Date: Sat, 22 Mar 2003 23:45:12 -0800 From: Kris Kennaway <kris@obsecurity.org> To: fs@FreeBSD.org, iedowse@FreeBSD.org, peter@FreeBSD.org Subject: NFS panic on 4.8-pre Message-ID: <20030323074512.GA21092@rot13.obsecurity.org>
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I just got the following on a package build system I set up earlier
today. It's running FreeBSD 4.8-PRERELEASE #2: Thu Feb 27 19:18:58
GMT 2003, and was doing a lot of loopback NFS traffic (5-6 instances
of 3 nfs mounted filesystems). Unfortunately I don't yet have a
kernel.debug to get a proper traceback :(
Kris
IdlePTD at phsyical address 0x002f3000
initial pcb at physical address 0x00277500
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x0
fault code = supervisor write, page not present
instruction pointer = 0x8:0xc02212e7
stack pointer = 0x10:0xfd1ddca4
frame pointer = 0x10:0xfd1ddcd0
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 = 703 (find)
interrupt mask = none
trap number = 12
panic: page fault
#0 0xc015b926 in dumpsys ()
#1 0xc015b6f7 in boot ()
#2 0xc015bb35 in panic ()
#3 0xc02227ff in trap_fatal ()
#4 0xc02224ad in trap_pfault ()
#5 0xc0222053 in trap ()
#6 0xc02212e7 in generic_bzero ()
#7 0xc01d74df in nfs_lookup ()
#8 0xc0187bf1 in lookup ()
#9 0xc01876ec in namei ()
#10 0xc018d3f1 in lstat ()
#11 0xc0222ab5 in syscall2 ()
#12 0xc0215b25 in Xint0x80_syscall ()
#13 0x480a0a01 in ?? ()
#14 0x480a02a2 in ?? ()
#15 0x804971a in ?? ()
#16 0x804b9a0 in ?? ()
#17 0x80493ce in ?? ()
(kgdb)
I couldn't find a kernel.debug though :-( Can you build one?
Kris
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