Date: Mon, 8 Apr 2002 14:47:34 -0700 From: David Bushong <david@bushong.net> To: freebsd-stable@freebsd.org Subject: vinum crash on multi -> single -> multiuser Message-ID: <20020408214734.GK79316@bushong.net>
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Hello,
I've had this happen twice and wanted to check whether this is a bug or
just something I'm not supposed to be doing.
I'm setting up a machine, and occasionally want to do some configuration
tasks, so I drop to single-user ("shutdown now") then when I'm done, resume
multi-user with ^D.
This works...most of the time. Twice now, however, I've had panics like shown
below. (Actually, the first time it didn't even reboot).
I'm running: 4.5-STABLE #1: Sat Apr 6 23:20:48 PST 2002 cvsupped
Apr 6 19:39 PST.
Any thoughts would be welcome.
--David Bushong
--------8<---------------8<---------------8<---------------------------------
#^D
vinum: no additional drives found
** no drives found: No such file or directory
Skipping disk checks ...
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x2c
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc016e14e
stack pointer = 0x10:0xd2ae9d40
frame pointer = 0x10:0xd2ae9d40
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 = 61655 (umount)
interrupt mask = bio
trap number = 12
panic: page fault
syncing disks...
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x2c
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc016e14e
stack pointer = 0x10:0xd2ae9a6c
frame pointer = 0x10:0xd2ae9a6c
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 = 61655 (umount)
interrupt mask = bio
trap number = 12
panic: page fault
Uptime: 20h38m5s
Automatic reboot in 15 seconds - press a key on the console to abort
Rebooting...
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