Topic: locking assertion failure:
This time I was left with a backtrace.. maybe it helps you...
[48372bb5][netclient]: disconnected. reason="(null)"
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 42 (X_SetInputFocus)
Serial number of failed request: 442820
Current serial number in output stream: 442824
Locking assertion failure. Backtrace:
#0 /usr/lib/libxcb-xlib.so.0 [0xb7a47767]
#1 /usr/lib/libxcb-xlib.so.0(xcb_xlib_lock+0x2e) [0xb7a4781e]
#2 /usr/lib/libX11.so.6 [0xb7de4518]
#3 /usr/lib/libGL.so.1 [0xb7d5df9a]
#4 /usr/lib/libGL.so.1(glXMakeCurrentReadSGI+0x130) [0xb7d5e420]
#5 /usr/lib/libGL.so.1(glXMakeCurrent+0x23) [0xb7d5e6e3]
#6 ./teeworlds [0x808b5e7]
#7 ./teeworlds [0x80889a5]
#8 ./teeworlds [0x808d9bb]
#9 ./teeworlds [0x8088f26]
#10 /lib/tls/i686/cmov/libc.so.6(exit+0xd4) [0xb7a7b084]
#11 /usr/lib/libX11.so.6 [0xb7ddd63e]
#12 /usr/lib/libX11.so.6(_XError+0xfe) [0xb7ddd73e]
#13 /usr/lib/libX11.so.6 [0xb7de4e5c]
#14 /usr/lib/libX11.so.6(_XReply+0x15a) [0xb7de521a]
#15 /usr/lib/libGL.so.1(XF86DRIGetDrawableInfo+0x9f) [0xb7d7d4ef]
#16 /usr/lib/dri/i915_dri.so(__driUtilUpdateDrawableInfo+0x142) [0xb77ed002]
#17 /usr/lib/dri/i915_dri.so(intelGetLock+0xe7) [0xb7807857]
#18 /usr/lib/dri/i915_dri.so(intelFlushBatch+0x170) [0xb7809710]
#19 /usr/lib/dri/i915_dri.so(intelWaitForIdle+0x33) [0xb78099f3]
