Hi,
I rebuilt buici-clock with debugging information turned on, ran it, and
waited for it to hang. When it did, here's the backtrace from gdb.
Any other debugging info I can provide?
Thanks,
Matthew
#0 pthread_cond_wait@@GLIBC_2.3.2 ()
at ../nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:162
#1 0x00007f452804b31e in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#2 0x00007f452804c697 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#3 0x00007f452804c8bb in xcb_wait_for_reply ()
from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#4 0x00007f452804d393 in xcb_get_extension_data ()
from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#5 0x00007f452804d567 in xcb_generate_id ()
from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#6 0x00007f45292d8f9f in _XAllocIDs ()
from /usr/lib/x86_64-linux-gnu/libX11.so.6
#7 0x00007f45292dbb87 in ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
#8 0x00007f4526c8bdc9 in XRenderCreatePicture ()
from /usr/lib/x86_64-linux-gnu/libXrender.so.1
---Type <return> to continue, or q <return> to quit---
#9 0x00007f4528e193a7 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#10 0x00007f4528e1448d in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#11 0x00007f4528dfe4d3 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#12 0x00007f4528dff6d9 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#13 0x00007f4528dae1fe in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#14 0x00007f4528e17b83 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#15 0x00007f4528ded2fe in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#16 0x00007f4528db5925 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#17 0x00007f4528dafcc4 in ?? () from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#18 0x00007f4528da9145 in cairo_stroke ()
from /usr/lib/x86_64-linux-gnu/libcairo.so.2
#19 0x0000000000407bce in draw_hands (display=0x7098b0, visual=0x7144f0,
pixmap=8388619, dx=99, dy=99, seconds=19459) at draw.cc:172
#20 0x0000000000404ed1 in WTopLevel::render (this=0x722240) at clock.cxx:541
#21 0x00000000004063ab in signal_alarm (pv=0x722240) at clock.cxx:965
#22 0x0000000000407117 in LSignal::handler (signal=14) at signal.cxx:215
#23 <signal handler called>
#24 0x00007f452832fdf8 in *__GI___poll (fds=0x7fffc6501510, nfds=1,
timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:83
#25 0x00007f452804b1c2 in ?? () from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#26 0x00007f452804c93f in xcb_wait_for_event ()
from /usr/lib/x86_64-linux-gnu/libxcb.so.1
#27 0x00007f45292d8d88 in _XReadEvents ()
---Type <return> to continue, or q <return> to quit---
from /usr/lib/x86_64-linux-gnu/libX11.so.6
#28 0x00007f45292c80a8 in XNextEvent ()
from /usr/lib/x86_64-linux-gnu/libX11.so.6
#29 0x0000000000409114 in LDisplay::next_event (this=0x7fffc65016f0,
pEvent=0x7fffc6501600) at ldisplay.h:153
#30 0x00000000004085a7 in LDisplay::dispatch_next_event
(this=0x7fffc65016f0)
at ldisplay.cxx:62
#31 0x00000000004062cc in do_clock () at clock.cxx:946
#32 0x00000000004036b5 in main (argc=3, argv=0x7fffc6501938) at main.cxx:140
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