We had to pull this, unfortunately there's a seldom, but still, deadlock
when using this approach:
Thread 9 (Thread 0xaebff450 (LWP 15260)):
#0 0xb603f554 in __libc_do_syscall () from
/lib/arm-linux-gnueabihf/libpthread.so.0
#1 0xb603b192 in pthread_cond_wait@@GLIBC_2.4 () from
/lib/arm-linux-gnueabihf/libpthread.so.0
#2 0xb63b3794 in QWaitCondition::wait(QMutex*, unsigned long) ()
from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#3 0xb63aed2e in QSemaphore::acquire(int) () from
/usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#4 0xb6525436 in QMetaObject::activate(QObject*, int, int, void**) ()
from /usr/lib/arm-linux-gnueabihf/libQt5Core.so.5
#5 0xb4001384 in
MirPlacementStrategy::sessionAboutToCreateSurface(mir::scene::Session const&,
QSize&) ()
from /usr/lib/arm-linux-gnueabihf/qt5/plugins/platforms/libqpa-mirserver.so
#6 0xb3ff239e in MirPlacementStrategy::place(mir::scene::Session const&,
mir::scene::SurfaceCreationParameters const&) () from
/usr/lib/arm-linux-gnueabihf/qt5/plugins/platforms/libqpa-mirserver.so
#7 0xb3e96f3e in
mir::scene::SurfaceController::add_surface(mir::scene::SurfaceCreationParameters
const&, mir::scene::Session*) () from
/usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#8 0xb3e81646 in
mir::scene::ApplicationSession::create_surface(mir::scene::SurfaceCreationParameters
const&)
() from /usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#9 0xb3eb2a5c in
mir::frontend::SessionMediator::create_surface(google::protobuf::RpcController*,
mir::protobuf::SurfaceParameters const*, mir::protobuf::Surface*,
google::protobuf::Closure*) ()
from /usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#10 0xb3eb6228 in void
mir::frontend::detail::invoke<mir::frontend::detail::ProtobufMessageProcessor,
mir::frontend::detail::DisplayServer, mir::protobuf::DisplayServer,
mir::protobuf::SurfaceParameters,
mir::protobuf::Surface>(mir::frontend::detail::ProtobufMessageProcessor*,
mir::frontend::detail::DisplayServer*, void
(mir::protobuf::DisplayServer::*)(google::protobuf::RpcController*,
mir::protobuf::SurfaceParameters const*, mir::protobuf::Surface*,
google::protobuf::Closure*), mir::frontend::detail::Invocation const&) ()
from /usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#11 0xb3eb4f6a in
mir::frontend::detail::ProtobufMessageProcessor::dispatch(mir::frontend::detail::Invocation
const&) () from /usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#12 0xb3ebb44c in
mir::frontend::detail::SocketConnection::on_new_message(boost::system::error_code
const&) ()
from /usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#13 0xb3ebb732 in
mir::frontend::detail::SocketConnection::on_read_size(boost::system::error_code
const&) ()
from /usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#14 0xb3ebd75a in
boost::asio::detail::reactive_socket_recv_op<boost::asio::mutable_buffers_1,
boost::asio::detail::read_op<boost::asio::basic_stream_socket<boost::asio::local::stream_protocol,
boost::asio::stream_socket_service<boost::asio::local::stream_protocol> >,
boost::asio::mutable_buffers_1, boost::asio::detail::transfer_exactly_t,
std::function<void (boost::system::error_code const&, unsigned int)> >
>::do_complete(boost::asio::detail::task_io_service*,
boost::asio::detail::task_io_service_operation*, boost::system::error_code
const&, unsigned int)
() from /usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#15 0xb3e697c6 in
boost::asio::detail::task_io_service::run(boost::system::error_code&) ()
from /usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#16 0xb3eb861c in ?? () from /usr/lib/arm-linux-gnueabihf/libmirserver.so.24
#17 0xb630c360 in ?? () from /usr/lib/arm-linux-gnueabihf/libstdc++.so.6
#18 0xb6037f98 in start_thread () from /lib/arm-linux-gnueabihf/libpthread.so.0
#19 0xb61fe7cc in ?? () from /lib/arm-linux-gnueabihf/libc.so.6
Backtrace stopped: previous frame identical to this frame (corrupt stack?)
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1352845
Title:
Initial surface size not decided by shell, but guessed by qtmir
To manage notifications about this bug go to:
https://bugs.launchpad.net/qtmir/+bug/1352845/+subscriptions
--
ubuntu-bugs mailing list
[email protected]
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
