In case it is helpful, I inspected the core dump with gdb, and have
attached the output of the "bt full" command.
Thanks again for your efforts on maintaining this stuff.
Core was generated by `/usr/bin/X11/X -dpi 100 -nolisten tcp'.
Program terminated with signal 6, Aborted.
#0 0x400eb571 in kill () from /lib/libc.so.6
#0 0x400eb571 in kill () from /lib/libc.so.6
No symbol table info available.
#1 0x400eb315 in raise () from /lib/libc.so.6
No symbol table info available.
#2 0x400ec838 in abort () from /lib/libc.so.6
No symbol table info available.
#3 0x0847de7d in ddxGiveUp () at xf86Init.c:1173
i = 1
#4 0x0847df6f in AbortDDX () at xf86Init.c:1224
i = 1
#5 0x08523eb8 in AbortServer () at utils.c:436
No locals.
#6 0x08525bff in FatalError (
f=0x8a89800 "Caught signal %d. Server aborting\n") at utils.c:1421
args = 0xbfffd8a0
beenhere = 1
#7 0x0849a691 in xf86SigHandler (signo=11) at xf86Events.c:1198
No locals.
#8 0x400eb4a8 in __libc_sigaction () from /lib/libc.so.6
No symbol table info available.
#9 0x084dd37d in setup_int (pInt=0x5003) at helper_exec.c:40
No locals.
#10 0x084df3de in xf86ExecX86int10 (pInt=0x5003) at linux_vm86.c:255
sig = 32632
#11 0x084c6ef9 in VBEGetModeInfo (pVbe=0x8bb10e8, mode=0) at vbe.c:524
block = (VbeModeInfoBlock *) 0x0
#12 0x084c7ec4 in CheckMode (pScrn=0x8bafd18, pVbe=0x8bb10e8, vbe=0x8bb1378,
id=0, flags=2) at vbeModes.c:133
major = 3
minor = 0
mode = (VbeModeInfoBlock *) 0x0
pMode = 0x0
p = 0xbfffdcdc
data = (VbeModeInfoData *) 0x8a6cbe0
modeOK = 0
status = MODE_OK
#13 0x084c877c in VBEGetModePool (pScrn=0x8bafd18, pVbe=0x8bb10e8,
vbe=0x8bb1378, modeTypes=2) at vbeModes.c:338
pMode = 0xbfffdcdc
p = 0x0
modePool = 0x0
i = 0
#14 0x082f6186 in I830BIOSPreInit (pScrn=0x8bafd18, flags=0)
at i830_driver.c:1909
hwp = 0x8bb07f0
pI830 = 0x8bb0288
from = X_DEFAULT
defaultWeight = {red = 0, green = 0, blue = 0}
pVbe = 0x8bb10e8
pEnt = 0x8bb07c0
mem = 835580
memsize = 8000
flags24 = 22
i = 1
n = 0
pDDCModule = 0x1
pVBEModule = 0x1
enable = 0
chipname = 0x8a6ba00 "865G"
#15 0x0847cd64 in InitOutput (pScreenInfo=0x8b9a2a0, argc=5, argv=0xbfffde64)
at xf86Init.c:574
i = 0
j = 0
k = 138934016
scr_index = -1073750568
generation = 1
layout = 0x8ba3c30
screenpix24 = 1076695263
pix24 = 2953439000
pix24From = X_DEFAULT
pix24Fail = 0
#16 0x08504c27 in main (argc=5, argv=0xbfffde64, envp=0xbfffde7c) at main.c:361
i = 256
j = 2
k = 2
error = -1073750428
xauthfile = 0xbfffffcf "/root/.Xauthority"
alwaysCheckForInput = {0, 1}