backtrace_xorg

linaro@linaro-alip:~$ sudo su
root@linaro-alip:/home/linaro# ps -elf | grep xorg
4 S root      2743  2177  3  80   0 - 69291 SyS_ep 07:13 tty7     00:00:01 /usr/lib/xorg/Xorg -nolisten tcp -auth /var/run/sddm/{0f20fb64-5733-4b0f-af32-7146fc4c26f9} -background none -noreset -displayfd 18 -seat seat0 vt7
0 S root      2920  2785  0  80   0 -  1454 pipe_w 07:14 pts/0    00:00:00 grep xorg
root@linaro-alip:/home/linaro# gdb /usr/lib/xorg/Xorg 2743
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Reading symbols from /usr/lib/xorg/Xorg...(no debugging symbols found)...done.
Attaching to program: /usr/lib/xorg/Xorg, process 2743
[New LWP 2745]
[New LWP 2751]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
0x0000ffff91cc7c00 in epoll_pwait () from /lib/aarch64-linux-gnu/libc.so.6
(gdb) continue
Continuing.
(gdb)
Thread 1 "Xorg" received signal SIGSEGV, Segmentation fault.
0x0000ffff9060cb90 in ?? () from /usr/lib/aarch64-linux-gnu/dri/msm_dri.so
(gdb) backtrace full
#0  0x0000ffff9060cb90 in ?? () from /usr/lib/aarch64-linux-gnu/dri/msm_dri.so
No symbol table info available.
#1  0x0000ffff905c8d80 in ?? () from /usr/lib/aarch64-linux-gnu/dri/msm_dri.so
No symbol table info available.
#2  0x0000ffff905c90d0 in ?? () from /usr/lib/aarch64-linux-gnu/dri/msm_dri.so
No symbol table info available.
#3  0x0000ffff9060e6c0 in ?? () from /usr/lib/aarch64-linux-gnu/dri/msm_dri.so
No symbol table info available.
#4  0x0000ffff9079d584 in ?? () from /usr/lib/aarch64-linux-gnu/dri/msm_dri.so
No symbol table info available.
#5  0x0000ffff9138fbe0 in ?? () from /usr/lib/xorg/modules/libglamoregl.so
No symbol table info available.
#6  0x0000ffff913e7d58 in ?? () from /usr/lib/xorg/modules/drivers/modesetting_drv.so
No symbol table info available.
#7  0x0000aaaad0717418 in BlockHandler ()
No symbol table info available.
#8  0x0000aaaad085e6d0 in WaitForSomething ()
No symbol table info available.
#9  0x0000aaaad07125ac in ?? ()
No symbol table info available.
#10 0x0000aaaad07168e0 in ?? ()
No symbol table info available.
#11 0x0000ffff91c18d24 in __libc_start_main () from /lib/aarch64-linux-gnu/libc.so.6
No symbol table info available.
#12 0x0000aaaad0700368 in _start ()
No symbol table info available.
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
(gdb)