[Python-apps-team] Bug#971280: quodlibet segfauts trying to play some files in archive

Ian Campbell ijc at debian.org
Tue Sep 29 15:37:11 BST 2020


Package: quodlibet
Version: 4.3.0-1
Followup-For: Bug #971280

I am seeing a similar crash to that reported here (on another system to the one
I am writing on, although with the same ql version).

Disabling _both_ the "Discogs Cover Source" and "MusicBrainz Cover Source"
plugins seems to avoid the issue.

I ran under gdb (`gdb --args /usr/bin/python3 /usr/bin/quodlibet --debug`) and
got backtraces from all threads (see in full below). I think the interesting
one looks like it is this one:

Thread 17 (Thread 0x7fffad0be700 (LWP 291091)):
#0  0x00007ffff51aa8e0 in _Unwind_GetTextRelBase () from /lib/x86_64-linux-gnu/libgcc_s.so.1
#1  0x00007ffff525b221 in __gxx_personality_v0 () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#2  0x00007ffff294de81 in __libunwind_Unwind_Resume () from /usr/lib/x86_64-linux-gnu/libunwind.so.8
#3  0x00007fffd96c0073 in ?? () from /usr/lib/x86_64-linux-gnu/libproxy.so.1
#4  0x00007fffd96b74ad in ?? () from /usr/lib/x86_64-linux-gnu/libproxy.so.1
#5  0x00007fffd96b79d7 in ?? () from /usr/lib/x86_64-linux-gnu/libproxy.so.1
#6  0x00007fffd96b7d8f in px_proxy_factory_get_proxies () from /usr/lib/x86_64-linux-gnu/libproxy.so.1
#7  0x00007fffea5e94af in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libgiolibproxy.so
#8  0x00007ffff72acfbe in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#9  0x00007ffff75596c4 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Could be a libproxy issue?

Thanks,
Ian.

<<< >>>
Thread 17 "pool-io.github." received signal SIGSEGV, Segmentation fault.
[Switching to Thread 0x7fffad0be700 (LWP 291091)]
0x00007ffff51aa8e0 in _Unwind_GetTextRelBase () from /lib/x86_64-linux-gnu/libgcc_s.so.1
(gdb) t a a bt

Thread 17 (Thread 0x7fffad0be700 (LWP 291091)):
#0  0x00007ffff51aa8e0 in _Unwind_GetTextRelBase () from /lib/x86_64-linux-gnu/libgcc_s.so.1
#1  0x00007ffff525b221 in __gxx_personality_v0 () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#2  0x00007ffff294de81 in __libunwind_Unwind_Resume () from /usr/lib/x86_64-linux-gnu/libunwind.so.8
#3  0x00007fffd96c0073 in ?? () from /usr/lib/x86_64-linux-gnu/libproxy.so.1
#4  0x00007fffd96b74ad in ?? () from /usr/lib/x86_64-linux-gnu/libproxy.so.1
#5  0x00007fffd96b79d7 in ?? () from /usr/lib/x86_64-linux-gnu/libproxy.so.1
#6  0x00007fffd96b7d8f in px_proxy_factory_get_proxies () from /usr/lib/x86_64-linux-gnu/libproxy.so.1
#7  0x00007fffea5e94af in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libgiolibproxy.so
#8  0x00007ffff72acfbe in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#9  0x00007ffff75596c4 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#12 0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 16 (Thread 0x7fffad8bf700 (LWP 291090)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff7580cd2 in g_cond_wait_until () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff74ff591 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff755981a in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 15 (Thread 0x7fffaf7fe700 (LWP 291089)):
#0  0x00007ffff7d1a4bf in __GI___poll (fds=0x10a7310, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff752fdce in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff752feef in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fffd96f738d in ?? () from /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 14 (Thread 0x7fffe9238700 (LWP 291088)):
#0  0x00007ffff7d1a4bf in __GI___poll (fds=0x7fffc800ff30, nfds=3, timeout=32) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007fffe96bb4f2 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#2  0x00007fffe96ace39 in pa_mainloop_poll () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#3  0x00007fffe96ad4bf in pa_mainloop_iterate () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fffe96ad570 in pa_mainloop_run () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#5  0x00007fffe96bb439 in ?? () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#6  0x00007fffe9659268 in ?? () from /usr/lib/x86_64-linux-gnu/pulseaudio/libpulsecommon-13.0.so
#7  0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#8  0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7fffaffff700 (LWP 291079)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0xe0fef0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem at entry=0xe0fef0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f99278 in __new_sem_wait_slow (sem=0xe0fef0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00000000004e35af in PyThread_acquire_lock_timed ()
#4  0x00007ffff50848fd in ?? () from /usr/lib/python3.8/lib-dynload/_queue.cpython-38-x86_64-linux-gnu.so
#5  0x000000000050dff1 in ?? ()
#6  0x0000000000506a35 in _PyEval_EvalFrameDefault ()
#7  0x000000000051ad20 in _PyFunction_Vectorcall ()
#8  0x000000000052c6b1 in PyVectorcall_Call ()
#9  0x0000000000507066 in _PyEval_EvalFrameDefault ()
#10 0x000000000051ad20 in _PyFunction_Vectorcall ()
#11 0x0000000000505a6c in _PyEval_EvalFrameDefault ()
#12 0x000000000051ad20 in _PyFunction_Vectorcall ()
#13 0x0000000000505a6c in _PyEval_EvalFrameDefault ()
#14 0x000000000051ad20 in _PyFunction_Vectorcall ()
#15 0x000000000052c1dd in ?? ()
#16 0x000000000052c6b1 in PyVectorcall_Call ()
#17 0x0000000000607148 in ?? ()
#18 0x0000000000604b64 in ?? ()
#19 0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#20 0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7fffd4cfb700 (LWP 291076)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff7580baf in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff2a212e3 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#3  0x00007ffff75596c4 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7fffda122700 (LWP 291075)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff7580baf in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffeb900e53 in gst_data_queue_push () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#3  0x00007fffdb1c1896 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#4  0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007fffda963c3e in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstogg.so
#8  0x00007fffda96839a in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstogg.so
#9  0x00007fffda9697e5 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstogg.so
#10 0x00007fffda96ee0d in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstogg.so
#11 0x00007fffda96f684 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstogg.so
#12 0x00007ffff2a210ff in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#13 0x00007ffff75596c4 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#14 0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#15 0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#16 0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7fffda923700 (LWP 291074)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x36aea38) at ../sysdeps/nptl/futex-internal.h:183
#1  __pthread_cond_wait_common (abstime=0x0, clockid=0, mutex=0x3bbab20, cond=0x36aea10) at pthread_cond_wait.c:508
#2  __pthread_cond_wait (cond=0x36aea10, mutex=0x3bbab20) at pthread_cond_wait.c:638
#3  0x00007fffe96bbb88 in pa_threaded_mainloop_wait () from /usr/lib/x86_64-linux-gnu/libpulse.so.0
#4  0x00007fffea027a14 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstpulseaudio.so
#5  0x00007fffeb76880b in ?? () from /usr/lib/x86_64-linux-gnu/libgstaudio-1.0.so.0
#6  0x00007fffeb8e3404 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#7  0x00007fffeb8e4f50 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#8  0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#11 0x00007fffeb8ef507 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#12 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#13 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#14 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#15 0x00007ffff29d5afb in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#16 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#17 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#18 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x00007ffff29d5afb in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#20 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#21 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#22 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007fffeb8ef507 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#24 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#25 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#26 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007fffeb8ef507 in ?? () from /usr/lib/x86_64-linux-gnu/libgstbase-1.0.so.0
#28 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#29 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#30 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#31 0x00007ffff29d5afb in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#32 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#33 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#34 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#35 0x00007fffdb1d6a83 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#36 0x00007ffff2a210ff in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#37 0x00007ffff75596c4 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#38 0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#39 0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#40 0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7fffdb192700 (LWP 291072)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff7580baf in g_cond_wait () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007fffdb1d747d in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#3  0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#4  0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#5  0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#6  0x00007ffff29d5afb in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#7  0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#8  0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#9  0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#10 0x00007fffe8a0f241 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstplayback.so
#11 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#12 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#13 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#14 0x00007fffdb1d99f6 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#15 0x00007fffdb1d9bed in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#16 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#17 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#18 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#19 0x00007ffff29d5afb in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#20 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#21 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#22 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#23 0x00007fffdb1ba0db in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#24 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#25 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#26 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#27 0x00007ffff29d5afb in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#28 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#29 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#30 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#31 0x00007ffff29d5afb in gst_proxy_pad_chain_default () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#32 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#33 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#34 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#35 0x00007fffeb773b0c in ?? () from /usr/lib/x86_64-linux-gnu/libgstaudio-1.0.so.0
#36 0x00007fffeb773f2c in ?? () from /usr/lib/x86_64-linux-gnu/libgstaudio-1.0.so.0
#37 0x00007fffeb77a10b in ?? () from /usr/lib/x86_64-linux-gnu/libgstaudio-1.0.so.0
#38 0x00007fffda94b773 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstvorbis.so
#39 0x00007fffeb7771f8 in ?? () from /usr/lib/x86_64-linux-gnu/libgstaudio-1.0.so.0
#40 0x00007fffeb7775db in ?? () from /usr/lib/x86_64-linux-gnu/libgstaudio-1.0.so.0
#41 0x00007fffeb778825 in ?? () from /usr/lib/x86_64-linux-gnu/libgstaudio-1.0.so.0
#42 0x00007ffff29e858d in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#43 0x00007ffff29ea809 in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#44 0x00007ffff29f1cb2 in gst_pad_push () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#45 0x00007fffdb1c27e0 in ?? () from /usr/lib/x86_64-linux-gnu/gstreamer-1.0/libgstcoreelements.so
#46 0x00007ffff2a210ff in ?? () from /usr/lib/x86_64-linux-gnu/libgstreamer-1.0.so.0
#47 0x00007ffff75596c4 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#48 0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#49 0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#50 0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7fffeb0f2700 (LWP 291069)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7fffd0004ef0) at ../sysdeps/nptl/futex-internal.h:320
#1  do_futex_wait (sem=sem at entry=0x7fffd0004ef0, abstime=0x0, clockid=0) at sem_waitcommon.c:112
#2  0x00007ffff7f99278 in __new_sem_wait_slow (sem=0x7fffd0004ef0, abstime=0x0, clockid=0) at sem_waitcommon.c:184
#3  0x00000000004e35af in PyThread_acquire_lock_timed ()
#4  0x0000000000532a08 in ?? ()
#5  0x000000000051ca69 in ?? ()
#6  0x0000000000505a6c in _PyEval_EvalFrameDefault ()
#7  0x0000000000503df5 in _PyEval_EvalCodeWithName ()
#8  0x000000000051adae in _PyFunction_Vectorcall ()
#9  0x0000000000505a6c in _PyEval_EvalFrameDefault ()
#10 0x0000000000504783 in _PyEval_EvalCodeWithName ()
#11 0x000000000051adae in _PyFunction_Vectorcall ()
#12 0x000000000052c1dd in ?? ()
#13 0x000000000052c6b1 in PyVectorcall_Call ()
#14 0x0000000000507066 in _PyEval_EvalFrameDefault ()
#15 0x000000000051ad20 in _PyFunction_Vectorcall ()
#16 0x0000000000505a6c in _PyEval_EvalFrameDefault ()
#17 0x000000000051ad20 in _PyFunction_Vectorcall ()
#18 0x0000000000505a6c in _PyEval_EvalFrameDefault ()
#19 0x000000000051ad20 in _PyFunction_Vectorcall ()
#20 0x000000000052c1dd in ?? ()
#21 0x000000000052c6b1 in PyVectorcall_Call ()
#22 0x0000000000607148 in ?? ()
#23 0x0000000000604b64 in ?? ()
#24 0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#25 0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7ffff3348700 (LWP 291066)):
#0  0x00007ffff7d1a4bf in __GI___poll (fds=0xe57910, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff752fdce in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff753012b in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff7316746 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7ffff3b49700 (LWP 291065)):
#0  0x00007ffff7d1a4bf in __GI___poll (fds=0xe43d10, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
#1  0x00007ffff752fdce in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff752feef in g_main_context_iteration () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff752ff41 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff7558ddd in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff7f8fea7 in start_thread (arg=<optimized out>) at pthread_create.c:477
#6  0x00007ffff7d24eaf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7ffff7c24740 (LWP 291060)):
#0  0x00007ffff44433cb in gtk_tree_view_column_get_type () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#1  0x00007ffff444652e in gtk_tree_view_column_get_tree_view () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#2  0x00007ffff7fbfccd in ?? () from /usr/lib/x86_64-linux-gnu/libffi.so.7
#3  0x00007ffff7fbf25a in ?? () from /usr/lib/x86_64-linux-gnu/libffi.so.7
#4  0x00007ffff76339d5 in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so
#5  0x00007ffff762a6e8 in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so
#6  0x00007ffff762e3c5 in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so
#7  0x0000000000510513 in _PyObject_MakeTpCall ()
#8  0x000000000050ab23 in _PyEval_EvalFrameDefault ()
#9  0x000000000051ad20 in _PyFunction_Vectorcall ()
#10 0x0000000000505a6c in _PyEval_EvalFrameDefault ()
#11 0x000000000051ad20 in _PyFunction_Vectorcall ()
#12 0x000000000052c1dd in ?? ()
#13 0x000000000052c6b1 in PyVectorcall_Call ()
#14 0x0000000000507066 in _PyEval_EvalFrameDefault ()
#15 0x000000000051ad20 in _PyFunction_Vectorcall ()
#16 0x000000000052c1dd in ?? ()
#17 0x000000000059df53 in PyObject_CallObject ()
#18 0x00007ffff762b30e in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so
#19 0x00007ffff7fbfb02 in ?? () from /usr/lib/x86_64-linux-gnu/libffi.so.7
#20 0x00007ffff7fbfe60 in ?? () from /usr/lib/x86_64-linux-gnu/libffi.so.7
#21 0x00007ffff7530614 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007ffff752fa8f in g_main_context_dispatch () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007ffff752fe38 in ?? () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#24 0x00007ffff753012b in g_main_loop_run () from /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#25 0x00007ffff4300445 in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#26 0x00007ffff7fbfccd in ?? () from /usr/lib/x86_64-linux-gnu/libffi.so.7
#27 0x00007ffff7fbf25a in ?? () from /usr/lib/x86_64-linux-gnu/libffi.so.7
#28 0x00007ffff76339d5 in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so
#29 0x00007ffff762a6e8 in ?? () from /usr/lib/python3/dist-packages/gi/_gi.cpython-38-x86_64-linux-gnu.so
#30 0x0000000000531345 in PyObject_Call ()
#31 0x0000000000507066 in _PyEval_EvalFrameDefault ()
#32 0x0000000000503df5 in _PyEval_EvalCodeWithName ()
#33 0x000000000051adae in _PyFunction_Vectorcall ()
#34 0x000000000050a557 in _PyEval_EvalFrameDefault ()
#35 0x0000000000504783 in _PyEval_EvalCodeWithName ()
#36 0x000000000051adae in _PyFunction_Vectorcall ()
#37 0x0000000000506a35 in _PyEval_EvalFrameDefault ()
#38 0x0000000000504783 in _PyEval_EvalCodeWithName ()
#39 0x000000000051adae in _PyFunction_Vectorcall ()
#40 0x00000000005058a6 in _PyEval_EvalFrameDefault ()
#41 0x0000000000503df5 in _PyEval_EvalCodeWithName ()
#42 0x00000000005cd673 in PyEval_EvalCode ()
#43 0x00000000005eb6a1 in ?? ()
#44 0x00000000005e6bdf in ?? ()
#45 0x00000000005ef537 in PyRun_FileExFlags ()
#46 0x00000000005ef000 in PyRun_SimpleFileExFlags ()
#47 0x00000000005e40c5 in Py_RunMain ()
#48 0x00000000005c29c9 in Py_BytesMain ()
#49 0x00007ffff7c4dcca in __libc_start_main (main=0x5c2990 <main>, argc=3, argv=0x7fffffffe0d8, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, stack_end=0x7fffffffe0c8) at ../csu/libc-start.c:308
#50 0x00000000005c28ca in _start ()
<<< >>>


-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (990, 'testing'), (500, 'unstable'), (500, 'stable'), (500, 'oldstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386, armhf, armel, arm64

Kernel: Linux 5.7.0-2-amd64 (SMP w/8 CPU threads)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE not set
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages quodlibet depends on:
ii  exfalso                      4.3.0-1
ii  gir1.2-gst-plugins-base-1.0  1.16.2-4
ii  gir1.2-gstreamer-1.0         1.16.2-2
ii  gir1.2-keybinder-3.0         0.3.2-1+b1
ii  gstreamer1.0-alsa            1.16.2-4
ii  gstreamer1.0-plugins-base    1.16.2-4
ii  gstreamer1.0-plugins-good    1.16.2-3
ii  gstreamer1.0-plugins-ugly    1.16.2-2.1+b1
ii  gstreamer1.0-pulseaudio      1.16.2-3
ii  python3                      3.8.2-3

Versions of packages quodlibet recommends:
ii  dunst [notification-daemon]          1.4.1-1
ii  gir1.2-gtksource-3.0                 3.24.11-2
ii  gir1.2-webkit2-4.0                   2.28.4-1
ii  gnome-shell [notification-daemon]    3.36.5-1
ii  notification-daemon                  3.20.0-4
ii  python3-dbus                         1.2.16-2
ii  python3-pyinotify                    0.9.6-1.3
ii  xfce4-notifyd [notification-daemon]  0.6.1-1

Versions of packages quodlibet suggests:
ii  gstreamer1.0-plugins-bad  1.16.2-2.3

-- no debconf information



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