From owner-freebsd-current Sat Oct 27 4:38: 3 2001 Delivered-To: freebsd-current@freebsd.org Received: from salmon.maths.tcd.ie (salmon.maths.tcd.ie [134.226.81.11]) by hub.freebsd.org (Postfix) with SMTP id A3A1637B403 for ; Sat, 27 Oct 2001 04:37:58 -0700 (PDT) Received: from turing.maths.tcd.ie by salmon.maths.tcd.ie with SMTP id ; 27 Oct 2001 12:37:57 +0100 (BST) Date: Sat, 27 Oct 2001 12:37:56 +0100 From: David Malone To: Andrea Campi Cc: freebsd-current@FreeBSD.org Subject: Re: -CURRENT freeze under high load Message-ID: <20011027123756.A22438@turing.maths.tcd.ie> References: <20011024153151.A75454@webcom.it> <20011026181612.A7800@webcom.it> <20011026175237.A33082@walton.maths.tcd.ie> <20011026191224.B7800@webcom.it> <20011026183047.A33995@walton.maths.tcd.ie> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.2i In-Reply-To: <20011026183047.A33995@walton.maths.tcd.ie>; from dwmalone@maths.tcd.ie on Fri, Oct 26, 2001 at 06:30:47PM +0100 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Fri, Oct 26, 2001 at 06:30:47PM +0100, David Malone wrote: > > Anyway, both ways I can trigger the bug (find . -type f | xargs mutt, and > > actually running fetchmail -a) do generate a LOT of work, so it's actually > > possible that your diagnosis (mbuf exhaustion) is correct; trouble is, this > > shouln't hurt the machine to the point I can't even enter DDB. > > Maybe I'll try installing qmail at home and reproducing the problem. I've installed qmail and managed to reproduce the problem. I've also managed to get a trace using a serial console and it was stuck in something like unp_scan after closing a pipe. I've got a fair idea of where the problem is now, so I should be able to track it down. David. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message