Iain Dooley wrote:
FreeBSD HOSTNAME 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Fri Jan 12 11:05:30
UTC 2007 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/SMP i386
running on dual quad core intel xeons with 4gb ram.
my server has been rebooting quite a bit and stopped responding today. i
found this on the console:
Fatal trap: 12 page fault while in kernel mode
cpuid = 5; apic id = 05
fault virtual address = 0x0
fault code = supervisor write, page not present
instruction pointer = 0x20:0xc0880472
stack pointer = 0x28:0xe6ea9c8c
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = resume, IOPL = 0
current process = 12 (idle: cpu5)
trap number = 12
panic: page fault
cpuid = 5
cannot dump. no dump device specified
i've configured the dump device and will follow the kernel debugging
details in the handbook if it happens again but i thought i'd write in
now in case the cause of the problem jumped out at anyone.
i've run mprime for 24 hours, and memtest for 3 passes, and a script i
wrote which just exhausts ram and CPU, then backs off and does it again
which have been running for 24 hours.
i've also just started running this:
i noticed that the same "fatal trap 12" appeared during stress tests as
any help, guidance or information would be much appreciated.
What you have so far is close to meaningless. The "fault virtual
address = 0x0" means little more than "somewhere in the kernel there was
a null pointer dereference". The fact that it was the idle process is
suspicious though, it suggests that hardware failure is a high
probability. Please follow up with the backtrace if you want to pursue
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