kern/71391: md via NFS file + mount -t ntfs: panic: locking against
myself
Martin Birgmeier
martin at email.aon.at
Sun Sep 5 01:30:17 PDT 2004
>Number: 71391
>Category: kern
>Synopsis: md via NFS file + mount -t ntfs: panic: locking against myself
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Sun Sep 05 08:30:16 GMT 2004
>Closed-Date:
>Last-Modified:
>Originator: Martin Birgmeier
>Release: FreeBSD 5.2.1-RELEASE i386 (RELENG_5_2_1_RELEASE)
>Organization:
MBi at home
>Environment:
FreeBSD test.xyzzy 5.2.1-RELEASE FreeBSD 5.2.1-RELEASE #0: Sun Apr 25 21:04:26 CEST 2004 root at test.xyzzy:/d/903s4e/OBJ/FreeBSD/RELENG_5_2_1_RELEASE/src/sys/TEST i386
>Description:
Scenario:
- disk image file <image> on remote host (schg bit set)
- "mdconfig -a -t vnode -f /.../<image>" (image via NFS)
- mount -o ro -t ntfs /dev/md0s5 /mnt
Errors:
- last command results in a panic: "locking against myself"
- (secondary) The "-o readonly" option is not understood by mdconfig,
although it is mentioned in the man page
Comment:
- Maybe due to trying to mount something which is ultimately r/o
using ntfs, which does not grok this?
>How-To-Repeat:
As above.
>Fix:
Unknown.
>Release-Note:
>Audit-Trail:
>Unformatted:
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