the attachement contains the backtrace collected via  (gdb) thread apply
all bt
(gdb)  thread apply all bt

Thread 106 (Thread 0x7fffcaeff700 (LWP 9843)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff5ea27d8 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff5ea2cee in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#3  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225d069 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#11 0x00007ffff7bc4464 in start_thread (arg=0x7fffcaeff700) at pthread_create.c:333
#12 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 87 (Thread 0x7fffba6ff700 (LWP 9805)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff5ea27d8 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff5ea3192 in PR_Wait () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#3  0x00007ffff21407f1 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff214cc87 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff214ce79 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#11 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#12 0x00007ffff7bc4464 in start_thread (arg=0x7fffba6ff700) at pthread_create.c:333
#13 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 65 (Thread 0x7fffbd3ff700 (LWP 9775)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff5ea27d8 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff5ea3192 in PR_Wait () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#3  0x00007ffff21407f1 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff214cc87 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff214ce79 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#11 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#12 0x00007ffff7bc4464 in start_thread (arg=0x7fffbd3ff700) at pthread_create.c:333
#13 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 64 (Thread 0x7fffc0fff700 (LWP 9774)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2259635 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225e9ec in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffc0fff700) at pthread_create.c:333
#11 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 63 (Thread 0x7fffbe6ff700 (LWP 9773)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff334d5f7 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff3350aa2 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff336bb19 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff333bde6 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#11 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#12 0x00007ffff7bc4464 in start_thread (arg=0x7fffbe6ff700) at pthread_create.c:333
#13 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 62 (Thread 0x7fffbf9ff700 (LWP 9770)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2259635 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225e9ec in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffbf9ff700) at pthread_create.c:333
#11 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 61 (Thread 0x7fffc03ff700 (LWP 9769)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2259635 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225e9ec in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffc03ff700) at pthread_create.c:333
#11 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 58 (Thread 0x7fffc24ff700 (LWP 9766)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea31f5 in PR_Wait () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff224b199 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff224f22e in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff208c707 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff214c5e1 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff215252c in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2152f7b in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff214cd8d in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff214ce79 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#11 0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#12 0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#13 0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#14 0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#15 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#16 0x00007ffff7bc4464 in start_thread (arg=0x7fffc24ff700) at pthread_create.c:333
#17 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 57 (Thread 0x7fffc2efe700 (LWP 9765)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff5ea27d8 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff5ea2cee in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#3  0x00007ffff22f4f41 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff22f5489 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#6  0x00007ffff7bc4464 in start_thread (arg=0x7fffc2efe700) at pthread_create.c:333
#7  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 56 (Thread 0x7fffc36ff700 (LWP 9764)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea31f5 in PR_Wait () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff224b199 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff224f22e in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff208c707 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff214c5e1 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff215252c in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2152f7b in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff214cd8d in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff214ce79 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#11 0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#12 0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#13 0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#14 0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#15 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#16 0x00007ffff7bc4464 in start_thread (arg=0x7fffc36ff700) at pthread_create.c:333
#17 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 55 (Thread 0x7fffc40fe700 (LWP 9763)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff5ea27d8 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff5ea2cee in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#3  0x00007ffff22f4f41 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff22f5489 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#6  0x00007ffff7bc4464 in start_thread (arg=0x7fffc40fe700) at pthread_create.c:333
#7  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 54 (Thread 0x7fffc48ff700 (LWP 9762)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea31f5 in PR_Wait () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff224b199 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff224f22e in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff208c707 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff214c5e1 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff215252c in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2152f7b in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff214cd8d in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff214ce79 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#11 0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#12 0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#13 0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#14 0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#15 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#16 0x00007ffff7bc4464 in start_thread (arg=0x7fffc48ff700) at pthread_create.c:333
#17 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 53 (Thread 0x7fffc59f2700 (LWP 9761)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff5ea27d8 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff5ea2cee in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#3  0x00007ffff22f4f41 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff22f5489 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#6  0x00007ffff7bc4464 in start_thread (arg=0x7fffc59f2700) at pthread_create.c:333
#7  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 52 (Thread 0x7fffd4bff700 (LWP 9760)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2259635 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225e9ec in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffd4bff700) at pthread_create.c:333
#11 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 51 (Thread 0x7fffca6fe700 (LWP 9759)):
#0  0x00007ffff6e5e56d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffeb4419d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffeb441aec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fffc59fa46d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007fffeb469325 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffca6fe700) at pthread_create.c:333
#6  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 50 (Thread 0x7fffcc0fd700 (LWP 9758)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff5ea27d8 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff5ea3192 in PR_Wait () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#3  0x00007ffff21407f1 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff214cc87 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff214ce79 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#11 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#12 0x00007ffff7bc4464 in start_thread (arg=0x7fffcc0fd700) at pthread_create.c:333
#13 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 39 (Thread 0x7fffcb8fc700 (LWP 9747)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2259635 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225e9ec in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffcb8fc700) at pthread_create.c:333
#11 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 38 (Thread 0x7fffc9cff700 (LWP 9746)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff334d5f7 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff3350aa2 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff336bb19 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff333bde6 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#11 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#12 0x00007ffff7bc4464 in start_thread (arg=0x7fffc9cff700) at pthread_create.c:333
#13 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 33 (Thread 0x7fffcc8fe700 (LWP 9741)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2259635 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225e9ec in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffcc8fe700) at pthread_create.c:333
#11 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 32 (Thread 0x7fffcd0ff700 (LWP 9740)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2259635 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225e9ec in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffcd0ff700) at pthread_create.c:333
#11 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 31 (Thread 0x7fffcecf9700 (LWP 9739)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff244a6de in ?? () from /usr/lib/icedove/libxul.so
#2  0x00007ffff245335c in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff244c18f in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2452b20 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff2450793 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffcecf9700) at pthread_create.c:333
#8  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 30 (Thread 0x7fffcf4fa700 (LWP 9738)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2259635 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225e9ec in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffcf4fa700) at pthread_create.c:333
#11 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 29 (Thread 0x7fffcfcfb700 (LWP 9737)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff290062a in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#9  0x00007ffff7bc4464 in start_thread (arg=0x7fffcfcfb700) at pthread_create.c:333
#10 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 28 (Thread 0x7fffd04fc700 (LWP 9736)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff290062a in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#9  0x00007ffff7bc4464 in start_thread (arg=0x7fffd04fc700) at pthread_create.c:333
#10 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 27 (Thread 0x7fffd0cfd700 (LWP 9735)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff290062a in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#9  0x00007ffff7bc4464 in start_thread (arg=0x7fffd0cfd700) at pthread_create.c:333
#10 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 26 (Thread 0x7fffd14fe700 (LWP 9734)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff2453366 in ?? () from /usr/lib/icedove/libxul.so
#2  0x00007ffff24533fc in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff244c144 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2452b20 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff2450793 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffd14fe700) at pthread_create.c:333
#8  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 25 (Thread 0x7fffd1cff700 (LWP 9733)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff2453366 in ?? () from /usr/lib/icedove/libxul.so
#2  0x00007ffff24533fc in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff244c144 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2452b20 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff2450793 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffd1cff700) at pthread_create.c:333
#8  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 24 (Thread 0x7fffd308e700 (LWP 9732)):
#0  0x00007ffff6e5e56d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffeb4419d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffeb441d62 in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fffea8be4e6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007fffeb469325 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffd308e700) at pthread_create.c:333
#6  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 23 (Thread 0x7fffd388f700 (LWP 9731)):
#0  0x00007ffff6e5e56d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffeb4419d6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffeb441aec in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fffeb441b31 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fffeb469325 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffd388f700) at pthread_create.c:333
#6  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 21 (Thread 0x7fffd6f67700 (LWP 9729)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff396c6a9 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff3971457 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffd6f67700) at pthread_create.c:333
#6  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 20 (Thread 0x7fffd7768700 (LWP 9728)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2259635 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff225e9ec in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff245be9b in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#10 0x00007ffff7bc4464 in start_thread (arg=0x7fffd7768700) at pthread_create.c:333
#11 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 19 (Thread 0x7fffd88ff700 (LWP 9727)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff5ea27d8 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff5ea2cee in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#3  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff2262c6e in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#11 0x00007ffff7bc4464 in start_thread (arg=0x7fffd88ff700) at pthread_create.c:333
#12 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 18 (Thread 0x7ffff6d3c700 (LWP 9726)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff232a281 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2346215 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff23462a3 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#6  0x00007ffff7bc4464 in start_thread (arg=0x7ffff6d3c700) at pthread_create.c:333
#7  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 17 (Thread 0x7fffd99fe700 (LWP 9725)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff225dd1b in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffd99fe700) at pthread_create.c:333
#6  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 16 (Thread 0x7fffda1ff700 (LWP 9724)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff2257225 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2258521 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffda1ff700) at pthread_create.c:333
#6  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 15 (Thread 0x7fffdadff700 (LWP 9723)):
#0  pthread_cond_timedwait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_timedwait.S:225
#1  0x00007ffff5ea27d8 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff5ea2cee in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#3  0x00007ffff266c05f in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#5  0x00007ffff7bc4464 in start_thread (arg=0x7fffdadff700) at pthread_create.c:333
#6  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 14 (Thread 0x7fffdc0f8700 (LWP 9722)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff40496fb in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffdc0f8700) at pthread_create.c:333
#5  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 13 (Thread 0x7fffdc2f9700 (LWP 9721)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff40496fb in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffdc2f9700) at pthread_create.c:333
#5  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 12 (Thread 0x7fffdc4fa700 (LWP 9720)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff40496fb in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffdc4fa700) at pthread_create.c:333
#5  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 11 (Thread 0x7fffdc6fb700 (LWP 9719)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff40496fb in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffdc6fb700) at pthread_create.c:333
#5  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 10 (Thread 0x7fffdc8fc700 (LWP 9718)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff40496fb in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffdc8fc700) at pthread_create.c:333
#5  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 9 (Thread 0x7fffdcafd700 (LWP 9717)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff40496fb in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffdcafd700) at pthread_create.c:333
#5  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 8 (Thread 0x7fffdccfe700 (LWP 9716)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff40496fb in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffdccfe700) at pthread_create.c:333
#5  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 7 (Thread 0x7fffdceff700 (LWP 9715)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff40496fb in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4  0x00007ffff7bc4464 in start_thread (arg=0x7fffdceff700) at pthread_create.c:333
#5  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 6 (Thread 0x7fffdd9fe700 (LWP 9714)):
#0  0x00007ffff6e5e56d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff5ea623f in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff22d7149 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff22d90f3 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff22e0cb5 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#11 0x00007ffff7bc4464 in start_thread (arg=0x7fffdd9fe700) at pthread_create.c:333
#12 0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 5 (Thread 0x7ffff7fcd700 (LWP 9713)):
#0  pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1  0x00007ffff5ea2d70 in PR_WaitCondVar () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#2  0x00007ffff22a550e in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#4  0x00007ffff7bc4464 in start_thread (arg=0x7ffff7fcd700) at pthread_create.c:333
#5  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 4 (Thread 0x7fffde1ff700 (LWP 9712)):
#0  0x00007ffff6e5e56d in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff23ea0dc in ?? () from /usr/lib/icedove/libxul.so
#2  0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff245be4c in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff2260742 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff5ea8758 in ?? () from /usr/lib/x86_64-linux-gnu/libnspr4.so
#8  0x00007ffff7bc4464 in start_thread (arg=0x7fffde1ff700) at pthread_create.c:333
#9  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 3 (Thread 0x7fffe57f5700 (LWP 9711)):
#0  0x00007ffff6e67fd3 in epoll_wait () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007fffec7e1778 in ?? () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#2  0x00007fffec7cbadd in event_base_loop () from /usr/lib/x86_64-linux-gnu/libevent-2.0.so.5
#3  0x00007ffff244a163 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff2452b20 in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff2450793 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff7bc4464 in start_thread (arg=0x7fffe57f5700) at pthread_create.c:333
#8  0x00007ffff6e679df in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:105

Thread 1 (Thread 0x7ffff7fc1740 (LWP 9705)):
#0  0x00007fffdcfd3a40 in ?? ()
#1  0x00007ffff35c2f85 in ?? () from /usr/lib/icedove/libxul.so
#2  0x00007ffff35c4edd in ?? () from /usr/lib/icedove/libxul.so
#3  0x00007ffff35f8a16 in ?? () from /usr/lib/icedove/libxul.so
#4  0x00007ffff36274b0 in ?? () from /usr/lib/icedove/libxul.so
#5  0x00007ffff362bebe in ?? () from /usr/lib/icedove/libxul.so
#6  0x00007ffff344cda0 in ?? () from /usr/lib/icedove/libxul.so
#7  0x00007ffff344cf51 in ?? () from /usr/lib/icedove/libxul.so
#8  0x00007ffff344d022 in ?? () from /usr/lib/icedove/libxul.so
#9  0x00007ffff35a63aa in ?? () from /usr/lib/icedove/libxul.so
#10 0x00007ffff35a679f in ?? () from /usr/lib/icedove/libxul.so
#11 0x00007ffff35a6847 in ?? () from /usr/lib/icedove/libxul.so
#12 0x00007ffff35a6a36 in ?? () from /usr/lib/icedove/libxul.so
#13 0x00007ffff35a0e35 in ?? () from /usr/lib/icedove/libxul.so
#14 0x00007ffff225ea53 in ?? () from /usr/lib/icedove/libxul.so
#15 0x00007ffff2278ae9 in ?? () from /usr/lib/icedove/libxul.so
#16 0x00007ffff245c0bd in ?? () from /usr/lib/icedove/libxul.so
#17 0x00007ffff244bf62 in ?? () from /usr/lib/icedove/libxul.so
#18 0x00007ffff345f2ba in ?? () from /usr/lib/icedove/libxul.so
#19 0x00007ffff3a3b906 in ?? () from /usr/lib/icedove/libxul.so
#20 0x00007ffff3a70956 in ?? () from /usr/lib/icedove/libxul.so
#21 0x00007ffff3a70c0b in ?? () from /usr/lib/icedove/libxul.so
#22 0x00007ffff3a70e39 in XRE_main () from /usr/lib/icedove/libxul.so
#23 0x0000555555559293 in ?? ()
#24 0x00005555555589da in ?? ()
#25 0x00007ffff6d9f2b1 in __libc_start_main (main=0x555555558940, argc=1, argv=0x7fffffffdf68, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffdf58)
    at ../csu/libc-start.c:291
#26 0x0000555555558b0a in _start ()

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