Edited stack trace of core dump

core.X-2-switch.eddbg (text/plain), 4.87 KB, created by Robert Bradbury on 2010-08-14 11:13:04 UTC

GNU gdb (Gentoo 7.1 p1) 7.1
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Reading symbols from /usr/bin/Xorg...done.

Core was generated by `/usr/bin/X -nolisten tcp -br :2 vt10 -auth /etc/X11/xdm/authdir/authfiles/A:2-E'.
Program terminated with signal 11, Segmentation fault.
#0  0x080c7a2e in xf86RandR12EnterVT (screen_index=0, flags=0) at xf86RandR12.c:1755
1755	{
(gdb) thread apply all bt

Thread 1 (Thread 413):
#0  0x080c7a2e in xf86RandR12EnterVT (screen_index=0, flags=0) at xf86RandR12.c:1755
#1  0x080c7a72 in xf86RandR12EnterVT (screen_index=0, flags=0) at xf86RandR12.c:1760

... DELETED MANY IDENTICAL CALLS HERE ...

#174598 0x080c7a72 in xf86RandR12EnterVT (screen_index=0, flags=0) at xf86RandR12.c:1760
#174599 0x080c7a72 in xf86RandR12EnterVT (screen_index=0, flags=0) at xf86RandR12.c:1760
#174600 0x080c7a72 in xf86RandR12EnterVT (screen_index=0, flags=0) at xf86RandR12.c:1760

#174601 0x08167682 in xf86XVEnterVT (index=0, flags=0) at xf86xv.c:1232
#174602 0xb730db5c in glxDRIEnterVT (index=0, flags=0) at glxdri2.c:592
#174603 0x080ad141 in xf86VTSwitch (blockData=0x0, err=-1, pReadmask=0x81e3c80) at xf86Events.c:533
#174604 xf86Wakeup (blockData=0x0, err=-1, pReadmask=0x81e3c80) at xf86Events.c:284
#174605 0x08075220 in WakeupHandler (result=-1, pReadmask=0x81e3c80) at dixutils.c:403
#174606 0x0809d6d3 in WaitForSomething (pClientsReady=0x82f0cf0) at WaitFor.c:232
#174607 0x0806fd47 in Dispatch () at dispatch.c:375
#174608 0x080656ea in main (argc=8, argv=0xbf8da704, envp=0xbf8da728) at main.c:286
(gdb) info registers
eax            0x80c7a25	135035429
ecx            0x8288d98	136875416
edx            0x0	0
ebx            0x81ceff4	136114164
esp            0xbf8da180	0xbf8da180
ebp            0xbf8da1a8	0xbf8da1a8
esi            0x0	0
edi            0x8288c48	136875080
eip            0x80c7a72	0x80c7a72 <xf86RandR12EnterVT+77>
eflags         0x13286	[ PF SF IF #12 #13 RF ]
cs             0x73	115
ss             0x7b	123
ds             0x7b	123
es             0x7b	123
fs             0x0	0
gs             0x33	51
(gdb) up 174600
#174600 0x080c7a72 in xf86RandR12EnterVT (screen_index=0, flags=0) at xf86RandR12.c:1760
1760		if (!randrp->orig_EnterVT (screen_index, flags))
(gdb) info locals
pScreen = 0x8288c48
(gdb) up
#174601 0x08167682 in xf86XVEnterVT (index=0, flags=0) at xf86xv.c:1232
1232	    ret = (*ScreenPriv->EnterVT)(index, flags);
(gdb) info locals
pScreen = 0x8288c48
ret = <value optimized out>
(gdb) up
#174602 0xb730db5c in glxDRIEnterVT (index=0, flags=0) at glxdri2.c:592
592	    if (!(*screen->enterVT) (index, flags))
(gdb) info locals
No locals.
(gdb) up
#174603 0x080ad141 in xf86VTSwitch (blockData=0x0, err=-1, pReadmask=0x81e3c80) at xf86Events.c:533
533	      if (!xf86Screens[i]->EnterVT(i, 0))
(gdb) info locals
i = 0
prevSIGIO = <value optimized out>
pInfo = <value optimized out>
ih = <value optimized out>
(gdb) up
#174604 xf86Wakeup (blockData=0x0, err=-1, pReadmask=0x81e3c80) at xf86Events.c:284
284	    if (xf86VTSwitchPending()) xf86VTSwitch();
(gdb) info locals
devicesWithInput = {fds_bits = {0, 0, 0, 0, 0, -1219100092, 0, 136114164, -1081236792, 32, -1081236840, 134898253, 1, -1081236864, 0, 0, 121503, 899921927, 0, 0, 0, 136114164, -1081236776, 
    135572457, 137289720, 2, -1081236776, 135207992, 0, -1081236792, 0, 0}}
pInfo = <value optimized out>
(gdb) up
#174605 0x08075220 in WakeupHandler (result=-1, pReadmask=0x81e3c80) at dixutils.c:403
403		(*handlers[i].WakeupHandler) (handlers[i].blockData,
(gdb) info locals
i = 0
(gdb) up
#174606 0x0809d6d3 in WaitForSomething (pClientsReady=0x82f0cf0) at WaitFor.c:232
232		WakeupHandler(i, (pointer)&LastSelectMask);
(gdb) info locals
i = -1
waittime = {tv_sec = 137130696, tv_usec = 32}
wt = 0x0
timeout = <value optimized out>
clientsReadable = {fds_bits = {0 <repeats 32 times>}}
clientsWritable = {fds_bits = {137130352, -1081236344, 134910050, 24, -1081236232, 1, 134698292, 16, 136114164, -1081236312, 134908107, 137130352, -1081236232, 1, 134879335, 139895016, 
    -1081236148, -1081236184, 134877417, 137130352, -1081236232, 1, 4096, 137074320, -1218293949, -1218293886, 24, -1081236232, 136171472, 0, -1221224824, 137130352}}
selecterr = <value optimized out>
nready = 0
devicesReadable = {fds_bits = {0 <repeats 23 times>, -1081236376, 1, -1081236232, -1219642911, 0, 0, -1081236232, 136114164, 32}}
now = <value optimized out>
someReady = 0
(gdb) up
#174607 0x0806fd47 in Dispatch () at dispatch.c:375
375		nready = WaitForSomething(clientReady);
(gdb) info locals
result = <value optimized out>
client = 0x82c7350
nready = -1
start_tick = 2840
(gdb) quit