Bug 811741

Created attachment 576882 [details]
X log

00:02.0 VGA compatible controller: Intel Corporation Core Processor Integrated Graphics Controller (rev 02)

Nothing from drm/kms in dmesg.

A real backtrace:

Program received signal SIGSEGV, Segmentation fault.
0x00007f20de4eee84 in __glXDRIinvalidateBuffers (pDraw=0x4838a50, 
    priv=0x4a54450, id=33554437) at glxdri2.c:432
432	    if (screen->flush)
(gdb) print screen
$1 = (__GLXDRIscreen *) 0xf5f5f5f5f5f5f5f5
(gdb) bt
#0  0x00007f20de4eee84 in __glXDRIinvalidateBuffers (pDraw=0x4838a50, 
    priv=0x4a54450, id=33554437) at glxdri2.c:432
#1  0x00007f20ddc63bcc in DRI2InvalidateDrawable
(pDraw=pDraw@entry=0x4838a50)
    at dri2.c:590
#2  0x00007f20ddc63c28 in DRI2InvalidateWalk (pWin=0x4838a50,
data=0x4484f50)
    at dri2.c:842
#3  0x000000000045bf99 in TraverseTree (pWin=pWin@entry=0x44867d0, 
    func=func@entry=0x7f20ddc63be0 <DRI2InvalidateWalk>, 
    data=data@entry=0x4484f50) at window.c:326
#4  0x00007f20ddc64caa in DRI2SwapBuffers (client=client@entry=0x455d730, 
    pDraw=<optimized out>, target_msc=0, divisor=0, remainder=<optimized
out>, 
    swap_target=swap_target@entry=0x7fff5cd5b3b8, 
    func=func@entry=0x7f20ddc65700 <DRI2SwapEvent>, data=0x47f7f50)
    at dri2.c:960
#5  0x00007f20ddc65f42 in ProcDRI2SwapBuffers (client=0x455d730)
    at dri2ext.c:403
#6  ProcDRI2Dispatch (client=0x455d730) at dri2ext.c:569
#7  0x000000000043439a in Dispatch () at dispatch.c:439
#8  0x00000000004233e5 in main (argc=10, argv=0x7fff5cd5b5b8, 
    envp=<optimized out>) at main.c:287
(gdb)

0xf5f5f5f5 is MALLOC_CHECK/MALLOC_PERTURB_ bits, IIRC.

Trigger *appears* to be dropdowns from the shell top bar disappearing, among other things.

*** Bug 812120 has been marked as a duplicate of this bug. ***

Still happens with:

mesa-libGL-8.0.3-3.fc17.x86_64
xorg-x11-server-Xorg-1.12.2-4.fc17.x86_64
xorg-x11-drv-intel-2.19.0-5.fc17.x86_64
kernel-3.4.4-3.fc17.x86_64

It looks like the same bug is affecting me as well, I think it happened when I was trying to call up the Empathy main window. Package versions:

mesa-libGL-8.0.3-3.fc17.x86_64
xorg-x11-server-Xorg-1.12.3-1.fc17.x86_64
xorg-x11-drv-intel-2.20.1-1.fc17.x86_64
kernel-3.5.2-3.fc17.x86_64

From the coredump:

(gdb) l
421	{
422	#if __DRI2_FLUSH_VERSION >= 3
423	    __GLXDRIdrawable *private = priv;
424	    __GLXDRIscreen *screen = private->screen;
425	
426	    if (screen->flush)
427	        (*screen->flush->invalidate) (private->driDrawable);
428	#endif
429	}
430	
(gdb) p screen
$1 = (__GLXDRIscreen *) 0x0
(gdb) bt
#0  0x0000003321035925 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00000033210370d8 in __GI_abort () at abort.c:91
#2  0x000000000046c86e in OsAbort () at utils.c:1207
#3  0x0000000000482d6c in ddxGiveUp (error=EXIT_ERR_ABORT) at xf86Init.c:1009
#4  0x0000000000468ef2 in AbortServer () at log.c:476
#5  0x00000000004690f5 in FatalError (f=f@entry=0x572db8 "Caught signal %d (%s). Server aborting\n") at log.c:611
#6  0x000000000046a2de in OsSigHandler (sip=<optimized out>, signo=11, unused=<optimized out>) at osinit.c:146
#7  OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at osinit.c:107
#8  <signal handler called>
#9  0x00007f5d704d3e84 in __glXDRIinvalidateBuffers (pDraw=0x454e180, priv=0x40fc930, id=52428805) at glxdri2.c:426
#10 0x00007f5d6fe77bcc in DRI2InvalidateDrawable (pDraw=pDraw@entry=0x454e180) at dri2.c:598
#11 0x00007f5d6fe77c28 in DRI2InvalidateWalk (pWin=0x454e180, data=0x3c57110) at dri2.c:844
#12 0x000000000045c459 in TraverseTree (pWin=pWin@entry=0x3c70ac0, func=func@entry=0x7f5d6fe77be0 <DRI2InvalidateWalk>, data=data@entry=0x3c57110)
    at window.c:315
#13 0x00007f5d6fe78caa in DRI2SwapBuffers (client=client@entry=0x20d1950, pDraw=<optimized out>, target_msc=0, divisor=0, remainder=<optimized out>, 
    swap_target=swap_target@entry=0x7fff812f2288, func=func@entry=0x7f5d6fe79700 <DRI2SwapEvent>, data=0x3fc6910) at dri2.c:964
#14 0x00007f5d6fe79f42 in ProcDRI2SwapBuffers (client=0x20d1950) at dri2ext.c:400
#15 ProcDRI2Dispatch (client=0x20d1950) at dri2ext.c:566
#16 0x000000000043444a in Dispatch () at dispatch.c:428
#17 0x0000000000423485 in main (argc=13, argv=0x7fff812f2488, envp=<optimized out>) at main.c:288

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