.
Thread 7 (Thread 0x7f9becd5d700 (LWP 1625)):
#0  0x00007f9bf392bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f9befa7e9d3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
No symbol table info available.
#2  0x00007f9bf3927e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007f9bf266239d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 6 (Thread 0x7f9bec55c700 (LWP 1626)):
#0  0x00007f9bf392bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f9befa7e9d3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
No symbol table info available.
#2  0x00007f9bf3927e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007f9bf266239d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 5 (Thread 0x7f9bebd5b700 (LWP 1627)):
#0  0x00007f9bf392bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f9befa7e9d3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
No symbol table info available.
#2  0x00007f9bf3927e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007f9bf266239d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 4 (Thread 0x7f9bedd5f700 (LWP 1623)):
#0  0x00007f9bf392bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f9befa7e9d3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
No symbol table info available.
#2  0x00007f9bf3927e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007f9bf266239d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 3 (Thread 0x7f9beb55a700 (LWP 1628)):
#0  0x00007f9bf392bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f9befa7e9d3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
No symbol table info available.
#2  0x00007f9bf3927e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007f9bf266239d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 2 (Thread 0x7f9bed55e700 (LWP 1624)):
#0  0x00007f9bf392bd84 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#1  0x00007f9befa7e9d3 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so
No symbol table info available.
#2  0x00007f9bf3927e9a in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0
No symbol table info available.
#3  0x00007f9bf266239d in clone () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#4  0x0000000000000000 in ?? ()
No symbol table info available.
.
Thread 1 (Thread 0x7f9bf4608880 (LWP 1416)):
#0  0x00007f9bf25a6405 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f9bf25a9b6b in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f9bf47beb9e in OsAbort ()
No symbol table info available.
#3  0x00007f9bf46a5d7c in ddxGiveUp ()
No symbol table info available.
#4  0x00007f9bf47c3b52 in ?? ()
No symbol table info available.
#5  0x00007f9bf47c43ed in FatalError ()
No symbol table info available.
#6  0x00007f9bf47bc94e in ?? ()
No symbol table info available.
#7  <signal handler called>
No symbol table info available.
#8  0x00007f9bf13f0291 in ?? () from /usr/lib/xorg/modules/drivers/nouveau_drv.so
No symbol table info available.
#9  0x00007f9bf03622e1 in ?? () from /usr/lib/xorg/modules/libshadowfb.so
No symbol table info available.
#10 0x00007f9bf479ab10 in miPaintWindow ()
No symbol table info available.
#11 0x00007f9bf479ac58 in miWindowExposures ()
No symbol table info available.
#12 0x00007f9bf47b0fd8 in miHandleValidateExposures ()
No symbol table info available.
#13 0x00007f9bf46916ff in MapWindow ()
No symbol table info available.
#14 0x00007f9bf4660290 in ?? ()
No symbol table info available.
#15 0x00007f9bf4665a51 in ?? ()
No symbol table info available.
#16 0x00007f9bf465456a in ?? ()
No symbol table info available.
#17 0x00007f9bf259176d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#18 0x00007f9bf46548ad in _start ()
No symbol table info available.