Thanks for the response!
OK, I tried this again using a new vmcore and got something more useful:
Unread portion of the kernel message buffer:
sis0: discard frame w/o packet header
Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address = 0xbfc04000
fault code = supervisor read, page not present
instruction pointer = 0x20:0xc0a31f3a
stack pointer = 0x28:0xe3fbbbd4
frame pointer = 0x28:0xe3fbbc14
code segment= base 0x0, limit 0xf, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags= interrupt enabled, resume, IOPL = 0
current process = 34 (irq19: sis0)
trap number = 12
panic: page fault
cpuid = 0
Uptime: 2h37m48s
Physical memory: 977 MB
Dumping 164 MB: 149 133 117 101 85 69 53 37 21 5
#0 doadump () at pcpu.h:195
195 __asm __volatile(movl %%fs:0,%0 : =r (td));
The network card is being detected as an SiS 900:
Jun 6 10:03:36 odin2008 kernel: sis0: SiS 900 10/100BaseTX port
0x2000-0x20ff mem 0x4a10-0x4a100fff irq 19 at device 4.0 on pci0
Jun 6 10:03:36 odin2008 kernel: miibus0: MII bus on sis0
Jun 6 10:03:36 odin2008 kernel: sis0: Ethernet address: 00:1c:c0:2e:ee:ad
Jun 6 10:03:36 odin2008 kernel: sis0: [ITHREAD]
Has anyone had any good experiences with this chipset? I can find a few
people with similar problems dating back to 2002, but none recently. It's
on the supported hardware list. Any ideas as to a fix or workaround?
Thanks,
Mark
Backtrace:
(kgdb) bt
#0 doadump () at pcpu.h:195
#1 0xc0757727 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:409
#2 0xc07579e9 in panic (fmt=Variable fmt is not available.
) at /usr/src/sys/kern/kern_shutdown.c:563
#3 0xc0a4c32c in trap_fatal (frame=0xe3fbbb94, eva=3217047552)
at /usr/src/sys/i386/i386/trap.c:899
#4 0xc0a4c5b0 in trap_pfault (frame=0xe3fbbb94, usermode=0, eva=3217047552)
at /usr/src/sys/i386/i386/trap.c:812
#5 0xc0a4cf5c in trap (frame=0xe3fbbb94) at
/usr/src/sys/i386/i386/trap.c:490
#6 0xc0a32edb in calltrap () at /usr/src/sys/i386/i386/exception.s:139
#7 0xc0a31f3a in bus_dmamap_load (dmat=0xc3fda280, map=0xc0bfe140,
buf=0x100, buflen=2048, callback=0xc0909410 sis_dma_map_desc_ptr,
callback_arg=0xc3f6c378, flags=0) at pmap.h:218
#8 0xc09098ff in sis_newbuf (sc=0xc3fdd300, c=0xc3f6c378, m=0xc427)
at /usr/src/sys/pci/if_sis.c:1384
#9 0xc090b69d in sis_rxeof (sc=0xc3fdd300) at
/usr/src/sys/pci/if_sis.c:1438
#10 0xc090b993 in sis_intr (arg=0xc3fdd300) at
/usr/src/sys/pci/if_sis.c:1662
#11 0xc073a94b in ithread_loop (arg=0xc3fcd790)
at /usr/src/sys/kern/kern_intr.c:1036
#12 0xc0737749 in fork_exit (callout=0xc073a7a0 ithread_loop,
arg=0xc3fcd790, frame=0xe3fbbd38) at /usr/src/sys/kern/kern_fork.c:781
#13 0xc0a32f50 in fork_trampoline () at
/usr/src/sys/i386/i386/exception.s:205
(kgdb)
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