[Denemo-devel] Denemo sometimes hangs (crashes) on quit

[Andreas Schneider]

Denemo sometimes hangs after File > Quit. I cannot reproduce it, but it
occurs from time to time. As I adopted Richard's habit to run in gdb, I
can provide a backtrace:

(gdb) where
#0  0x00007ffff2052107 in __GI_raise (address@hidden)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff20534e8 in __GI_abort () at abort.c:89
#2  0x00007ffff2090204 in __libc_message (address@hidden,
    address@hidden "*** %s ***: %s terminated\n")
    at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007ffff21134c7 in __GI___fortify_fail (
    address@hidden "stack smashing detected")
    at fortify_fail.c:31
#4  0x00007ffff2113490 in __stack_chk_fail () at stack_chk_fail.c:28
#5  0x00000000004de9dd in ?? ()
#6  0x00007ffff3b9a935 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ffff2bd80a4 in start_thread (arg=0x7fffe1105700)
    at pthread_create.c:309
#8  0x00007ffff210304d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)
#0  0x00007ffff2052107 in __GI_raise (address@hidden)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff20534e8 in __GI_abort () at abort.c:89
#2  0x00007ffff2090204 in __libc_message (address@hidden,
    address@hidden "*** %s ***: %s terminated\n")
    at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007ffff21134c7 in __GI___fortify_fail (
    address@hidden "stack smashing detected")
    at fortify_fail.c:31
#4  0x00007ffff2113490 in __stack_chk_fail () at stack_chk_fail.c:28
#5  0x00000000004de9dd in ?? ()
#6  0x00007ffff3b9a935 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ffff2bd80a4 in start_thread (arg=0x7fffe1105700)
    at pthread_create.c:309
#8  0x00007ffff210304d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)
#0  0x00007ffff2052107 in __GI_raise (address@hidden)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff20534e8 in __GI_abort () at abort.c:89
#2  0x00007ffff2090204 in __libc_message (address@hidden,
    address@hidden "*** %s ***: %s terminated\n")
    at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007ffff21134c7 in __GI___fortify_fail (
    address@hidden "stack smashing detected")
    at fortify_fail.c:31
#4  0x00007ffff2113490 in __stack_chk_fail () at stack_chk_fail.c:28
#5  0x00000000004de9dd in ?? ()
#6  0x00007ffff3b9a935 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ffff2bd80a4 in start_thread (arg=0x7fffe1105700)
    at pthread_create.c:309
#8  0x00007ffff210304d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)
#0  0x00007ffff2052107 in __GI_raise (address@hidden)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff20534e8 in __GI_abort () at abort.c:89
#2  0x00007ffff2090204 in __libc_message (address@hidden,
    address@hidden "*** %s ***: %s terminated\n")
    at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007ffff21134c7 in __GI___fortify_fail (
    address@hidden "stack smashing detected")
    at fortify_fail.c:31
#4  0x00007ffff2113490 in __stack_chk_fail () at stack_chk_fail.c:28
#5  0x00000000004de9dd in ?? ()
#6  0x00007ffff3b9a935 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ffff2bd80a4 in start_thread (arg=0x7fffe1105700)
    at pthread_create.c:309
#8  0x00007ffff210304d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)
#0  0x00007ffff2052107 in __GI_raise (address@hidden)
    at ../nptl/sysdeps/unix/sysv/linux/raise.c:56
#1  0x00007ffff20534e8 in __GI_abort () at abort.c:89
#2  0x00007ffff2090204 in __libc_message (address@hidden,
    address@hidden "*** %s ***: %s terminated\n")
    at ../sysdeps/posix/libc_fatal.c:175
#3  0x00007ffff21134c7 in __GI___fortify_fail (
    address@hidden "stack smashing detected")
    at fortify_fail.c:31
#4  0x00007ffff2113490 in __stack_chk_fail () at stack_chk_fail.c:28
#5  0x00000000004de9dd in ?? ()
#6  0x00007ffff3b9a935 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#7  0x00007ffff2bd80a4 in start_thread (arg=0x7fffe1105700)
    at pthread_create.c:309
#8  0x00007ffff210304d in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111
(gdb)

Andreas