https://git.launchpad.net/~xmir-team/xorg- server/+git/xmir/commit/?id=0254dc74125999f9375bbe63e2b5295eceaae2b5
** Changed in: xorg-server (Ubuntu) Status: New => Fix Committed ** Changed in: xorg-server (Ubuntu) Assignee: (unassigned) => Daniel van Vugt (vanvugt) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg-server in Ubuntu. https://bugs.launchpad.net/bugs/1680378 Title: Xmir hangs in mir_buffer_stream_get_graphics_region() from xmir_input_set_cursor() Status in Mir: New Status in xorg-server package in Ubuntu: Fix Committed Bug description: Xmir freezes in mir_buffer_stream_get_graphics_region() from xmir_input_set_cursor() Seems to happen a lot when testing Firefox and Chrome when entering/leaving the address bar... (gdb) bt #0 pthread_cond_wait@@GLIBC_2.3.2 () at ../sysdeps/unix/sysv/linux/x86_64/pthread_cond_wait.S:185 #1 0x00007f5ea91e3c5c in std::condition_variable::wait(std::unique_lock<std::mutex>&) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6 #2 0x00007f5eac25b6b2 in std::condition_variable::wait<mir::client::PromiseStateBase<std::shared_ptr<mir::client::MirBuffer> >::ReadLock::ReadLock(mir::client::PromiseStateBase<std::shared_ptr<mir::client::MirBuffer> >&)::{lambda()#1}>(std::unique_lock<std::mutex>&, mir::client::PromiseStateBase<std::shared_ptr<mir::client::MirBuffer> >::ReadLock::ReadLock(mir::client::PromiseStateBase<std::shared_ptr<mir::client::MirBuffer> >&)::{lambda()#1}) () at /usr/include/c++/6/condition_variable:99 #3 __base_ctor (parent=..., this=0x7fff74877420) at ./src/client/no_tls_future-inl.h:136 #4 mir::client::PromiseStateBase<std::shared_ptr<mir::client::MirBuffer> >::ensure_read_context() () at ./src/client/no_tls_future-inl.h:152 #5 get_value (this=0x55de6688f830) at ./src/client/no_tls_future-inl.h:223 #6 get (this=0x7f5e9c008160) at ./src/client/no_tls_future-inl.h:354 #7 mir::client::BufferDepository::advance_current_buffer(std::unique_lock<std::mutex>&) (this=this@entry=0x7f5e9c008160, lk=...) at ./src/client/buffer_stream.cpp:166 #8 0x00007f5eac25f9ed in current_buffer_id (this=<optimised out>) at ./src/client/buffer_stream.cpp:183 #9 get_current_buffer (this=0x7f5e9c007f40) at ./src/client/buffer_stream.cpp:400 #10 0x00007f5eac25f517 in secure_for_cpu_write (this=0x7f5e9c007f40) at ./src/client/buffer_stream.cpp:419 #11 0x00007f5eac263f28 in mir_buffer_stream_get_graphics_region ( buffer_stream=buffer_stream@entry=0x7f5e9c007f48, region_out=region_out@entry=0x7fff748775d0) at ./src/client/mir_buffer_stream_api.cpp:149 #12 0x000055de647da90e in xmir_input_set_cursor (cursor=0x55de6687ff60, xmir_input=<optimised out>, xmir_input=<optimised out>) at xmir-cursor.c:108 #13 0x000055de64829eab in miPointerUpdateSprite (pDev=0x55de66621c10) at mipointer.c:468 #14 0x000055de6482a0fa in miPointerDisplayCursor (pDev=0x55de66621c10, pScreen=0x55de65c775b0, pCursor=0x55de6687ff60) at mipointer.c:206 #15 0x000055de64816bf1 in CursorDisplayCursor (pDev=0x55de66621c10, pScreen=0x55de65c775b0, pCursor=0x55de6687ff60) at cursor.c:150 #16 0x000055de6489f4e0 in AnimCurDisplayCursor (pDev=0x55de66621c10, pScreen=0x55de65c775b0, pCursor=0x55de6687ff60) at animcur.c:220 #17 0x000055de64910cc8 in ChangeToCursor (pDev=0x55de66621c10, cursor=0x55de6687ff60) at events.c:937 #18 0x000055de64912107 in WindowHasNewCursor (pWin=pWin@entry=0x55de66840be0) at events.c:3369 #19 0x000055de64939740 in ChangeWindowAttributes (pWin=0x55de66840be0, vmask=<optimised out>, vlist=vlist@entry=0x55de6690e17c, client=client@entry=0x55de667e37e0) at window.c:1561 #20 0x000055de64901bed in ProcChangeWindowAttributes (client=0x55de667e37e0) at dispatch.c:726 #21 0x000055de64907ed5 in Dispatch () at dispatch.c:479 #22 0x000055de6490be58 in dix_main (argc=6, argv=0x7fff74877a58, envp=<optimised out>) at main.c:287 #23 0x00007f5eaa4bf3f1 in __libc_start_main (main=0x55de647d5f70 <main>, argc=6, argv=0x7fff74877a58, init=<optimised out>, fini=<optimised out>, rtld_fini=<optimised out>, stack_end=0x7fff74877a48) at ../csu/libc-start.c:291 #24 0x000055de647d5faa in _start () To manage notifications about this bug go to: https://bugs.launchpad.net/mir/+bug/1680378/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp