Subject: kern/4111: vnd device crashes system
To: None <gnats-bugs@gnats.netbsd.org>
From: Lennart Augustsson <augustss@cs.chalmers.se>
List: netbsd-bugs
Date: 09/14/1997 04:08:00
>Number: 4111
>Category: kern
>Synopsis: vnd device crashes system
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: kern-bug-people (Kernel Bug People)
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat Sep 13 19:20:01 1997
>Last-Modified:
>Originator: Lennart Augustsson
>Organization:
Department of Computing Science, Chalmers University
>Release: NetBSD-current 970912
>Environment:
System: NetBSD calvin 1.2G NetBSD 1.2G (CALVIN) #173: Sun Sep 14 03:34:31 CEST 1997 augustss@calvin:/users/NetBSD/src/sys/arch/i386/compile/CALVIN i386
>Description:
Accessing the vnd device can crash the system.
>How-To-Repeat:
dd if=/dev/zero of=ramdisk-12G.fs count=2880
vnconfig -t floppy3 -v -c /dev/vnd0d ramdisk-12G.fs
disklabel -rw /dev/vnd0d floppy3
od /dev/vnd0d | head
The system crashes with the message:
Stopped at syscall1+0x5c:
(that's all I get since the debugger is broken).
>Fix:
Dunno.
>Audit-Trail:
>Unformatted: