Running Xorg manually then starting xterm:

Backtrace:
0: Xorg(xf86SigHandler+0x84) [0x80bfea4]
1: [0xb7f6b420]
2: /usr/fdo/lib/xorg/modules//libexa.so(exaWaitSync+0x52) [0xb7b27202]
3: /usr/fdo/lib/xorg/modules//libexa.so(exaPrepareAccess+0x62) [0xb7b279d2]
4: /usr/fdo/lib/xorg/modules//libexa.so [0xb7b27d01]
5: Xorg(miImageText8+0x83) [0x8115d23]
6: Xorg [0x81593ac]
7: Xorg(doImageText+0x1cb) [0x808941b]
8: Xorg(ImageText+0x74) [0x80895b4]
9: Xorg(ProcImageText8+0x10f) [0x8083aff]
10: Xorg(Dispatch+0x19b) [0x80868cb]
11: Xorg(main+0x489) [0x806e319]
12: /lib/libc.so.6(__libc_start_main+0xd8) [0xb7d24808]
13: Xorg(FontFileCompleteXLFD+0xa1) [0x806d651]


Running Xorg with debug script:

Program received signal SIGSEGV, Segmentation fault.
0xb7c0deea in TXSync (pScrn=0x81efe70) at tx_accel.c:220
220         CHECKCLIPPING;
(gdb) Undefined command: "module".  Try "help".
(gdb) #0  0xb7c0deea in TXSync (pScrn=0x81efe70) at tx_accel.c:220
#1  0xb7b38202 in exaWaitSync (pScreen=0xb7b3ea80) at exa.c:718
#2  0xb7b389d2 in exaPrepareAccess (pDrawable=0x827bef0, index=0) at exa.c:312
#3  0xb7b38d01 in exaImageGlyphBlt (pDrawable=0x827bef0, pGC=0x82783d0, x=2,
    y=13, nglyph=1, ppciInit=0xbf85e37c, pglyphBase=0x0) at exa_accel.c:885
#4  0x08115d23 in miImageText8 (pDraw=0x827bef0, pGC=0x82783d0, x=2, y=13,
    count=1, chars=0x82833f0 " OLSA\001\b") at mipolytext.c:179
#5  0x081593ac in damageImageText8 (pDrawable=0x827bef0, pGC=0x82783d0, x=2,
    y=13, count=1, chars=0x82833f0 " OLSA\001\b") at damage.c:1427
#6  0x0808941b in doImageText (client=0x8286408, c=0xbf85e810)
    at dixfonts.c:1549
#7  0x080895b4 in ImageText (client=0x8286408, pDraw=0x827bef0,
    pGC=0xb7b3ea80, nChars=1, data=0x82833f0 " OLSA\001\b", xorg=2, yorg=13,
    reqType=<value optimized out>, did=2097173) at dixfonts.c:1600
#8  0x08083aff in ProcImageText8 (client=0x8286408) at dispatch.c:2366
#9  0x080868cb in Dispatch () at dispatch.c:454
#10 0x0806e319 in main (argc=1, argv=0xbf85edc4, envp=0xe8f85d89) at main.c:444
(gdb) Continuing.

Backtrace:
0: /usr/fdo/bin/Xorg(xf86SigHandler+0x84) [0x80bfea4]
1: [0xb7f7c420]
2: /usr/fdo/lib/xorg/modules//libexa.so(exaWaitSync+0x52) [0xb7b38202]
3: /usr/fdo/lib/xorg/modules//libexa.so(exaPrepareAccess+0x62) [0xb7b389d2]
4: /usr/fdo/lib/xorg/modules//libexa.so [0xb7b38d01]
5: /usr/fdo/bin/Xorg(miImageText8+0x83) [0x8115d23]
6: /usr/fdo/bin/Xorg [0x81593ac]
7: /usr/fdo/bin/Xorg(doImageText+0x1cb) [0x808941b]
8: /usr/fdo/bin/Xorg(ImageText+0x74) [0x80895b4]
9: /usr/fdo/bin/Xorg(ProcImageText8+0x10f) [0x8083aff]
10: /usr/fdo/bin/Xorg(Dispatch+0x19b) [0x80868cb]
11: /usr/fdo/bin/Xorg(main+0x489) [0x806e319]
12: /lib/libc.so.6(__libc_start_main+0xd8) [0xb7d35808]
13: /usr/fdo/bin/Xorg(FontFileCompleteXLFD+0xa1) [0x806d651]

Fatal server error:
Caught signal 11.  Server aborting