Date: Mon, 12 Feb 2001 13:57:05 +0000 From: Jonathan Perkin <sketchy@netcraft.com> To: freebsd-stable@freebsd.org Subject: Constantly crashing SMP box Message-ID: <20010212135705.F358@netcraft.com>
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Hey guys,
This is probably a hardware issue, but I need to make sure :/
Box is an ASUS P2B-DS with dual P3/600's and 1Gb of ram. With a UP
kernel, the box is completely stable, but boot an SMP kernel and it
will invariably crash within a couple of minutes.
I've tried two different BIOS revisions (the latest is still nearly a
year old :/) and tweaking MPS configurations in the BIOS to no avail.
The ram is brand new, but the CPU's have been taken from
previously-working boxes.
Here's the crash dump. It happens both on 4.2-RELEASE and -STABLE as
of last Friday. Kernel configuration is basically GENERIC with a lot
of cruft removed as to narrow down the problem (tried various
with/without options, still the same result). mptable looks ok.
jeeves# gdb -k /kernel.debug /var/crash/vmcore.5
GNU gdb 4.18
[...]
This GDB was configured as "i386-unknown-freebsd"...
SMP 2 cpus
IdlePTD 2887680
initial pcb at 2468a0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
mp_lock = 00000003; cpuid = 0; lapic.id = 01000000
fault virtual address = 0x0
fault code = supervisor read, page not present
instruction pointer = 0x8:0x0
stack pointer = 0x10:0xdfaf9c30
frame pointer = 0x10:0xdfaf9c30
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 3800 (cpp)
interrupt mask = net bio cam <- SMP: XXX
trap number = 12
panic: page fault
mp_lock = 00000003; cpuid = 0; lapic.id = 01000000
boot() called on cpu#0
[...]
#0 dumpsys () at ../../kern/kern_shutdown.c:469
469 if (dumping++) {
(kgdb) where
#0 dumpsys () at ../../kern/kern_shutdown.c:469
#1 0xc014efef in boot (howto=256) at ../../kern/kern_shutdown.c:309
#2 0xc014f3b9 in panic (fmt=0xc02204ef "page fault")
at ../../kern/kern_shutdown.c:556
#3 0xc01f1cf8 in trap_fatal (frame=0xdfaf9bf0, eva=0)
at ../../i386/i386/trap.c:951
#4 0xc01f1969 in trap_pfault (frame=0xdfaf9bf0, usermode=0, eva=0)
at ../../i386/i386/trap.c:844
#5 0xc01f14bf in trap (frame={tf_fs = -1062666216, tf_es =
-542179312,
tf_ds = -542179312, tf_edi = 0, tf_esi = -625308436,
tf_ebp = -542139344, tf_isp = -542139364, tf_ebx = 134692864,
tf_edx = -542146560, tf_ecx = 1, tf_eax = 14, tf_trapno = 12,
tf_err = 0, tf_eip = 0, tf_cs = 8, tf_eflags = 66118,
tf_esp = -542139292, tf_ss = -1071714136}) at
../../i386/i386/trap.c:443
#6 0x0 in ?? ()
443 (void) trap_pfault(&frame, FALSE, eva);
--
Jonathan Perkin <sketchy@netcraft.com> +44 (0)1225 867914
Netcraft Ltd, Bradford on Avon, UK - http://www.netcraft.com/
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