Hi all, we are running many Debian Linux machines (Lenny, 64 Bit version). Occasionally on one PC a proprietary X-Client application is crashing, printing this into logfile as the very last m essage: ../../src/xcb_lock.c:33: _XCBUnlockDisplay: Assertion `xcb_get_request_sent(dpy->xcb->connection) == dpy->request' failed. The version of the XCB libraries for Debian Lenny are 1.1 : sol3@wks-lnx16:~$ dpkg -l | grep xcb ii libxcb-render-util0 0.2.1+git1-1 utility libraries for X C Binding -- render-util ii libxcb-render0 1.1-1.1 X C Binding, render extension ii libxcb-xlib0 1.1-1.1 X C Binding, Xlib/XCB interface library ii libxcb1 1.1-1.1 X C Binding sol3@wks-lnx16:~$ The X-Server is version 1.4.2, it uses the latest 64 Bit Nvidia driver 177.80 (if this is important for you). The affected X client application is under heavy load (lot of CPU usage in the background and a lot of 2D updates to the X server). Does anybody know what the problem might be? If I ask Mrs. Google just for "XCBUnlockDisplay" I get two(!) replies only :-( ! Any help is welcome, thanks in advance, Joerg.
Hi, we now took the libx11-6 sources from Debian, compiled a new libX11.so.6.2.0 using the configure command "--without-xcb" and adjusted the LD_LIBRARY_PATH to point to this new lib instead of the default one located in /usr/lib/ --> since then our application runs absolutely stable! So there is definately something strange going on with XCB... Kind regards, Joerg.
Sorry to have dropped this report. Since that assertion is gone with the socket-handoff work, which has been in Debian for some time now, has your problem gone away?
bugzilla-daemon@freedesktop.org wrote: > http://bugs.freedesktop.org/show_bug.cgi?id=18063 > > Hi Jamey, since version 1.1-1.2 (shipped with the latest Debian Lenny) it looks like this bug is nearly gone, it happens occasionally only, roughly once every 2 months instead of once of twice a day. Once we have upgraded to the new Debian Squeeze later this year, using xbc-libs 1.4-1 or something, I will let you know the results. Kind regards, Joerg. > Jamey Sharp <jamey@minilop.net> changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > QAContact| |xcb@lists.freedesktop.org > > > > > --- Comment #2 from Jamey Sharp <jamey@minilop.net> 2009-10-09 08:58:02 PST --- > Sorry to have dropped this report. Since that assertion is gone with the > socket-handoff work, which has been in Debian for some time now, has your > problem gone away? > >
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