GNU gdb (Ubuntu 8.1-0ubuntu3) 8.1.0.20180409-git Copyright (C) 2018 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-linux-gnu". Type "show configuration" for configuration details. For bug reporting instructions, please see: . Find the GDB manual and other documentation resources online at: . For help, type "help". Type "apropos word" to search for commands related to "word". (gdb) handle SIG33 pass nostop noprint Signal Stop Print Pass to program Description SIG33 No No Yes Real-time event 33 (gdb) set pagination 0 (gdb) attach 21905 Attaching to process 21905 [New LWP 21906] [New LWP 21907] [New LWP 21908] [New LWP 21909] [New LWP 21911] [New LWP 21914] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". 0x00007f65f76acbf9 in __GI___poll (fds=0x55ea35ec18e0, nfds=4, timeout=40) at ../sysdeps/unix/sysv/linux/poll.c:29 29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory. (gdb) c[Kcontinue Continuing. [New Thread 0x7f65c90ce700 (LWP 21924)] [New Thread 0x7f65c88cd700 (LWP 21925)] [New Thread 0x7f65affff700 (LWP 21926)] [Thread 0x7f65affff700 (LWP 21926) exited] [Thread 0x7f65c90ce700 (LWP 21924) exited] [Thread 0x7f65d1cf4700 (LWP 21909) exited] [New Thread 0x7f65d1cf4700 (LWP 21927)] [New Thread 0x7f65c90ce700 (LWP 21928)] [New Thread 0x7f65affff700 (LWP 21929)] [New Thread 0x7f65af7fe700 (LWP 21930)] [New Thread 0x7f65aeffd700 (LWP 21931)] Thread 13 "pool" received signal SIGSEGV, Segmentation fault. [Switching to Thread 0x7f65affff700 (LWP 21929)] 0x00007f65fa69e694 in g_date_time_to_unix () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 (gdb) backtrace full #0 0x00007f65fa69e694 in g_date_time_to_unix () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f65d378b3ae in gs_plugin_refine_app () at /usr/lib/x86_64-linux-gnu/gs-plugins-11/libgs_plugin_snap.so #2 0x000055ea3301c833 in () #3 0x000055ea3301ccb2 in () #4 0x000055ea3301cf19 in () #5 0x000055ea3301d3ef in () #6 0x000055ea3301da27 in () #7 0x00007f65fa358be6 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #8 0x00007f65fa6dd7d0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #9 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #10 0x00007f65f79906db in start_thread (arg=0x7f65affff700) at pthread_create.c:463 pd = 0x7f65affff700 now = unwind_buf = {cancel_jmp_buf = {{jmp_buf = {140074721212160, 7898298185755502078, 140074721209408, 0, 94464452740656, 140729035923776, -7829723844971485698, -7829636147002890754}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}} not_first_call = #11 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 (gdb) info registers rax 0x0 0 rbx 0x0 0 rcx 0x7f65f799a2b7 140075922465463 rdx 0x7f65c40b5a60 140075057502816 rsi 0x747f000 122155008 rdi 0x0 0 rbp 0x55ea36ffa7a0 0x55ea36ffa7a0 rsp 0x7f65afffe6f0 0x7f65afffe6f0 r8 0x0 0 r9 0x0 0 r10 0xd0a 3338 r11 0x0 0 r12 0x0 0 r13 0x7f65d378b140 140075316326720 r14 0x7f65a40697e0 140074520319968 r15 0x55ea34befa00 94464395639296 rip 0x7f65fa69e694 0x7f65fa69e694 eflags 0x10246 [ PF ZF IF RF ] cs 0x33 51 ss 0x2b 43 ds 0x0 0 es 0x0 0 fs 0x0 0 gs 0x0 0 (gdb) x/16i $pc => 0x7f65fa69e694 : mov 0x10(%rdi),%esi 0x7f65fa69e697 : mov 0x8(%rdi),%rdi 0x7f65fa69e69b : callq 0x7f65fa6e1670 0x7f65fa69e6a0 : movslq 0x14(%rbx),%rcx 0x7f65fa69e6a4 : movabs $0x141dd76000,%rdx 0x7f65fa69e6ae : cltq 0x7f65fa69e6b0 : imul $0xf4240,%rax,%rax 0x7f65fa69e6b7 : imul %rdx,%rcx 0x7f65fa69e6bb : movabs $0x431bde82d7b634db,%rdx 0x7f65fa69e6c5 : add (%rbx),%rcx 0x7f65fa69e6c8 : pop %rbx 0x7f65fa69e6c9 : sub %rax,%rcx 0x7f65fa69e6cc : mov %rcx,%rax 0x7f65fa69e6cf : sar $0x3f,%rcx 0x7f65fa69e6d3 : imul %rdx 0x7f65fa69e6d6 : movabs $0xfffffff1886cb780,%rax (gdb) thread apply all backtrace Thread 15 (Thread 0x7f65aeffd700 (LWP 21931)): #0 0x00007f65f76b3839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f65fa6faf2a in g_cond_wait_until () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f65fa6884f1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f65fa688aac in g_async_queue_timeout_pop () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f65fa6dd8ae in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #6 0x00007f65f79906db in start_thread (arg=0x7f65aeffd700) at pthread_create.c:463 #7 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 14 (Thread 0x7f65af7fe700 (LWP 21930)): #0 0x00007f65f76acbf9 in __GI___poll (fds=0x7f65a409fe90, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f65fa6b5439 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f65fa6b57d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f65f82439db in pk_client_resolve () at /usr/lib/x86_64-linux-gnu/libpackagekit-glib2.so.18 #4 0x00007f65e2bd366b in () at /usr/lib/x86_64-linux-gnu/gs-plugins-11/libgs_plugin_packagekit-refine.so #5 0x00007f65e2bd3df0 in gs_plugin_refine () at /usr/lib/x86_64-linux-gnu/gs-plugins-11/libgs_plugin_packagekit-refine.so #6 0x000055ea3301c871 in () #7 0x000055ea3301cc42 in () #8 0x000055ea3301cf19 in () #9 0x000055ea3301d3ef in () #10 0x000055ea3301da27 in () #11 0x00007f65fa358be6 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #12 0x00007f65fa6dd7d0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #13 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #14 0x00007f65f79906db in start_thread (arg=0x7f65af7fe700) at pthread_create.c:463 #15 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 13 (Thread 0x7f65affff700 (LWP 21929)): #0 0x00007f65fa69e694 in g_date_time_to_unix () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #1 0x00007f65d378b3ae in gs_plugin_refine_app () at /usr/lib/x86_64-linux-gnu/gs-plugins-11/libgs_plugin_snap.so #2 0x000055ea3301c833 in () #3 0x000055ea3301ccb2 in () #4 0x000055ea3301cf19 in () #5 0x000055ea3301d3ef in () #6 0x000055ea3301da27 in () #7 0x00007f65fa358be6 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #8 0x00007f65fa6dd7d0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #9 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #10 0x00007f65f79906db in start_thread (arg=0x7f65affff700) at pthread_create.c:463 #11 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 12 (Thread 0x7f65c90ce700 (LWP 21928)): #0 0x00007f65f76b3839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f65fa6faf2a in g_cond_wait_until () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f65fa6884f1 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f65fa6dd7a4 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f65f79906db in start_thread (arg=0x7f65c90ce700) at pthread_create.c:463 #6 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 11 (Thread 0x7f65d1cf4700 (LWP 21927)): #0 0x00007f65f76b3839 in syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38 #1 0x00007f65fa6fae0f in g_cond_wait () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f65fa35892b in g_task_run_in_thread_sync () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #3 0x00007f65ad3e6abe in () at /usr/lib/x86_64-linux-gnu/gio/modules/libgiognutls.so #4 0x00007f65f85053fd in () at /usr/lib/x86_64-linux-gnu/libsoup-2.4.so.1 #5 0x00007f65f84dc6ee in () at /usr/lib/x86_64-linux-gnu/libsoup-2.4.so.1 #6 0x00007f65f85006d2 in () at /usr/lib/x86_64-linux-gnu/libsoup-2.4.so.1 #7 0x00007f65f8500e0e in () at /usr/lib/x86_64-linux-gnu/libsoup-2.4.so.1 #8 0x00007f65e21b8085 in gs_plugin_refine_app () at /usr/lib/x86_64-linux-gnu/gs-plugins-11/libgs_plugin_icons.so #9 0x000055ea3301c833 in () #10 0x000055ea3301ccb2 in () #11 0x000055ea3301cf19 in () #12 0x000055ea3301d3ef in () #13 0x000055ea3301da27 in () #14 0x00007f65fa358be6 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #15 0x00007f65fa6dd7d0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #16 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #17 0x00007f65f79906db in start_thread (arg=0x7f65d1cf4700) at pthread_create.c:463 #18 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 9 (Thread 0x7f65c88cd700 (LWP 21925)): #0 0x00007f65f76acbf9 in __GI___poll (fds=0x7f65c88cbfd0, nfds=2, timeout=10000) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f65fa34947d in g_socket_condition_timed_wait () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #2 0x00007f65fa34a33e in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #3 0x00007f65fa32eea0 in g_input_stream_read () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007f65ad3e5045 in () at /usr/lib/x86_64-linux-gnu/gio/modules/libgiognutls.so #5 0x00007f65e03cf868 in () at /usr/lib/x86_64-linux-gnu/libgnutls.so.30 #6 0x00007f65e03c989a in () at /usr/lib/x86_64-linux-gnu/libgnutls.so.30 #7 0x00007f65e03d0d23 in () at /usr/lib/x86_64-linux-gnu/libgnutls.so.30 #8 0x00007f65e03d393c in () at /usr/lib/x86_64-linux-gnu/libgnutls.so.30 #9 0x00007f65e03d5c86 in gnutls_handshake () at /usr/lib/x86_64-linux-gnu/libgnutls.so.30 #10 0x00007f65ad3e5d6f in () at /usr/lib/x86_64-linux-gnu/gio/modules/libgiognutls.so #11 0x00007f65fa358be6 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #12 0x00007f65fa6dd7d0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #13 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #14 0x00007f65f79906db in start_thread (arg=0x7f65c88cd700) at pthread_create.c:463 #15 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 7 (Thread 0x7f65c98cf700 (LWP 21914)): #0 0x00007f65f76acbf9 in __GI___poll (fds=0x7f65b8007030, nfds=3, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f65ca729451 in () at /usr/lib/x86_64-linux-gnu/libpulse.so.0 #2 0x00007f65ca71ae10 in pa_mainloop_poll () at /usr/lib/x86_64-linux-gnu/libpulse.so.0 #3 0x00007f65ca71b4a0 in pa_mainloop_iterate () at /usr/lib/x86_64-linux-gnu/libpulse.so.0 #4 0x00007f65ca71b530 in pa_mainloop_run () at /usr/lib/x86_64-linux-gnu/libpulse.so.0 #5 0x00007f65ca729399 in () at /usr/lib/x86_64-linux-gnu/libpulse.so.0 #6 0x00007f65ca4cb2a8 in () at /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-11.1.so #7 0x00007f65f79906db in start_thread (arg=0x7f65c98cf700) at pthread_create.c:463 #8 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 6 (Thread 0x7f65cb955700 (LWP 21911)): #0 0x00007f65f76acbf9 in __GI___poll (fds=0x7f65c40d4550, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f65fa6b5439 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f65fa6b57d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f65f8243fdb in pk_client_search_files () at /usr/lib/x86_64-linux-gnu/libpackagekit-glib2.so.18 #4 0x00007f65e2bd4054 in gs_plugin_refine () at /usr/lib/x86_64-linux-gnu/gs-plugins-11/libgs_plugin_packagekit-refine.so #5 0x000055ea3301c871 in () #6 0x000055ea3301cc42 in () #7 0x000055ea3301cf19 in () #8 0x000055ea3301d3ef in () #9 0x000055ea3301da27 in () #10 0x00007f65fa358be6 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #11 0x00007f65fa6dd7d0 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #12 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #13 0x00007f65f79906db in start_thread (arg=0x7f65cb955700) at pthread_create.c:463 #14 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f65e3df2700 (LWP 21908)): #0 0x00007f65f76acbf9 in __GI___poll (fds=0x55ea349c2020, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f65fa6b5439 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f65fa6b554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f65e3dfa36d in () at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so #4 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f65f79906db in start_thread (arg=0x7f65e3df2700) at pthread_create.c:463 #6 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f65e9dbc700 (LWP 21907)): #0 0x00007f65f76acbf9 in __GI___poll (fds=0x7f65cc001e70, nfds=4, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f65fa6b5439 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f65fa6b57d2 in g_main_loop_run () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f65fa399e76 in () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f65f79906db in start_thread (arg=0x7f65e9dbc700) at pthread_create.c:463 #6 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f65ea5bd700 (LWP 21906)): #0 0x00007f65f76acbf9 in __GI___poll (fds=0x55ea3489e010, nfds=2, timeout=100) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f65fa6b5439 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f65fa6b554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f65fa6b5591 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f65fa6dce05 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f65f79906db in start_thread (arg=0x7f65ea5bd700) at pthread_create.c:463 #6 0x00007f65f76b988f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f65fb22dac0 (LWP 21905)): #0 0x00007f65f76acbf9 in __GI___poll (fds=0x55ea35ec18e0, nfds=4, timeout=14) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f65fa6b5439 in () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f65fa6b554c in g_main_context_iteration () at /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f65fa36dd2d in g_application_run () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x000055ea32fc60c8 in main () (gdb) quit A debugging session is active. Inferior 1 [process 21905] will be detached. Quit anyway? (y or n) y Detaching from program: /usr/bin/gnome-software, process 21905