Bug 23815

Trying to run Xvfb in a Fedora package build to provide a local X server for testing.  Running with:

xvfb-run -f /tmp/tmp.SO97KN1qiR -e /dev/stderr ctest -V -E compare

Get:

 19/ 26 Testing examples_bmpqt                                                       
Test command: /bin/bash -c EXAMPLES_DIR=/builddir/build/BUILD/plplot-5.9.5/fedora/examples\ SRC_EXAMPLES_DIR=/builddir/build/BUILD/plplot-5.9.5/examples\ ./plplot-test.sh\ --verbose\ --front-end=c\ --device=bmpqt                                           
Test timeout computed to be: 1500                                    
Testing front-end c                                                  
x01c              
x02c                                  
record: RECORD extension enabled at configure time.         
record: This extension is known to be broken, disabling extension now..  
record: http://bugs.freedesktop.org/show_bug.cgi?id=20500      
SELinux: Invalid object class mapping, disabling SELinux support.
Backtrace:                                       
0: Xvfb (xorg_backtrace+0x28) [0x5519e8]           
1: Xvfb (0x400000+0x155369) [0x555369]                
2: /lib64/libpthread.so.0 (0x2b6924d60000+0xf320) [0x2b6924d6f320]
3: Xvfb (FreeColormap+0xb5) [0x4f4dc5]                    
4: Xvfb (FreeClientResources+0xd3) [0x51d653]               
5: Xvfb (FreeAllResources+0x47) [0x51d717]               
6: Xvfb (0x400000+0xf0572) [0x4f0572]                       
7: /lib64/libc.so.6 (__libc_start_main+0xfd) [0x2b692646bb4d]         
8: Xvfb (0x400000+0x1ae79) [0x41ae79]                         
Segmentation fault at address 0x2                         
Fatal server error:                                        
Caught signal 11 (Segmentation fault). Server aborting         
qt_driver: cannot connect to X server :99                    

Packages:

xorg-x11-server-Xvfb.x86_64 0:1.6.99.900-1.fc12                
xorg-x11-xauth.x86_64 1:1.0.2-7.fc12                           
xorg-x11-font-utils.x86_64 1:7.2-9.fc12                        
xorg-x11-proto-devel.noarch 0:7.4-31.fc12                      
xorg-x11-server-common.x86_64 0:1.6.99.900-1.fc12              
xorg-x11-xkb-utils.x86_64 0:7.4-5.fc12