] Segmentation fault at address 0x18
[  9852.953] 
Fatal server error:
[  9852.953] Caught signal 11 (Segmentation fault). Server aborting
[  9852.953] 
[  9852.953] 
Please consult the The X.Org Foundation support 
 at http://wiki.x.org
 for help.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #18 from Michel D?nzer  ---
Can someone who can reproduce the problem attach gdb to the X server process
and set a breakpoint where it would print 'Attempted to destroy previously
destroyed buffer.'? Then when it triggers, attach the output of 'bt full' at
the gdb prompt.

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--- Comment #18 from Michel Dänzer mic...@daenzer.net ---
Can someone who can reproduce the problem attach gdb to the X server process
and set a breakpoint where it would print 'Attempted to destroy previously
destroyed buffer.'? Then when it triggers, attach the output of 'bt full' at
the gdb prompt.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #17 from lbdkmjdf at sharklasers.com ---
sorry, I meant "but it crashed twice" in the previous post.
Yet another backtrace:  http://pastebin.com/aVq5Uhyf

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--- Comment #16 from lbdkmjdf at sharklasers.com ---
(In reply to comment #15)
> Does the patch in comment 6 help?

yes, the patch helped a bit... it made it hard to crash xserver, but it crashes
twice after applying it. although, I'm not sure it's just one bug

I got a core dump. here's a backtrace from gdb: http://pastebin.com/T3Vih0ND .
does it make sense?

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--- Comment #15 from Alex Deucher  ---
Does the patch in comment 6 help?

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--- Comment #14 from lbdkmjdf at sharklasers.com ---
so I forgot to install the -dbg packages, but... X server will not crash with
these, so it won't help anyway :/ (and I tried to make it crash a lot of times
after installing the -dbg packages). from what I've read, this is a common bug
in C/C++ programming... 

here's another backtrace:

reporting 8 3 8 60
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7fb36816e516]
(EE) 1: /usr/bin/X (0x7fb367fbe000+0x1b4359) [0x7fb368172359]
(EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fb3670c1000+0xfbd0)
[0x7fb3670d0bd0]
(EE) 3: /usr/lib/xorg/modules/drivers/radeon_drv.so (0x7fb36472c000+0x426f2)
[0x7fb36476e6f2]
(EE) 4: /usr/bin/X (BlockHandler+0x44) [0x7fb36801abc4]
(EE) 5: /usr/bin/X (WaitForSomething+0x114) [0x7fb36816b894]
(EE) 6: /usr/bin/X (0x7fb367fbe000+0x58841) [0x7fb368016841]
(EE) 7: /usr/bin/X (0x7fb367fbe000+0x475aa) [0x7fb3680055aa]
(EE) 8: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5)
[0x7fb365d0dea5]
(EE) 9: /usr/bin/X (0x7fb367fbe000+0x478f1) [0x7fb3680058f1]
(EE) 
(EE) Segmentation fault at address 0x0

Fatal server error:
Caught signal 11 (Segmentation fault). Server aborting

(EE) 
Please consult the The X.Org Foundation support 
 at http://wiki.x.org
 for help. 
(EE) Please also check the log file at "/var/log/Xorg.0.log" for additional
information.
(EE) 
Server terminated with error (1). Closing log file.
Sessions still open, not unmounting

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #13 from lbdkmjdf at sharklasers.com ---
Created attachment 82065
  --> https://bugs.freedesktop.org/attachment.cgi?id=82065=edit
X crashlog

I got hit by the same bug... Xorg crashes when closing glxgears (simply press X
and expect X to crash sometimes...). GPU is HD 6520g.

I built the driver in ubuntu (13.04, amd64, KDE/LXDE) this way (skip if you
don't care, I'm posting this to show you how I did it, to be sure it's done
correctly, and finally, for my own record...):

I took the instructions from the buildlog in the PPA:
https://launchpadlibrarian.net/141183209/buildlog_ubuntu-raring-amd64.xserver-xorg-video-ati_1%3A7.1.99%2Bgit20130531.bd2557ea-0ubuntu0sarvatt~raring_UPLOADING.txt.gz

mkdir temp && cd temp && apt-get source
xserver-xorg-video-ati=1:7.1.99+git20130531.bd2557ea-0ubuntu0sarvatt~raring
sudo apt-get -s build-dep xserver-xorg-video-ati
cd xserver-xorg-video-ati-7.1.99+git20130531.bd2557ea/
(edited src/radeon_dri2.c, patched manually)
/usr/bin/fakeroot debian/rules clean
debian/rules build-arch
/usr/bin/fakeroot debian/rules binary-arch

last message I got is:  "dpkg-deb: building package
`xserver-xorg-video-radeon-dbg' in
`../xserver-xorg-video-radeon-dbg_7.1.99+git20130531.bd2557ea-0ubuntu0sarvatt~raring_amd64.deb'."

so, I installed that package... and I got the crash showed in the logs, and
then the X server restarted.
This is the relevant part:

[  4161.932] (WW) Attempted to destroy previously destroyed buffer. This is a
programming error
[  4161.932] (WW) Attempted to destroy previously destroyed buffer. This is a
programming error
[  4165.699] (EE) 
[  4165.699] (EE) Backtrace:
[  4165.700] (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7fcd2ef63516]
[  4165.700] (EE) 1: /usr/bin/X (0x7fcd2edb3000+0x1b4359) [0x7fcd2ef67359]
[  4165.700] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0
(0x7fcd2deb6000+0xfbd0) [0x7fcd2dec5bd0]
[  4165.700] (EE) 3: /usr/lib/xorg/modules/drivers/radeon_drv.so
(0x7fcd2b521000+0x4017c) [0x7fcd2b56117c]
[  4165.700] (EE) 4: /usr/lib/xorg/modules/drivers/radeon_drv.so
(0x7fcd2b521000+0x40cb0) [0x7fcd2b561cb0]
[  4165.700] (EE) 5: /usr/bin/X (_CallCallbacks+0x34) [0x7fcd2ee105d4]
[  4165.700] (EE) 6: /usr/bin/X (CloseDownClient+0x54) [0x7fcd2ee0afb4]
[  4165.700] (EE) 7: /usr/bin/X (0x7fcd2edb3000+0x58b35) [0x7fcd2ee0bb35]
[  4165.700] (EE) 8: /usr/bin/X (0x7fcd2edb3000+0x475aa) [0x7fcd2edfa5aa]
[  4165.700] (EE) 9: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5)
[0x7fcd2cb02ea5]
[  4165.700] (EE) 10: /usr/bin/X (0x7fcd2edb3000+0x478f1) [0x7fcd2edfa8f1]
[  4165.700] (EE) 
[  4165.700] (EE) Segmentation fault at address 0x0
[  4165.700] 
Fatal server error:
[  4165.700] Caught signal 11 (Segmentation fault). Server aborting


I hope this helps.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #13 from lbdkm...@sharklasers.com ---
Created attachment 82065
  -- https://bugs.freedesktop.org/attachment.cgi?id=82065action=edit
X crashlog

I got hit by the same bug... Xorg crashes when closing glxgears (simply press X
and expect X to crash sometimes...). GPU is HD 6520g.

I built the driver in ubuntu (13.04, amd64, KDE/LXDE) this way (skip if you
don't care, I'm posting this to show you how I did it, to be sure it's done
correctly, and finally, for my own record...):

I took the instructions from the buildlog in the PPA:
https://launchpadlibrarian.net/141183209/buildlog_ubuntu-raring-amd64.xserver-xorg-video-ati_1%3A7.1.99%2Bgit20130531.bd2557ea-0ubuntu0sarvatt~raring_UPLOADING.txt.gz

mkdir temp  cd temp  apt-get source
xserver-xorg-video-ati=1:7.1.99+git20130531.bd2557ea-0ubuntu0sarvatt~raring
sudo apt-get -s build-dep xserver-xorg-video-ati
cd xserver-xorg-video-ati-7.1.99+git20130531.bd2557ea/
(edited src/radeon_dri2.c, patched manually)
/usr/bin/fakeroot debian/rules clean
debian/rules build-arch
/usr/bin/fakeroot debian/rules binary-arch

last message I got is:  dpkg-deb: building package
`xserver-xorg-video-radeon-dbg' in
`../xserver-xorg-video-radeon-dbg_7.1.99+git20130531.bd2557ea-0ubuntu0sarvatt~raring_amd64.deb'.

so, I installed that package... and I got the crash showed in the logs, and
then the X server restarted.
This is the relevant part:

[  4161.932] (WW) Attempted to destroy previously destroyed buffer. This is a
programming error
[  4161.932] (WW) Attempted to destroy previously destroyed buffer. This is a
programming error
[  4165.699] (EE) 
[  4165.699] (EE) Backtrace:
[  4165.700] (EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7fcd2ef63516]
[  4165.700] (EE) 1: /usr/bin/X (0x7fcd2edb3000+0x1b4359) [0x7fcd2ef67359]
[  4165.700] (EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0
(0x7fcd2deb6000+0xfbd0) [0x7fcd2dec5bd0]
[  4165.700] (EE) 3: /usr/lib/xorg/modules/drivers/radeon_drv.so
(0x7fcd2b521000+0x4017c) [0x7fcd2b56117c]
[  4165.700] (EE) 4: /usr/lib/xorg/modules/drivers/radeon_drv.so
(0x7fcd2b521000+0x40cb0) [0x7fcd2b561cb0]
[  4165.700] (EE) 5: /usr/bin/X (_CallCallbacks+0x34) [0x7fcd2ee105d4]
[  4165.700] (EE) 6: /usr/bin/X (CloseDownClient+0x54) [0x7fcd2ee0afb4]
[  4165.700] (EE) 7: /usr/bin/X (0x7fcd2edb3000+0x58b35) [0x7fcd2ee0bb35]
[  4165.700] (EE) 8: /usr/bin/X (0x7fcd2edb3000+0x475aa) [0x7fcd2edfa5aa]
[  4165.700] (EE) 9: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5)
[0x7fcd2cb02ea5]
[  4165.700] (EE) 10: /usr/bin/X (0x7fcd2edb3000+0x478f1) [0x7fcd2edfa8f1]
[  4165.700] (EE) 
[  4165.700] (EE) Segmentation fault at address 0x0
[  4165.700] 
Fatal server error:
[  4165.700] Caught signal 11 (Segmentation fault). Server aborting


I hope this helps.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #14 from lbdkm...@sharklasers.com ---
so I forgot to install the -dbg packages, but... X server will not crash with
these, so it won't help anyway :/ (and I tried to make it crash a lot of times
after installing the -dbg packages). from what I've read, this is a common bug
in C/C++ programming... 

here's another backtrace:

reporting 8 3 8 60
(EE) 
(EE) Backtrace:
(EE) 0: /usr/bin/X (xorg_backtrace+0x36) [0x7fb36816e516]
(EE) 1: /usr/bin/X (0x7fb367fbe000+0x1b4359) [0x7fb368172359]
(EE) 2: /lib/x86_64-linux-gnu/libpthread.so.0 (0x7fb3670c1000+0xfbd0)
[0x7fb3670d0bd0]
(EE) 3: /usr/lib/xorg/modules/drivers/radeon_drv.so (0x7fb36472c000+0x426f2)
[0x7fb36476e6f2]
(EE) 4: /usr/bin/X (BlockHandler+0x44) [0x7fb36801abc4]
(EE) 5: /usr/bin/X (WaitForSomething+0x114) [0x7fb36816b894]
(EE) 6: /usr/bin/X (0x7fb367fbe000+0x58841) [0x7fb368016841]
(EE) 7: /usr/bin/X (0x7fb367fbe000+0x475aa) [0x7fb3680055aa]
(EE) 8: /lib/x86_64-linux-gnu/libc.so.6 (__libc_start_main+0xf5)
[0x7fb365d0dea5]
(EE) 9: /usr/bin/X (0x7fb367fbe000+0x478f1) [0x7fb3680058f1]
(EE) 
(EE) Segmentation fault at address 0x0

Fatal server error:
Caught signal 11 (Segmentation fault). Server aborting

(EE) 
Please consult the The X.Org Foundation support 
 at http://wiki.x.org
 for help. 
(EE) Please also check the log file at /var/log/Xorg.0.log for additional
information.
(EE) 
Server terminated with error (1). Closing log file.
Sessions still open, not unmounting

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #15 from Alex Deucher ag...@yahoo.com ---
Does the patch in comment 6 help?

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #16 from lbdkm...@sharklasers.com ---
(In reply to comment #15)
 Does the patch in comment 6 help?

yes, the patch helped a bit... it made it hard to crash xserver, but it crashes
twice after applying it. although, I'm not sure it's just one bug

I got a core dump. here's a backtrace from gdb: http://pastebin.com/T3Vih0ND .
does it make sense?

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #17 from lbdkm...@sharklasers.com ---
sorry, I meant but it crashed twice in the previous post.
Yet another backtrace:  http://pastebin.com/aVq5Uhyf

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[Bug 60182] X.Org Server terminate when I close video player

[bugzilla-dae...@freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #12 from runetmember at gmail.com ---
Created attachment 74464
  --> https://bugs.freedesktop.org/attachment.cgi?id=74464=edit
x-0.log LightDM log after crash

LightDM logs in right-after-crash state attached.

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--- Comment #11 from runetmember at gmail.com ---
Created attachment 74462
  --> https://bugs.freedesktop.org/attachment.cgi?id=74462=edit
lightdm.log after crash

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--- Comment #11 from runetmem...@gmail.com ---
Created attachment 74462
  -- https://bugs.freedesktop.org/attachment.cgi?id=74462action=edit
lightdm.log after crash

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #12 from runetmem...@gmail.com ---
Created attachment 74464
  -- https://bugs.freedesktop.org/attachment.cgi?id=74464action=edit
x-0.log LightDM log after crash

LightDM logs in right-after-crash state attached.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #10 from runetmember at gmail.com ---
> So I would like you to test if the patch that I posted fixes the problem for 
> you. 
Unfortunately, I am not developer, I can't check this patch.

> Any additional logs that you can produce in the meantime would be useful.
Ok.

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--- Comment #9 from Ilija Hadzic  ---
(In reply to comment #8)
> So since you find root case, LightDM log is not necessary now, I am correct?

No, I didn't find the root cause. I am only assuming (based on the last message
in your Xorg.0.log file) that you are seeing the same kind of a crash that I
have been seeing recently.

So I would like you to test if the patch that I posted fixes the problem for
you. If it does, then there are two open issues that remain: a) should we push
my patch upstream (i.e. to at least prevent the crash of affected users like
you) and b) what really causes the double-free. The latter is what we have no
idea about yet.

Any additional logs that you can produce in the meantime would be useful.

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--- Comment #8 from runetmember at gmail.com ---
So since you find root case, LightDM log is not necessary now, I am correct?

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--- Comment #7 from Ilija Hadzic  ---
I have just posted a patch that may help at least prevent the crash. I have
seen this bug on my end too, but I though that I locally introduced it with my
own hacks. The patch does not solve the root cause (i.e. buffer double-free),
but if it prevents the crash, maybe we can apply it to get people going until
we find the real solution.

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--- Comment #6 from Ilija Hadzic  ---
Created attachment 74183
  --> https://bugs.freedesktop.org/attachment.cgi?id=74183=edit
Possible "Band-Aid" to get you going.

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--- Comment #5 from runetmember at gmail.com ---
> Is there more information in the kdm log file?
I use LightDM-KDE. I'll look into LightDM log next time.

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--- Comment #4 from Michel D?nzer  ---
The attached log ends abruptly. Is there more information in the kdm log file?

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--- Comment #4 from Michel Dänzer mic...@daenzer.net ---
The attached log ends abruptly. Is there more information in the kdm log file?

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #5 from runetmem...@gmail.com ---
 Is there more information in the kdm log file?
I use LightDM-KDE. I'll look into LightDM log next time.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #6 from Ilija Hadzic ihad...@research.bell-labs.com ---
Created attachment 74183
  -- https://bugs.freedesktop.org/attachment.cgi?id=74183action=edit
Possible Band-Aid to get you going.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #7 from Ilija Hadzic ihad...@research.bell-labs.com ---
I have just posted a patch that may help at least prevent the crash. I have
seen this bug on my end too, but I though that I locally introduced it with my
own hacks. The patch does not solve the root cause (i.e. buffer double-free),
but if it prevents the crash, maybe we can apply it to get people going until
we find the real solution.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #8 from runetmem...@gmail.com ---
So since you find root case, LightDM log is not necessary now, I am correct?

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #9 from Ilija Hadzic ihad...@research.bell-labs.com ---
(In reply to comment #8)
 So since you find root case, LightDM log is not necessary now, I am correct?

No, I didn't find the root cause. I am only assuming (based on the last message
in your Xorg.0.log file) that you are seeing the same kind of a crash that I
have been seeing recently.

So I would like you to test if the patch that I posted fixes the problem for
you. If it does, then there are two open issues that remain: a) should we push
my patch upstream (i.e. to at least prevent the crash of affected users like
you) and b) what really causes the double-free. The latter is what we have no
idea about yet.

Any additional logs that you can produce in the meantime would be useful.

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #3 from runetmember at gmail.com ---
Also a little bit info, just in case:
Exact GPU model: 1002:6741 Advanced Micro Devices [AMD] nee ATI BeaverCreek
[Mobility Radeon HD 6620G]
VLC version: 2.0.5.

If I need to provide any additional information, please let me know.

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--- Comment #2 from runetmember at gmail.com ---
Created attachment 74079
  --> https://bugs.freedesktop.org/attachment.cgi?id=74079=edit
dmesg

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--- Comment #1 from runetmember at gmail.com ---
Created attachment 74078
  --> https://bugs.freedesktop.org/attachment.cgi?id=74078=edit
Log of terminated X.Org Server

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--- Comment #1 from runetmem...@gmail.com ---
Created attachment 74078
  -- https://bugs.freedesktop.org/attachment.cgi?id=74078action=edit
Log of terminated X.Org Server

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[Bug 60182] X.Org Server terminate when I close video player

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https://bugs.freedesktop.org/show_bug.cgi?id=60182

--- Comment #3 from runetmem...@gmail.com ---
Also a little bit info, just in case:
Exact GPU model: 1002:6741 Advanced Micro Devices [AMD] nee ATI BeaverCreek
[Mobility Radeon HD 6620G]
VLC version: 2.0.5.

If I need to provide any additional information, please let me know.

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