GLX crash

Yan Seiner yan at seiner.com
Wed May 13 07:19:45 PDT 2009


Can someone explain the two errors below? I'm trying to run flightgear 
and it's crashing with the backtrace below. All I can glean is that I'm 
seeing a GLX failure, but I'm clueless on what it might mean.

yan at selene:~$ fgfs
X Error of failed request: GLXUnsupportedPrivateRequest
Major opcode of failed request: 148 (GLX)
Minor opcode of failed request: 16 (X_GLXVendorPrivate)
Serial number of failed request: 160
Current serial number in output stream: 168
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0x7fcbca1b397c]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x15) [0x7fcbca1b3a15]
#2 /usr/lib/libX11.so.6 [0x7fcbccf66420]
#3 /usr/lib/libX11.so.6(XDefineCursor+0x2a) [0x7fcbccf3c18a]
#4 /usr/lib/libglut.so.3(__glutSetCursor+0x52) [0x7fcbce353c62]
#5 fgfs(_Z16sgMakeRunwaySignP13SGMaterialLibSsSs+0x432) [0x41d692]
#6 /lib/libc.so.6(exit+0x9d) [0x7fcbcb8df9cd]
#7 /usr/lib/libX11.so.6 [0x7fcbccf5f28d]
#8 /usr/lib/libX11.so.6(_XError+0xcc) [0x7fcbccf5f35c]
#9 /usr/lib/libX11.so.6 [0x7fcbccf66d4f]
#10 /usr/lib/libX11.so.6(_XReply+0x18a) [0x7fcbccf670fa]
#11 /usr/lib/libGL.so.1 [0x7fcbcdf30943]
X Error of failed request: BadRequest (invalid request code or no such 
operation)
Major opcode of failed request: 148 (GLX)
Minor opcode of failed request: 179 ()
Serial number of failed request: 161
Current serial number in output stream: 169
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0x7fcbca1b397c]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x15) [0x7fcbca1b3a15]
#2 /usr/lib/libX11.so.6 [0x7fcbccf66420]
#3 /usr/lib/libX11.so.6(XESetCloseDisplay+0x43) [0x7fcbccf48693]
#4 /usr/lib/libGL.so.1 [0x7fcbcdf44d72]
Neoprávněný přístup do paměti (SIGSEGV)

-- 
Yan Seiner 

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