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From: Andrew M. <rb...@gm...> - 2007-09-21 17:52:07
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** I am not a software developer or programmer, so please excuse any technical mistakes below. ** After recently upgrading to the beta release of FC8 (2.6.23), I found that squirrel would no longer display, and would crash with an xlib error: xcb_xlib.c:50: xcb_xlib_unlock: Assertion 'c->xlib.lock' failed. I eventually found that if Xinerama is disabled, all works fine. As soon as Xinerama is enabled, the application immediately crashes. I tried a few things, but ultimately found a workaround as described here: http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6532373 In a nutshell, whenever Xinerama is enabled, libx11 is unable to assert an unlock, and dumps. The following workaround to libmawt.so seems to have worked: For sun-java5-bin: sed -i 's/XINERAMA/FAKEEXTN/g' /usr/lib/jvm/java-1.5.0-sun-1.5.0.11/jre/lib/i386/xawt/libmawt.so For sun-java6-bin: sed -i 's/XINERAMA/FAKEEXTN/g' /usr/lib/jvm/java-6-sun-1.6.0.00/jre/lib/i386/xawt/libmawt.so Good Luck. Andrew Melton |
