From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755792AbXIMM3f (ORCPT ); Thu, 13 Sep 2007 08:29:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753302AbXIMM32 (ORCPT ); Thu, 13 Sep 2007 08:29:28 -0400 Received: from fk-out-0910.google.com ([209.85.128.186]:45597 "EHLO fk-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753181AbXIMM31 (ORCPT ); Thu, 13 Sep 2007 08:29:27 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:user-agent:mime-version:to:cc:subject:references:in-reply-to:x-enigmail-version:content-type:content-transfer-encoding; b=h/uTQ/rrplw7FF0hAQpA2ZYJpIOLV2dORq6XmojMoE52mZBYvnA8/Y2f97+R4ZrNrzvEtmnHJ6SbvS1YsReG4Dx9c2uBdZtOdSBINJ9HgcTKpRlXsx7Dfe3lgV8GB0Mem8Fp8rumwrgziPjYz0XOFOE0GIYldTS7DA7hDKSsra4= Message-ID: <46E92D27.8050706@gmail.com> Date: Thu, 13 Sep 2007 14:29:27 +0200 From: Jiri Slaby User-Agent: Thunderbird 2.0.0.0 (X11/20070326) MIME-Version: 1.0 To: Andrew Morton CC: linux-mm@kvack.org, Linux kernel mailing list Subject: Re: 2.6.23-rc4-mm1: deadlock while mmaping video device References: <46E9226F.9010700@gmail.com> <20070913044726.1aa48f45.akpm@linux-foundation.org> In-Reply-To: <20070913044726.1aa48f45.akpm@linux-foundation.org> X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Andrew Morton napsal(a): > On Thu, 13 Sep 2007 13:43:43 +0200 Jiri Slaby wrote: > >> Hi, >> >> I have this circular lock dependency on 2.6.23-rc4-mm1 when opening >> /dev/video0 and mmaping it. the v4l driver is stk11xx: >> http://www.fi.muni.cz/~xslaby/sklad/panics/mm-deadlock.png >> >> Using slub on x86_64 if that matters. >> >> For now, I'm unable to set up a netconsole, so only the picture linked above >> is the best I have. >> > > oop, I think you'll want this: yes, thanks, -- http://www.fi.muni.cz/~xslaby/ Jiri Slaby faculty of informatics, masaryk university, brno, cz