[...]
Could not init font path element /usr/share/fonts/OTF, removing from list!

Program received signal SIGABRT, Aborted.
0xffffe430 in __kernel_vsyscall ()
(gdb) bt
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb7c259b0 in raise () from /lib/libc.so.6
#2  0xb7c272e8 in abort () from /lib/libc.so.6
#3  0xb7a6b41d in _fence_wait_internal (bufmgr_fake=0x825f110, seq=4) at intel_bufmgr_fake.c:394
#4  0xb7a6c3a5 in drm_intel_fake_reloc_and_validate_buffer (bo=0x8265c80) at intel_bufmgr_fake.c:1123
#5  0xb7a6c6de in drm_intel_fake_bo_exec (bo=0x8265c80, used=16360, cliprects=0x0, num_cliprects=0, DR4=-1) at intel_bufmgr_fake.c:1354
#6  0xb7a6a34e in drm_intel_bo_exec (bo=0x8265c80, used=16360, cliprects=0x0, num_cliprects=0, DR4=-1) at intel_bufmgr.c:136
#7  0xb7a9ade4 in intel_batch_flush (pScrn=0x822fca8, flushed=0) at i830_batchbuffer.c:191
#8  0xb7ac5130 in I830EXACopy (pDstPixmap=0x827ccd0, src_x1=0, src_y1=0, dst_x1=188, dst_y1=12, w=4, h=4) at i830_batchbuffer.h:50
#9  0xb799f58f in exaFillRegionTiled (pDrawable=0x827db38, pRegion=0x84bcb80, pTile=0x84cefe8, pPatOrg=0x827d540, planemask=4294967295, alu=3)
    at exa_accel.c:1174
#10 0xb799fab8 in exaPolyFillRect (pDrawable=0x827db38, pGC=0x827d518, nrect=1, prect=0x84d4de8) at exa_accel.c:724
#11 0x08173824 in damagePolyFillRect (pDrawable=0x827db38, pGC=0x827d518, nRects=1, pRects=0x84d4de8) at damage.c:1337
#12 0x0810f411 in miPaintWindow (pWin=0x827db38, prgn=0xbfb46708, what=0) at miexpose.c:646
#13 0x0810f782 in miWindowExposures (pWin=0x827db38, prgn=0xbfb46708, other_exposed=0x0) at miexpose.c:517
#14 0xb801f097 in DRIWindowExposures (pWin=0x827db38, prgn=0xbfb46708, bsreg=0x0) at dri.c:1844
#15 0x080b71df in xf86XVWindowExposures (pWin=0x827db38, reg1=0xbfb46708, reg2=0x0) at xf86xv.c:1053
#16 0x08076503 in MapWindow (pWin=0x827db38, client=0x821d900) at window.c:2838
#17 0x080766a0 in InitRootWindow (pWin=0x827db38) at window.c:492
#18 0x08070ce6 in main (argc=1, argv=0xbfb46864, envp=Cannot access memory at address 0xc99
) at main.c:422
(gdb)