#0  0x0000000000a1f9ca in ?? ()
#1  0x00000000004101ad in ?? ()
#2  0x00000000004102d9 in ?? ()
#3  0x000000000040edf1 in ?? ()
#4  <signal handler called>
#5  __lll_lock_wait_private () at ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:95
  [Error: ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S was not found in source tree]
#6  0x00007fa1aaa5be2f in _L_lock_63 () from /tmp/apport_sandbox_HpiSc5/lib/x86_64-linux-gnu/libc.so.6
#7  0x00007fa1aaa5bd3f in ___fprintf_chk (fp=0x7fa1aad0c9e0 <_IO_stdfile_2_lock>, flag=1, format=0x7fa1ad433e78 "KCrash: Attempting to start %s %s\n") at fprintf_chk.c:31
  [Error: fprintf_chk.c was not found in source tree]
#8  0x00007fa1ad3278bb in fprintf (__fmt=0x7fa1ad433e78 "KCrash: Attempting to start %s %s\n", __stream=<optimized out>) at /usr/include/x86_64-linux-gnu/bits/stdio2.h:98
  [Error: /usr/include/x86_64-linux-gnu/bits/stdio2.h was not found in source tree]
#9  startProcessInternal (directly=false, waitAndExit=false, argv=0x894130, argc=2) at ../../kdeui/util/kcrash.cpp:535
  [Error: ../../kdeui/util/kcrash.cpp was not found in source tree]
#10 KCrash::startProcess (argc=2, argv=0x894130, waitAndExit=waitAndExit@entry=false) at ../../kdeui/util/kcrash.cpp:524
  [Error: ../../kdeui/util/kcrash.cpp was not found in source tree]
#11 0x00007fa1ad327a8a in KCrash::defaultCrashHandler (sig=11) at ../../kdeui/util/kcrash.cpp:311
  [Error: ../../kdeui/util/kcrash.cpp was not found in source tree]
#12 <signal handler called>
#13 0x0000000000a1f9ca in ?? ()
#14 0x00000000004101ad in ?? ()
#15 0x00000000004102d9 in ?? ()
#16 0x000000000040edf1 in ?? ()
#17 <signal handler called>
#18 0x00007fa1aaa3a44d in poll () at ../sysdeps/unix/syscall-template.S:81
  [Error: ../sysdeps/unix/syscall-template.S was not found in source tree]
#19 0x00007fa1a5fc289c in g_main_context_poll (n_fds=1, fds=0x7fa1940029c0, timeout=-1, context=0x7fa1940009a0, priority=<optimized out>) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:3653
  [Error: /build/buildd/glib2.0-2.35.4/./glib/gmain.c was not found in source tree]
#20 g_main_context_iterate (context=context@entry=0x7fa1940009a0, block=block@entry=1, dispatch=dispatch@entry=1, self=<optimized out>) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:3354
  [Error: /build/buildd/glib2.0-2.35.4/./glib/gmain.c was not found in source tree]
#21 0x00007fa1a5fc29c4 in g_main_context_iteration (context=0x7fa1940009a0, may_block=1) at /build/buildd/glib2.0-2.35.4/./glib/gmain.c:3420
  [Error: /build/buildd/glib2.0-2.35.4/./glib/gmain.c was not found in source tree]
#22 0x00007fa1abe68096 in QEventDispatcherGlib::processEvents (this=0x7fa1940008c0, flags=...) at kernel/qeventdispatcher_glib.cpp:424
  [Error: kernel/qeventdispatcher_glib.cpp was not found in source tree]
#23 0x00007fa1abe383ff in QEventLoop::processEvents (this=this@entry=0x7fa19b69ddb0, flags=...) at kernel/qeventloop.cpp:149
  [Error: kernel/qeventloop.cpp was not found in source tree]
#24 0x00007fa1abe38688 in QEventLoop::exec (this=0x7fa19b69ddb0, flags=...) at kernel/qeventloop.cpp:204
  [Error: kernel/qeventloop.cpp was not found in source tree]
#25 0x00007fa1abd39c00 in QThread::exec (this=<optimized out>) at thread/qthread.cpp:542
  [Error: thread/qthread.cpp was not found in source tree]
#26 0x000000000041058a in ?? ()
#27 0x00007fa1abd3cbdc in QThreadPrivate::start (arg=0x879fa0) at thread/qthread_unix.cpp:338
  [Error: thread/qthread_unix.cpp was not found in source tree]
#28 0x00007fa1a9db1f9f in start_thread (arg=0x7fa19b69e700) at pthread_create.c:311
  [Error: pthread_create.c was not found in source tree]
#29 0x00007fa1aaa460cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:114
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]