https://bugs.freedesktop.org/show_bug.cgi?id=60942
Priority: medium
Bug ID: 60942
Assignee: [email protected]
Summary: Threaded wayland EGL clients stall
Severity: normal
Classification: Unclassified
OS: All
Reporter: [email protected]
Hardware: Other
Status: NEW
Version: unspecified
Component: wayland
Product: Wayland
Created attachment 74924
--> https://bugs.freedesktop.org/attachment.cgi?id=74924&action=edit
Patch to make simple-egl use a separate thread for rendering
I am trying to port a threaded client to wayland but I have run across what I
believe to be a bug. The scenario is:
1) Client starts a rendering thread that handles EGL init
2) Client starts a main loop back in the main thread that calls
wl_display_dispatch()
Expected: EGL calls return and succeed
Actual: EGL calls stall and to do not return
After toying with this a bit, I decided to try making weston's simple-egl
threaded to see what happens. I noticed the same problem. So, I am posting a
patch to have simple-egl run egl setup in a different thread and the backtrace
I get from gdb. I'm not sure if this is a bug in wayland or my code.
I am running latest wayland/mesa/weston stack from git. OS is x86_64. Intel
Sandybridge GPU. Kernel 3.5.0-24-generic.
Thanks.
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