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: pooka%netbsd.org@localhost
Subject: Re: kern/37881: repeatable crash in filesystem when running MP
Date: Sun, 27 Jan 2008 21:17:06 +0000

 On Sun, Jan 27, 2008 at 08:10:03PM +0000, dieter roelants wrote:
 > The following reply was made to PR kern/37881; it has been noted by GNATS.
 > 
 > From: dieter roelants <dieter.NetBSD%pandora.be@localhost>
 > To: gnats-bugs%NetBSD.org@localhost
 > Cc: 
 > Subject: Re: kern/37881: repeatable crash in filesystem when running MP
 > Date: Sun, 27 Jan 2008 21:04:39 +0100
 > 
 >  On Sun, 27 Jan 2008 14:05:06 +0000 (UTC)
 >  Antti Kantee <pooka%cs.hut.fi@localhost> wrote:
 >  
 >  >  Hmm.  Can you see what the other CPU was doing?  Maybe nautilus is evil
 >  >  enough to close the fd in another thread while the write is in progress
 >  >  or something like that.
 >  
 >  I have 2 traces:
 >  http://bsdusr.net/~dieter/NetBSD/37881-1.png and
 >  http://bsdusr.net/~dieter/NetBSD/37881-2.png .
 
 It's possible this is simply missing locking around vnode::v_klist.
 
 Thanks,
 Andrew