[DragonFlyBSD - Bug #23] NFS panic

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #23 has been updated by GlennaCline.

Description updated
Priority changed from Normal to High

Bugs and all issued items have been done for the schemes. The enunciated items and https://www.australian-writings.org/ have been done for the students. The mark is left over for the participants in the realm of the field.

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Bug #23: NFS panic
http://bugs.dragonflybsd.org/issues/23#change-13588

* Author: swildner
* Status: Closed
* Priority: High
* Assignee: 
* Category: 
* Target version: 
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Hi,

I'm having actually two problems. All machines involved are running 
1.5.0-DEVELOPMENT.

PROBLEM 1
---------
When I set nfs_server_enable to "yes" on one of my test machines and 
export a few directories (which reside on FAT32 partitions) I get 
reproducable panics on that machine as soon as I try to write from 
another machine. Reading seems to work.

I've taken the following picture: http://yoyodyne.ath.cx/tmp/LPIC0019.JPG

The top line reads: "panic: lockmgr: locking against myself"

I would have liked to provide a crash dump and everything but 
unfortunately...

PROBLEM 2
---------
For some strange reason I can't produce crash dumps on that box.

Here's what happens:

db> call dumpsys

dumping to dev #ad/0x20041, offset 2097536
dump ata4: resetting devices .. done
1023

And then the machine just sits there.

Sascha



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