From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sc8-sf-mx1-b.sourceforge.net ([10.3.1.91] helo=mail.sourceforge.net) by sc8-sf-list1-new.sourceforge.net with esmtp (Exim 4.43) id 1GVza7-0003uW-LS for user-mode-linux-devel@lists.sourceforge.net; Fri, 06 Oct 2006 16:58:19 -0700 Received: from ns.theshore.net ([67.18.92.50] helo=www.theshore.net) by mail.sourceforge.net with esmtp (Exim 4.44) id 1GVza6-0007DQ-Bx for user-mode-linux-devel@lists.sourceforge.net; Fri, 06 Oct 2006 16:58:19 -0700 Message-ID: <4526ED81.5000105@theshore.net> Date: Fri, 06 Oct 2006 18:57:53 -0500 From: "Christopher S. Aker" MIME-Version: 1.0 References: <4525802F.1080900@theshore.net> <200610062354.25444.blaisorblade@yahoo.it> In-Reply-To: <200610062354.25444.blaisorblade@yahoo.it> Subject: Re: [uml-devel] 2.6.18-skas-v9-pre9 broken List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: user-mode-linux-devel-bounces@lists.sourceforge.net Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net To: Blaisorblade Cc: user-mode-linux-devel@lists.sourceforge.net Blaisorblade wrote: > On Thursday 05 October 2006 23:59, Christopher S. Aker wrote: >> Blaisorblade, >> >> I recently deployed a 2.6.18-skas3-v9-pre9 host, and some users weren't >> able to boot UML beyond "VFS: Mounted root (ext3 filesystem) readonly". >> As it turns out, only 2.6-um kernels were affected, 2.4-um worked fine. >> >> This happened both in skas3 and skas0 modes. Jeff graciously took a >> look at some straces, and his comment was that "something broke page >> fault handling generically". >> >> The traces are here: >> >> http://www.theshore.net/~caker/uml/skas2.6.18-uml_trace.txt (skas3) >> http://www.theshore.net/~caker/uml/skas2.6.18-uml_trace_skas0.txt >> >> Reverting back to a skas3-v8.2 kernel fixed it. > An important question: did the patch contain fremap code (the one for > 2.6.18-rc4 did)? That code does do heavy changes to page fault handling. No, it was not the fremap version. > I'm also guessing this is a 32bit host. Correct. -Chris ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel