#0  0x00007fbdaa839f79 in __GI_raise (sig=sig@entry=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
  [Error: ../nptl/sysdeps/unix/sysv/linux/raise.c was not found in source tree]
#1  0x00007fbdaa83d388 in __GI_abort () at abort.c:89
  [Error: abort.c was not found in source tree]
#2  0x00007fbdace96a1e in OsAbort () at ../../os/utils.c:1324
  [Error: ../../os/utils.c was not found in source tree]
#3  0x00007fbdacd7d5a7 in ddxGiveUp (error=EXIT_ERR_ABORT) at ../../../../hw/xfree86/common/xf86Init.c:1112
  [Error: ../../../../hw/xfree86/common/xf86Init.c was not found in source tree]
#4  0x00007fbdace9beb2 in AbortServer () at ../../os/log.c:770
  [Error: ../../os/log.c was not found in source tree]
#5  0x00007fbdace9cbb8 in FatalError (f=f@entry=0x7fbdacec7388 "Caught signal %d (%s). Server aborting\n") at ../../os/log.c:911
  [Error: ../../os/log.c was not found in source tree]
#6  0x00007fbdace9478c in OsSigHandler (signo=11, sip=<optimized out>, unused=<optimized out>) at ../../os/osinit.c:147
  [Error: ../../os/osinit.c was not found in source tree]
#7  0x00007fbdabdf5330 in ?? () from /tmp/apport_sandbox_hOpqYO/lib/x86_64-linux-gnu/libpthread.so.0
#8  0x0000000000000000 in ?? ()