From owner-freebsd-stable@FreeBSD.ORG  Thu Mar 25 19:50:40 2010
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Date: Thu, 25 Mar 2010 21:32:10 +0200
From: Nezmer <bsd@nezmer.info>
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Subject: 8-STABLE/amd64: kernel panic after a minute of mounting xfs
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(8-STABLE/amd64 Feb 25th)

Hi,

This is the 1st time FreeBSD panics on me. It happened after a
minute of mounting an XFS partition. I'm not sure It's XFS but It's the
only part of the OS I try for the 1st time.

kernel: vn_iowait doing nothing on FreeBSD?
last message repeated 15 times
kernel: 
kernel: 
kernel: Fatal trap 12: page fault while in kernel mode
kernel: cpuid = 1; apic id = 01
kernel: fault virtual address	= 0x290
kernel: fault code		= supervisor read data, page not present
kernel: instruction pointer	= 0x20:0xffffffff8057e38e
kernel: stack pointer	        = 0x28:0xffffff80790af7d0
kernel: frame pointer	        = 0x28:0xffffff80790af7f0
kernel: code segment		= base 0x0, limit 0xfffff, type 0x1b
kernel: = DPL 0, pres 1, long 1, def32 0, gran 1
kernel: processor eflags	= interrupt enabled, resume, IOPL = 0
kernel: current process		= 4668 (umount)
kernel: trap number		= 12
kernel: panic: page fault
kernel: cpuid = 1
kernel: Uptime: 31m48s
kernel: Cannot dump. Device not defined or unavailable.
kernel: Automatic reboot in 15 seconds - press a key on the console to abort
kernel: --> Press a key on the console to reboot,
kernel: --> or switch off the system now.
kernel: Rebooting...