Bug#632791: Backtrace
I have same issue with gnome 3, maybe this bug is related https://launchpad.net/bugs/774978.
#0 0x00007f3cd2bed788 in RecordAReply (pcbl=0x7ecd40, nulldata=0x0, calldata=0x7fff27b8f020) at ../../record/record.c:613
#1 0x000000000043c1f4 in _CallCallbacks (pcbl=0x7ecd40, call_data=0x7fff27b8f020) at ../../dix/dixutils.c:745
#2 0x000000000056bd4a in CallCallbacks (call_data=0x7fff27b8f020, pcbl=0x7ecd40) at ../../include/callback.h:86
#3 WriteToClient (who=0xc9c7b0, count=32, __buf=0x7fff27b8f090) at ../../os/io.c:833
#4 0x00007f3cd25d30a2 in ProcDRI2WaitMSCReply (client=<optimized out>, ust=<optimized out>, msc=<optimized out>, sbc=<optimized out>) at ../../../../hw/xfree86/dri2/dri2ext.c:495
#5 0x00007f3cd25d17d3 in DRI2WaitMSCComplete (client=0xc9c7b0, pDraw=<optimized out>, frame=34151, tv_sec=<optimized out>, tv_usec=108779) at ../../../../hw/xfree86/dri2/dri2.c:688
#6 0x00007f3cd23a4474 in I830DRI2FrameEventHandler (frame=34151, tv_sec=1317575081, tv_usec=108779, swap_info=0xea53a0) at ../../src/intel_dri.c:965
#7 0x00007f3cd27dc9eb in drmHandleEvent (fd=9, evctx=0x836918) at ../xf86drmMode.c:781
#8 0x000000000043b9fb in WakeupHandler (result=2, pReadmask=0x7ecaa0) at ../../dix/dixutils.c:421
#9 0x0000000000565e26 in WaitForSomething (pClientsReady=0xddd720) at ../../os/WaitFor.c:235
#10 0x0000000000437872 in Dispatch () at ../../dix/dispatch.c:368
#11 0x0000000000426eaa in main (argc=6, argv=<optimized out>, envp=<optimized out>) at ../../dix/main.c:287
#0 0x00007f3cd2bed788 in RecordAReply (pcbl=0x7ecd40, nulldata=0x0, calldata=0x7fff27b8f020) at ../../record/record.c:613
pContext = <optimized out>
pRCAP = 0x7fff27b8f020
eci = <optimized out>
majorop = <optimized out>
pri = 0x7fff27b8f020
client = 0xc9c7b0
stuff = 0x7f3ccef1f010
__PRETTY_FUNCTION__ = "RecordAReply"
#1 0x000000000043c1f4 in _CallCallbacks (pcbl=0x7ecd40, call_data=0x7fff27b8f020) at ../../dix/dixutils.c:745
cbl = 0xcbaf30
cbr = 0xcbb040
pcbr = <optimized out>
#2 0x000000000056bd4a in CallCallbacks (call_data=0x7fff27b8f020, pcbl=0x7ecd40) at ../../include/callback.h:86
No locals.
#3 WriteToClient (who=0xc9c7b0, count=32, __buf=0x7fff27b8f090) at ../../os/io.c:833
replylen = 0
bytesleft = <optimized out>
n = <optimized out>
replyinfo = {client = 0xc9c7b0, replyData = 0x7fff27b8f090, dataLenBytes = 32, bytesRemaining = 0, startOfReply = 1}
oc = 0xc9cb80
oco = 0xca6f20
padBytes = 0
buf = 0x7fff27b8f090 "\001\377\321#"
#4 0x00007f3cd25d30a2 in ProcDRI2WaitMSCReply (client=<optimized out>, ust=<optimized out>, msc=<optimized out>, sbc=<optimized out>) at ../../../../hw/xfree86/dri2/dri2ext.c:495
rep = {type = 1 '\001', pad1 = 255 '\377', sequenceNumber = 9169, length = 0, ust_hi = 306771, ust_lo = 3668747563, msc_hi = 0, msc_lo = 34151, sbc_hi = 0, sbc_lo = 43}
#5 0x00007f3cd25d17d3 in DRI2WaitMSCComplete (client=0xc9c7b0, pDraw=<optimized out>, frame=34151, tv_sec=<optimized out>, tv_usec=108779) at ../../../../hw/xfree86/dri2/dri2.c:688
pPriv = 0xca28a0
#6 0x00007f3cd23a4474 in I830DRI2FrameEventHandler (frame=34151, tv_sec=1317575081, tv_usec=108779, swap_info=0xea53a0) at ../../src/intel_dri.c:965
intel = 0x82a530
drawable = 0xe153e0
status = <optimized out>
__func__ = "I830DRI2FrameEventHandler"
#7 0x00007f3cd27dc9eb in drmHandleEvent (fd=9, evctx=0x836918) at ../xf86drmMode.c:781
buffer = "\001\000\000\000 \000\000\000\240S\352\000\000\000\000\000\251\231\210N\353\250\001\000g\205\000\000\000\000\000\000\t\000\000\000\000\000\000\000\260\370A\325<\177\000\000@w\355", '\000' <repeats 13 times>"\376, \377\377\377\000\000\000\000$\363\270'\377\177\000\000\060\000\000\000\000\000\000\000\270\356o\324<\177\000\000\310\356o\324<\177\000\000L\001\000\000\023\000\000\000 \000\000\000\000\000\000\000\270\356o\324\003\000\000\000`", '\000' <repeats 11 times>, "\003\000\000\000 \000\000\000\000\000\000\000\240v\355\000\000\000\000\000\240\177\v\000\000\000\000\000`\000\364\000\000\000\000\000 \000\000\000\000\000\000\000`\356o\324<\177\000\000`\356o\324<\177\000\000\002Z?\324<\177\000\000\020\002\000\000\000\000\000\000\240v\355\000\000\000\000\000\377\377\377\377\000\000\000\000\320\356\360\000\000\000\000\000 \000\000\000\000\000\000\000p\364\270'\377"...
len = 32
i = <optimized out>
e = 0x7fff27b8f150
vblank = 0x7fff27b8f150
#8 0x000000000043b9fb in WakeupHandler (result=2, pReadmask=0x7ecaa0) at ../../dix/dixutils.c:421
i = <optimized out>
j = <optimized out>
#9 0x0000000000565e26 in WaitForSomething (pClientsReady=0xddd720) at ../../os/WaitFor.c:235
i = <optimized out>
waittime = {tv_sec = 9, tv_usec = 592995}
wt = 0x7fff27b8f7c0
timeout = <optimized out>
clientsReadable = {fds_bits = {0 <repeats 16 times>}}
clientsWritable = {fds_bits = {0, 18, 15957840, 5670107, 11912688, 8273456, 15957840, 68723917300, 15957860, 15562400, 18, 17850, 1, 4294967329152, 1000, 0}}
selecterr = 0
nready = 0
devicesReadable = {fds_bits = {0, 0, 0, 0, 0, 0, 0, 0, 11913248, 5701260, 13348656, 5683013, 140733859821424, 32, 0, 0}}
now = <optimized out>
someReady = <optimized out>
#10 0x0000000000437872 in Dispatch () at ../../dix/dispatch.c:368
clientReady = 0xddd720
result = <optimized out>
client = <optimized out>
nready = <optimized out>
icheck = 0x7eadd0
start_tick = <optimized out>
#11 0x0000000000426eaa in main (argc=6, argv=<optimized out>, envp=<optimized out>) at ../../dix/main.c:287
i = <optimized out>
alwaysCheckForInput = {0, 1}
Reply to: