Date: Thu, 15 Feb 2001 22:15:33 -0800 (PST) From: davidx@viasoft.com.cn To: freebsd-gnats-submit@FreeBSD.org Subject: kern/25130: kernel crash with kldload/kldunload md.ko Message-ID: <200102160615.f1G6FX348807@freefall.freebsd.org>
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>Number: 25130
>Category: kern
>Synopsis: kernel crash with kldload/kldunload md.ko
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Thu Feb 15 22:20:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator: David Xu
>Release: FreeBSD 4.2-RELEASE
>Organization:
viasoft
>Environment:
>Description:
when I kldload and kldunload malloc disk module md.ko, kernel crashed.
blah, blah, ....
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x4
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01565cf
stack pointer = 0x10:0xcc972ed8
frame pointer = 0x10:0xcc972ed8
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 = 268(kldunload)
interrupt mask = none
trap number = 12
panic: page fault
syncing disks... 41 40 12 7 5
done
Uptime: 43s
Automatic reboot in 15 seconds - press a key on console to abort
>How-To-Repeat:
# kldload md
# kldunload md
blah, blah, ....
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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