From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx2-b.sourceforge.net ([10.3.1.12] helo=sc8-sf-mx2.sourceforge.net) by sc8-sf-list1.sourceforge.net with esmtp (Exim 4.30) id 1AttpC-0003bz-BW for user-mode-linux-devel@lists.sourceforge.net; Thu, 19 Feb 2004 11:27:06 -0800 Received: from smtp004.mail.ukl.yahoo.com ([217.12.11.35]) by sc8-sf-mx2.sourceforge.net with smtp (Exim 4.30) id 1Attbe-0002pR-UN for user-mode-linux-devel@lists.sourceforge.net; Thu, 19 Feb 2004 11:13:07 -0800 From: BlaisorBlade Subject: Re: [uml-devel] 2.6.3-rc2-uml1 Kernel mode panic References: <200402191914.01209.blaisorblade_spam@yahoo.it> <20040219193529.GA3644@ccure.user-mode-linux.org> In-Reply-To: <20040219193529.GA3644@ccure.user-mode-linux.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Disposition: inline Message-Id: <200402192024.10858.blaisorblade_spam@yahoo.it> Sender: user-mode-linux-devel-admin@lists.sourceforge.net Errors-To: user-mode-linux-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: The user-mode Linux development list List-Post: List-Help: List-Subscribe: , List-Archive: Date: Thu, 19 Feb 2004 20:24:10 +0100 Content-Transfer-Encoding: quoted-printable To: Jeff Dike , user-mode-linux-devel@lists.sourceforge.net Alle 20:35, gioved=EC 19 febbraio 2004, Jeff Dike ha scritto: > I can reproduce it fine. The recipe that Bill provided works like a charm > - hit it from the outside with 'ssh uml some command' > run 'while true; do cat /dev/null; done' inside > > and it will panic in 5-10 minutes in one of several ways. The exit.c BUG > is the process returning from the schedule at the end of exit(). Exactly the same here. > The > kernel mode fault is the scheduler seeing that the runqueue bitmap says > there's a process to be scheduled waiting on a particular queue, but that > queue is empty. On my system the queue is not simply empty (i.e. queue[index] =3D=3D=20 queue[index]->next =3D=3D queue[index]->prev) but has wrong next and prev v= alues=20 (one is 0x78 and one 0x0 last time, IIRC; however values <0x100). For the=20 rest, it's the same as I get. Now you can reproduce it, we'll soon see it fixed! Bye --=20 Paolo Giarrusso, aka Blaisorblade Linux registered user n. 292729 ------------------------------------------------------- SF.Net is sponsored by: Speed Start Your Linux Apps Now. Build and deploy apps & Web services for Linux with a free DVD software kit from IBM. Click Now! http://ads.osdn.com/?ad_id=1356&alloc_id438&op=CCk _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel