FS#12845 - libxcb causes application deadlocks

Attached to Project: Arch Linux
Opened by Julian Scheel (jusst) - Sunday, 18 January 2009, 12:07 GMT
Last edited by Andreas Radke (AndyRTR) - Monday, 26 January 2009, 18:10 GMT
Task Type Bug Report
Category Packages: Extra
Status Closed
Assigned To Jan de Groot (JGC)
Architecture All
Severity High
Priority Normal
Reported Version None
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

The currently used libxcb version 1.1.90 exposes some bugs in it's locking architecture, which can cause deadlocks in applications. Examples are multi threaded media players (ie xine) with xxmc or vdpau video output.
The problem for example is discussed here: http://www.nvnews.net/vbulletin/showthread.php?t=125885

As this problems are fixed with libxcb 1.1.93 where the xlib/xcb connection is reworked, I'd suggest to update the arch packages to 1.1.93. Along with this libx11 needs to be update to 1.1.99 series, too.
I did actually build packages on my system and it runs stable, which is why I suggest a quick update.
This task depends upon

Closed by  Andreas Radke (AndyRTR)
Monday, 26 January 2009, 18:10 GMT
Reason for closing:  Deferred
Comment by Andreas Radke (AndyRTR) - Monday, 26 January 2009, 18:10 GMT
libx11 is a major bump and will be updated when we build the xorg-server 1.6 series. meanwhile live with your selfcompiled packages.

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