** Also affects: mir (Ubuntu)
Importance: Undecided
Status: New
** Changed in: mir (Ubuntu)
Status: New => Triaged
** Changed in: mir (Ubuntu)
Importance: Undecided => High
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https://bugs.launchpad.net/bugs/1662997
Title:
[regression] mirscreencast hangs during screencast creation
Status in Mir:
Fix Committed
Status in Mir 0.26 series:
Fix Committed
Status in mir package in Ubuntu:
Triaged
Bug description:
hmm, sometime between 3980 and tip, mirscreencast started hanging
during screencast creation. Bound to generate some complaints.
Thread 1 "mirscreencast.b" received signal SIGTSTP, Stopped (user).
pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
185 ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S: No such file or
directory.
(gdb) bt
#0 pthread_cond_wait@@GLIBC_2.3.2 () at
../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185
#1 0x00007ffff7449afc in
std::condition_variable::wait(std::unique_lock<std::mutex>&) ()
from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
#2 0x00007ffff7ea131a in
std::condition_variable::wait<MirWaitHandle::wait_for_all()::<lambda()>
>(std::unique_lock<std::mutex> &, MirWaitHandle::<lambda()>)
(this=0x5555555da6d0, __lock=..., __p=...)
at /usr/include/c++/6/condition_variable:99
#3 0x00007ffff7ea1061 in MirWaitHandle::wait_for_all (this=0x5555555da6a8)
at /home/kdub/source/mir/mir/src/client/mir_wait_handle.cpp:53
#4 0x00007ffff7ee5420 in (anonymous namespace)::create_screencast
(spec=0x5555555d9bf0)
at /home/kdub/source/mir/mir/src/client/mir_screencast_api.cpp:38
#5 0x00007ffff7ee5631 in mir_screencast_create_sync (spec=0x5555555d9bf0)
at /home/kdub/source/mir/mir/src/client/mir_screencast_api.cpp:90
#6 0x0000555555591430 in main (argc=3, argv=0x7fffffffe478)
at /home/kdub/source/mir/mir/src/utils/screencast.cpp:568
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