Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 30 Jul 2001 23:52:03 +1000 (EST)
From:      Darren Reed <darrenr@reed.wattle.id.au>
To:        bde@zeta.org.au (Bruce Evans)
Cc:        current@FreeBSD.ORG
Subject:   Re: (ref5) kdump: Cannout allocate memory
Message-ID:  <200107301352.XAA24834@avalon.reed.wattle.id.au>
In-Reply-To: <Pine.BSF.4.21.0107302315330.916-100000@besplex.bde.org> from Bruce Evans at "Jul 30, 1 11:29:51 pm"

next in thread | previous in thread | raw e-mail | index | archive | help
In some email I received from Bruce Evans, sie wrote:
> On Mon, 30 Jul 2001, Darren Reed wrote:
> 
> > Using ktrace ref5, I created ~darrenr/ktrace.out with "ktrace -i cc ..."
> > but trying to print it I get:
> > % kdump -f ~/ktrace.out > lout
> > kdump: Cannot allocate memory
> > 
> > Is this stack corruption by kdump?  ref5:~darrenr/ktrace.out is available
> > for anyone who wants to diagnose this further.
> 
> This is probably a corrupt ktrace record.  Atomic writing of ktrace
> records seems to have been broken in rev.1.37 of kern_ktrace.c.  I've
> only seen this problem when the output file is written to an nfs
> filesystem.

Hmmm, for what it's worth, running the ktrace command which caused that
broken ktrace.out file to be created, multiple times, resulted in it
being corrupt at the same location each time.

Darren

To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?200107301352.XAA24834>