hello 

planeshift client 0.5 dev

i get this bt 

Program received signal SIGSEGV, Segmentation fault.
drm_intel_gem_total_fences (bo_array=0x7fffffffcf60, count=4)
    at ../../../libdrm/intel/intel_bufmgr_gem.c:1461
1461	../../../libdrm/intel/intel_bufmgr_gem.c: No such file or directory.
	in ../../../libdrm/intel/intel_bufmgr_gem.c
(gdb) bt full
#0  drm_intel_gem_total_fences (bo_array=0x7fffffffcf60, count=4)
    at ../../../libdrm/intel/intel_bufmgr_gem.c:1461
        bo_gem = 0x3009c0023000000
        total = 2
#1  drm_intel_gem_check_aperture_space (bo_array=0x7fffffffcf60, count=4)
    at ../../../libdrm/intel/intel_bufmgr_gem.c:1565
        bufmgr_gem = 0x1b46180
        total = <value optimized out>
        threshold = <value optimized out>
#2  0x00007fffdc8a2734 in ?? () from /usr/lib/dri/i915_dri.so
No symbol table info available.
#3  0x00007fffdc982d25 in ?? () from /usr/lib/dri/i915_dri.so
No symbol table info available.

kernel 2.6.32-020632rc8-generic
ii  libgl1-mesa-dri                       7.6.0-1ubuntu4  
ii  libdrm-intel1                         2.4.15+git20091119.b4312b63-0ubuntu0tormod~karmic Userspace interface to intel-specific kernel
ii  libdrm-intel1-dbg                     2.4.15+git20091119.b4312b63-0ubuntu0tormod~karmic Userspace interface to intel-specific kernel
ii  xserver-xorg-video-intel              2:2.9.0+git20091111.dbb68168-0ubuntu0sarvatt      X.Org X server -- Intel i8xx, i9xx display d
 VGA compatible controller: Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)

best regards