# gdb --pid 630286 Attaching to process 630286 [New LWP 630330] [New LWP 630331] [New LWP 630359] [New LWP 630361] [New LWP 694730] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". 0x00007f9f18e7a3ff in __GI___poll (fds=0x7ffe96517aa8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 29 ../sysdeps/unix/sysv/linux/poll.c: No such file or directory. (gdb) (gdb) thr app all bt Thread 6 (Thread 0x7f9f12eae700 (LWP 694730) "/opt/xpra/usr/b"): #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7f9edc171860) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x7f9edc171860, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f9f190fb278 in __new_sem_wait_slow (sem=0x7f9edc171860, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00000000004f109f in PyThread_acquire_lock_timed () #4 0x0000000000541c8b in () #5 0x000000000052ad36 in () #6 0x0000000000512192 in _PyEval_EvalFrameDefault () #7 0x00000000005106ed in () #8 0x0000000000528d21 in _PyFunction_Vectorcall () #9 0x0000000000512192 in _PyEval_EvalFrameDefault () #10 0x00000000005106ed in () #11 0x0000000000528d21 in _PyFunction_Vectorcall () #12 0x0000000000512192 in _PyEval_EvalFrameDefault () #13 0x0000000000528b63 in _PyFunction_Vectorcall () #14 0x000000000053bdb1 in () #15 0x0000000000513e8b in _PyEval_EvalFrameDefault () #16 0x0000000000528b63 in _PyFunction_Vectorcall () #17 0x0000000000512192 in _PyEval_EvalFrameDefault () #18 0x0000000000528b63 in _PyFunction_Vectorcall () #19 0x0000000000512192 in _PyEval_EvalFrameDefault () #20 0x0000000000528b63 in _PyFunction_Vectorcall () #21 0x000000000053bdb1 in () #22 0x00000000006430b6 in () #23 0x000000000063b164 in () #24 0x00007f9f190f1ea7 in start_thread (arg=) at pthread_create.c:477 #25 0x00007f9f18e84def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 5 (Thread 0x7f9f10d80700 (LWP 630361) "/opt/xpra/usr/b"): --Type for more, q to quit, c to continue without paging--c #0 futex_abstimed_wait_cancelable (private=0, abstime=0x0, clockid=0, expected=0, futex_word=0x7f9ef4018920) at ../sysdeps/nptl/futex-internal.h:323 #1 do_futex_wait (sem=sem@entry=0x7f9ef4018920, abstime=0x0, clockid=0) at sem_waitcommon.c:112 #2 0x00007f9f190fb278 in __new_sem_wait_slow (sem=0x7f9ef4018920, abstime=0x0, clockid=0) at sem_waitcommon.c:184 #3 0x00000000004f109f in PyThread_acquire_lock_timed () #4 0x0000000000541c8b in () #5 0x000000000052ad36 in () #6 0x0000000000512192 in _PyEval_EvalFrameDefault () #7 0x00000000005106ed in () #8 0x0000000000528d21 in _PyFunction_Vectorcall () #9 0x0000000000512192 in _PyEval_EvalFrameDefault () #10 0x00000000005106ed in () #11 0x0000000000528d21 in _PyFunction_Vectorcall () #12 0x0000000000512192 in _PyEval_EvalFrameDefault () #13 0x0000000000528b63 in _PyFunction_Vectorcall () #14 0x0000000000512192 in _PyEval_EvalFrameDefault () #15 0x0000000000528b63 in _PyFunction_Vectorcall () #16 0x0000000000512192 in _PyEval_EvalFrameDefault () #17 0x0000000000528b63 in _PyFunction_Vectorcall () #18 0x000000000053bdb1 in () #19 0x00000000006430b6 in () #20 0x000000000063b164 in () #21 0x00007f9f190f1ea7 in start_thread (arg=) at pthread_create.c:477 #22 0x00007f9f18e84def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 4 (Thread 0x7f9f11ee0700 (LWP 630359) "/opt/xpra/usr/b"): #0 0x00007f9f18e7a3ff in __GI___poll (fds=0x7f9f145bbcf0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00000000006585a1 in () #2 0x000000000053cc2b in () #3 0x0000000000512192 in _PyEval_EvalFrameDefault () #4 0x00000000005106ed in () #5 0x0000000000528d21 in _PyFunction_Vectorcall () #6 0x0000000000512192 in _PyEval_EvalFrameDefault () #7 0x0000000000528b63 in _PyFunction_Vectorcall () #8 0x0000000000512192 in _PyEval_EvalFrameDefault () #9 0x0000000000528b63 in _PyFunction_Vectorcall () #10 0x0000000000512192 in _PyEval_EvalFrameDefault () #11 0x0000000000528b63 in _PyFunction_Vectorcall () #12 0x0000000000512192 in _PyEval_EvalFrameDefault () #13 0x0000000000528b63 in _PyFunction_Vectorcall () #14 0x000000000053bdb1 in () #15 0x00000000006430b6 in () #16 0x000000000063b164 in () #17 0x00007f9f190f1ea7 in start_thread (arg=) at pthread_create.c:477 #18 0x00007f9f18e84def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 3 (Thread 0x7f9f138a1700 (LWP 630331) "gdbus"): #0 0x00007f9f18e7a3ff in __GI___poll (fds=0x2adfbe0, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f9f1744c0ae in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9f1744c40b in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9f1722ca36 in () at /lib/x86_64-linux-gnu/libgio-2.0.so.0 #4 0x00007f9f174750bd in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f9f190f1ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f9f18e84def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f9f140a2700 (LWP 630330) "gmain"): #0 0x00007f9f18e7a3ff in __GI___poll (fds=0x2acfdf0, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f9f1744c0ae in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #2 0x00007f9f1744c1cf in g_main_context_iteration () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #3 0x00007f9f1744c221 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #4 0x00007f9f174750bd in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #5 0x00007f9f190f1ea7 in start_thread (arg=) at pthread_create.c:477 #6 0x00007f9f18e84def in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f9f18d84740 (LWP 630286) "/opt/xpra/usr/b"): #0 0x00007f9f18e7a3ff in __GI___poll (fds=0x7ffe96517aa8, nfds=1, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29 #1 0x00007f9f186c2d02 in () at /lib/x86_64-linux-gnu/libxcb.so.1 #2 0x00007f9f186c4d7f in () at /lib/x86_64-linux-gnu/libxcb.so.1 #3 0x00007f9f186c4ef2 in xcb_wait_for_reply64 () at /lib/x86_64-linux-gnu/libxcb.so.1 #4 0x00007f9f187254f8 in _XReply () at /lib/x86_64-linux-gnu/libX11.so.6 #5 0x00007f9f18720e2b in XSync () at /lib/x86_64-linux-gnu/libX11.so.6 #6 0x00007f9f156ebdef in () at /lib/x86_64-linux-gnu/libgdk-3.so.0 #7 0x00007f9f156bb9bf in () at /lib/x86_64-linux-gnu/libgdk-3.so.0 #8 0x00007f9f17ad8d1d in () at /lib/x86_64-linux-gnu/libffi.so.7 #9 0x00007f9f17ad8289 in () at /lib/x86_64-linux-gnu/libffi.so.7 #10 0x00007f9f17550975 in () at /usr/lib/python3/dist-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so #11 0x00007f9f17547698 in () at /usr/lib/python3/dist-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so #12 0x000000000051d89b in _PyObject_MakeTpCall () #13 0x00000000005175ba in _PyEval_EvalFrameDefault () #14 0x00000000005106ed in () #15 0x0000000000528d21 in _PyFunction_Vectorcall () #16 0x0000000000512192 in _PyEval_EvalFrameDefault () #17 0x0000000000528b63 in _PyFunction_Vectorcall () #18 0x000000000053bcfb in () #19 0x0000000000511fb5 in _PyEval_EvalFrameDefault () #20 0x00000000005106ed in () #21 0x0000000000528d21 in _PyFunction_Vectorcall () #22 0x000000000053bdb1 in () #23 0x0000000000513e8b in _PyEval_EvalFrameDefault () #24 0x00000000005106ed in () #25 0x0000000000528d21 in _PyFunction_Vectorcall () #26 0x000000000053bdb1 in () #27 0x0000000000513e8b in _PyEval_EvalFrameDefault () #28 0x00000000005106ed in () #29 0x0000000000528d21 in _PyFunction_Vectorcall () #30 0x000000000053bdb1 in () #31 0x0000000000513e8b in _PyEval_EvalFrameDefault () #32 0x00000000005106ed in () #33 0x0000000000528d21 in _PyFunction_Vectorcall () #34 0x000000000053bdb1 in () #35 0x0000000000513e8b in _PyEval_EvalFrameDefault () #36 0x00000000005106ed in () #37 0x0000000000528d21 in _PyFunction_Vectorcall () #38 0x000000000053bdb1 in () #39 0x0000000000513e8b in _PyEval_EvalFrameDefault () #40 0x0000000000528b63 in _PyFunction_Vectorcall () #41 0x000000000053bcfb in () #42 0x0000000000511fb5 in _PyEval_EvalFrameDefault () #43 0x0000000000510fe7 in () #44 0x0000000000528d21 in _PyFunction_Vectorcall () #45 0x00007f9f175482ce in () at /usr/lib/python3/dist-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so #46 0x00007f9f17ad8b4a in () at /lib/x86_64-linux-gnu/libffi.so.7 #47 0x00007f9f17ad8eb0 in () at /lib/x86_64-linux-gnu/libffi.so.7 #48 0x00007f9f1744bd6f in g_main_context_dispatch () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #49 0x00007f9f1744c118 in () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #50 0x00007f9f1744c40b in g_main_loop_run () at /lib/x86_64-linux-gnu/libglib-2.0.so.0 #51 0x00007f9f14ba0a55 in gtk_main () at /lib/x86_64-linux-gnu/libgtk-3.so.0 #52 0x00007f9f17ad8d1d in () at /lib/x86_64-linux-gnu/libffi.so.7 #53 0x00007f9f17ad8289 in () at /lib/x86_64-linux-gnu/libffi.so.7 #54 0x00007f9f17550975 in () at /usr/lib/python3/dist-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so #55 0x00007f9f17547698 in () at /usr/lib/python3/dist-packages/gi/_gi.cpython-39-x86_64-linux-gnu.so #56 0x000000000053c3c9 in PyObject_Call () #57 0x0000000000513e8b in _PyEval_EvalFrameDefault () #58 0x00000000005106ed in () #59 0x0000000000528d21 in _PyFunction_Vectorcall () #60 0x0000000000516e76 in _PyEval_EvalFrameDefault () #61 0x0000000000528b63 in _PyFunction_Vectorcall () #62 0x0000000000512192 in _PyEval_EvalFrameDefault () #63 0x0000000000528b63 in _PyFunction_Vectorcall () #64 0x0000000000512192 in _PyEval_EvalFrameDefault () #65 0x0000000000510fe7 in () #66 0x0000000000528d21 in _PyFunction_Vectorcall () #67 0x0000000000511fb5 in _PyEval_EvalFrameDefault () #68 0x0000000000510fe7 in () #69 0x0000000000528d21 in _PyFunction_Vectorcall () #70 0x0000000000511fb5 in _PyEval_EvalFrameDefault () #71 0x0000000000528b63 in _PyFunction_Vectorcall () #72 0x0000000000511fb5 in _PyEval_EvalFrameDefault () #73 0x0000000000528b63 in _PyFunction_Vectorcall () #74 0x0000000000511fb5 in _PyEval_EvalFrameDefault () #75 0x0000000000528b63 in _PyFunction_Vectorcall () #76 0x0000000000511fb5 in _PyEval_EvalFrameDefault () #77 0x0000000000528b63 in _PyFunction_Vectorcall () #78 0x0000000000511fb5 in _PyEval_EvalFrameDefault () #79 0x00000000005106ed in () #80 0x0000000000510497 in _PyEval_EvalCodeWithName () #81 0x00000000005f5be3 in PyEval_EvalCode () #82 0x0000000000619de7 in () #83 0x0000000000615610 in () #84 0x0000000000619d79 in () #85 0x0000000000619816 in PyRun_SimpleFileExFlags () #86 0x000000000060d4e3 in Py_RunMain () #87 0x00000000005ea6e9 in Py_BytesMain () #88 0x00007f9f18dadd0a in __libc_start_main (main=0x5ea6b0, argc=11, argv=0x7ffe9651b628, init=, fini=, rtld_fini=, stack_end=0x7ffe9651b618) at ../csu/libc-start.c:308 #89 0x00000000005ea5ea in _start () (gdb) q