Re: kern/37881: repeatable crash in filesystem when running MP

[Andrew Doran <ad%NetBSD.org@localhost>]

The following reply was made to PR kern/37881; it has been noted by GNATS.

From: Andrew Doran <ad%NetBSD.org@localhost>
To: gnats-bugs%NetBSD.org@localhost
Cc: gnats-admin%netbsd.org@localhost, netbsd-bugs%netbsd.org@localhost,
        dieter.NetBSD%pandora.be@localhost
Subject: Re: kern/37881: repeatable crash in filesystem when running MP
Date: Tue, 29 Jan 2008 21:34:30 +0000

 On Tue, Jan 29, 2008 at 08:40:03PM +0000, dieter roelants wrote:
 
 >  I have uploaded http://bsdusr.net/~dieter/NetBSD/37881-3.png ,
 >  http://bsdusr.net/~dieter/NetBSD/37881-4.png , and
 >  http://bsdusr.net/~dieter/NetBSD/37881-5.png .
 
 I'm convinced that it's due to missing locking around the vnode kqueue
 stuff. It can be hard to tell because the backtrace from the CPU that did
 not panic is from some time after the panic happens. I'll see about fixing
 it tomorrow.
 
 Thanks,
 Andrew