On 19.06.2013 16:14, Roberto Ragusa wrote:
pstack on the process (better if you previously install the debuginfo rpm for the X server)
pstack with debuginfo for XServer as well as nouveau package:
#0 0x0000003a5bc0de4d in __lll_lock_wait () from /lib64/libpthread.so.0 #1 0x0000003a5bc09cc1 in _L_lock_885 () from /lib64/libpthread.so.0 #2 0x0000003a5bc09bda in pthread_mutex_lock () from /lib64/libpthread.so.0 #3 0x0000003a6a2a86c0 in ?? () from /lib64/libGL.so.1 #4 0x0000003a6a2acea0 in ?? () from /lib64/libGL.so.1 #5 0x0000003a6a2ad3ca in ?? () from /lib64/libGL.so.1 #6 0x0000003a67401bf7 in ?? () from /lib64/tls/libnvidia-tls.so.310.32 #7 0x00007f430a4ca96f in mtdev_fetch_event () from /lib64/libmtdev.so.1 #8 0x00007f430a4caa8d in mtdev_get () from /lib64/libmtdev.so.1 #9 0x00007f430a6d3e06 in EvdevReadInput () from /usr/lib64/xorg/modules/input/evdev_drv.so #10 0x0000000000489db7 in xf86SigioReadInput (fd=<optimized out>, closure=0x29ba480) at xf86Events.c:299 #11 0x00000000004b3528 in xf86SIGIO (sig=<optimized out>) at ../shared/sigio.c:110 #12 <signal handler called> #13 0x0000003a5bc09bd4 in pthread_mutex_lock () from /lib64/libpthread.so.0 #14 0x0000003a6a2a86c0 in ?? () from /lib64/libGL.so.1 #15 0x0000003a6a2acea0 in ?? () from /lib64/libGL.so.1 #16 0x0000003a6a2ad386 in ?? () from /lib64/libGL.so.1 #17 0x0000003a67401bf7 in ?? () from /lib64/tls/libnvidia-tls.so.310.32 #18 0x0000000000478f06 in read (__nbytes=4096, __buf=0x2f19e50, __fd=<optimized out>) at /usr/include/bits/unistd.h:44 #19 _XSERVTransSocketRead (ciptr=0x3648870, buf=0x2f19e50 "\024", size=4096) at /usr/include/X11/Xtrans/Xtranssock.c:2116 #20 0x000000000046f2a6 in ReadRequestFromClient (client=client@entry=0x2f0ccd0) at io.c:332 #21 0x0000000000439666 in Dispatch () at dispatch.c:399 #22 0x00000000004282da in main (argc=9, argv=0x7fff882da638, envp=<optimized out>) at main.c:298
anyway, I'm close to suspect temperature problems on the graphics card, however lmsensors does not give me a reading on my card (NVIDIA Corporation G94 [Quadro FX 1800] (rev a1)):
$ sensors nouveau-pci-0100 Adapter: PCI adapter temp1: +0.0°C (high = +95.0°C, hyst = +3.0°C) (crit = +105.0°C, hyst = +5.0°C) (emerg = +135.0°C, hyst = +5.0°C)