lxpanel receives signal SIGSEGV, Segmentation fault when startup, and
cause it unusable.
$ gdb lxpanel
Reading symbols from lxpanel...
Reading symbols from /usr/lib/debug/.build-id/e2/41004afdf79e3c7d83166b0fec1c7d09733a4b.debug...
(gdb) r
Starting program: /usr/bin/lxpanel
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[New Thread 0x7ffff57ff6c0 (LWP 315599)]
[New Thread 0x7fffeffff6c0 (LWP 315600)]
[New Thread 0x7ffff4ffe6c0 (LWP 315601)]
[New Thread 0x7fffef7fe6c0 (LWP 315602)]
[New Thread 0x7fffeeffd6c0 (LWP 315603)]
Thread 1 "lxpanel" received signal SIGSEGV, Segmentation fault.
0x0000000000000003 in ?? ()
(gdb) bt
#0 0x0000000000000003 in ?? ()
#1 0x00007ffff6f1bb6f in XInternAtoms () from /lib/x86_64-linux-gnu/libX11.so.6
#2 0x00007ffff7fa60ef in resolve_atoms () at ./src/misc.c:380
#3 0x0000555555563212 in main (argc=<optimized out>, argv=<optimized out>, env=0x7fffffffd208) at ./src/main.c:489