Xorg 7.3 execution brings crash and rebooting

[John E Hein]

SUNGBAK KIM wrote at 09:38 +0900 on Nov  8, 2007:
 > Hi?  Im using FreeBSD Sparc64,  Ultra60
 > 
 > FreeBSD 6.3-PRERELEASE #0: Tue Nov  6 20:43:14 KST 2007
 >     root at xxx.yyy.com:/usr/obj/usr/src/sys/GENERIC
 > real memory  = 536870912 (512 MB)
 > avail memory = 510672896 (487 MB)
 > cpu0: Sun Microsystems UltraSparc-II Processor (450.04 MHz CPU)
 > cpu1: Sun Microsystems UltraSparc-II Processor (450.04 MHz CPU)
 > FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 > 
 > I had troubled Xorg 7.2 with keymap, non-USB type6 Korean Layout . so, 
 > updated all ports tree and installed Xorg 7.3, 
 > 
 > but, Any form of Xorg 7.3 execution brings crash and rebooting.
[snip]
 > What is worse, there are no error or warning message. The moment, when I 
 > do "Enter" with "Xorg -configure", system goes rebooting.
 > 
 > What can I do more ?

Sounds like a kernel panic.  See methods for determining why in the
kernel debugging section of the handbook.

You could also try to identify which xorg port change triggers the
panic (likely the driver, the server or dri).