. Thread 3 (Thread 0x7f5dc2e7f700 (LWP 837)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007f5dc679e703 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so No symbol table info available. #2 0x00007f5dc679df67 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so No symbol table info available. #3 0x00007f5dcef4a0a5 in start_thread (arg=0x7f5dc2e7f700) at pthread_create.c:309 __res = pd = 0x7f5dc2e7f700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140040678668032, 7672678295504881595, 0, 0, 140040678668736, 140040678668032, -7727805816099895365, -7727814485331605573}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #4 0x00007f5dcf25a57d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 No locals. . Thread 2 (Thread 0x7f5dc3680700 (LWP 836)): #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 No locals. #1 0x00007f5dc679e703 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so No symbol table info available. #2 0x00007f5dc679df67 in ?? () from /usr/lib/x86_64-linux-gnu/dri/swrast_dri.so No symbol table info available. #3 0x00007f5dcef4a0a5 in start_thread (arg=0x7f5dc3680700) at pthread_create.c:309 __res = pd = 0x7f5dc3680700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140040687060736, 7672678295504881595, 0, 0, 140040687061440, 140040687060736, -7727804716051396677, -7727814485331605573}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = pagesize_m1 = sp = freesize = __PRETTY_FUNCTION__ = "start_thread" #4 0x00007f5dcf25a57d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 No locals. . Thread 1 (Thread 0x7f5dd145f9c0 (LWP 779)): #0 0x00007f5dcf196e37 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56 resultvar = 0 pid = 779 selftid = 779 #1 0x00007f5dcf198528 in __GI_abort () at abort.c:89 save_stage = 2 act = {__sigaction_handler = {sa_handler = 0x7ffedf5eaf96, sa_sigaction = 0x7ffedf5eaf96}, sa_mask = {__val = {140040884570460, 140040921766686, 385, 4294967295, 140040883213891, 0, 140732645938848, 85899345920, 140040932632536, 140732645938960, 0, 0, 0, 21474836480, 140040919875584, 140040884585608}}, sa_flags = -781886627, sa_restorer = 0x7f5dd1655f60} sigs = {__val = {32, 0 }} #2 0x00007f5dcf18fce6 in __assert_fail_base (fmt=0x7f5dcf2e0488 "%s%s%s:%u: %s%sAssertion `%s' failed.\n%n", assertion=assertion@entry=0x7f5dd1655b5d "!global_keys[type].created", file=file@entry=0x7f5dd1655b1e "../../dix/privates.c", line=line@entry=385, function=function@entry=0x7f5dd1655f60 "dixRegisterPrivateKey") at assert.c:92 str = 0x7f5dd2162060 "" total = 4096 #3 0x00007f5dcf18fd92 in __GI___assert_fail (assertion=0x7f5dd1655b5d "!global_keys[type].created", file=0x7f5dd1655b1e "../../dix/privates.c", line=385, function=0x7f5dd1655f60 "dixRegisterPrivateKey") at assert.c:101 No locals. #4 0x00007f5dd1503d4c in dixRegisterPrivateKey () No symbol table info available. #5 0x00007f5dc1bdc9a6 in glamor_init () from /usr/lib/xorg/modules/libglamoregl.so No symbol table info available. #6 0x00007f5dcb48c48b in ?? () from /usr/lib/xorg/modules/drivers/modesetting_drv.so No symbol table info available. #7 0x00007f5dd14e75ea in AddGPUScreen () No symbol table info available. #8 0x00007f5dd1548c51 in ?? () No symbol table info available. #9 0x00007f5dd154d7c1 in ?? () No symbol table info available. #10 0x00007f5dd154a13b in ?? () No symbol table info available. #11 0x00007f5dd154a56e in ?? () No symbol table info available. #12 0x00007f5dd154af38 in ?? () No symbol table info available. #13 0x00007f5dd14ebddb in WakeupHandler () No symbol table info available. #14 0x00007f5dd163f843 in WaitForSomething () No symbol table info available. #15 0x00007f5dd14e6ec1 in ?? () No symbol table info available. #16 0x00007f5dd14eb29b in ?? () No symbol table info available. #17 0x00007f5dcf181ec5 in __libc_start_main (main=0x7f5dd14d5600, argc=11, argv=0x7ffedf5e9f78, init=, fini=, rtld_fini=, stack_end=0x7ffedf5e9f68) at libc-start.c:287 result = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 7672678295504881595, 140040920192517, 140732645941104, 0, 0, -7672045796045682757, -7727813631373408325}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x7f5dd1653340 <__libc_csu_init>, 0x7ffedf5e9f78}, data = {prev = 0x0, cleanup = 0x0, canceltype = -781896896}}} not_first_call = #18 0x00007f5dd14d562e in _start () No symbol table info available.