Thread 5 (Thread 0x7fe24f53b700 (LWP 543284)):
#0  0x00007fe2603c7e92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe26012a39b in mailsem_internal_wait () at /lib64/libetpan.so.20
#2  0x000056465dae45d9 in thread_run ()
#3  0x00007fe2603c1432 in start_thread () at /lib64/libpthread.so.0
#4  0x00007fe260025913 in clone () at /lib64/libc.so.6

Thread 4 (Thread 0x7fe24eb6c700 (LWP 541756)):
#0  0x00007fe2603c7e92 in pthread_cond_wait@@GLIBC_2.3.2 () at /lib64/libpthread.so.0
#1  0x00007fe24ec31c76 in bsfilter_filtering_thread () at /usr/lib64/claws-mail/plugins/bsfilter.so
#2  0x00007fe2603c1432 in start_thread () at /lib64/libpthread.so.0
#3  0x00007fe260025913 in clone () at /lib64/libc.so.6

Thread 3 (Thread 0x7fe24fd3c700 (LWP 541754)):
#0  0x00007fe26001aaaf in poll () at /lib64/libc.so.6
#1  0x00007fe26021caae in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#2  0x00007fe26021ce33 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#3  0x00007fe2608366aa in gdbus_shared_thread_func () at /lib64/libgio-2.0.so.0
#4  0x00007fe2602467f2 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007fe2603c1432 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe260025913 in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7fe25053d700 (LWP 541753)):
#0  0x00007fe26001aaaf in poll () at /lib64/libc.so.6
#1  0x00007fe26021caae in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#2  0x00007fe26021cbe3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe26021cc31 in glib_worker_main () at /lib64/libglib-2.0.so.0
#4  0x00007fe2602467f2 in g_thread_proxy () at /lib64/libglib-2.0.so.0
#5  0x00007fe2603c1432 in start_thread () at /lib64/libpthread.so.0
#6  0x00007fe260025913 in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7fe25e5b2540 (LWP 541752)):
#0  0x00007fe26001aaaf in poll () at /lib64/libc.so.6
#1  0x00007fe26021caae in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0

--Type <RET> for more, q to quit, c to continue without paging--

#2  0x00007fe26021cbe3 in g_main_context_iteration () at /lib64/libglib-2.0.so.0
#3  0x00007fe260c83e15 in gtk_main_iteration () at /lib64/libgtk-x11-2.0.so.0
#4  0x000056465d96f4c7 in inc_start ()
#5  0x000056465d970c35 in inc_account_list_mail ()
#6  0x000056465d970ecf in inc_all_account_mail ()
#7  0x000056465d970f24 in inc_autocheck_func ()
#8  0x00007fe26021d331 in g_timeout_dispatch () at /lib64/libglib-2.0.so.0
#9  0x00007fe26021c78f in g_main_context_dispatch () at /lib64/libglib-2.0.so.0
#10 0x00007fe26021cb18 in g_main_context_iterate.constprop () at /lib64/libglib-2.0.so.0
#11 0x00007fe26021ce33 in g_main_loop_run () at /lib64/libglib-2.0.so.0
#12 0x00007fe260c83ba2 in gtk_main () at /lib64/libgtk-x11-2.0.so.0
#13 0x000056465d8f4058 in main ()