From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rui Nuno Capela Subject: Re: 2.6.23.1-rt5 (was 2.6.23-rt1 trouble) Date: Tue, 30 Oct 2007 19:11:31 +0000 Message-ID: <472781E3.7010103@rncbc.org> References: <1192154640.15992.10.camel@localhost.localdomain> <38542.213.58.131.130.1192445349.squirrel@www.rncbc.org> <471648B8.1030007@rncbc.org> <47234EA1.4050006@rncbc.org> <47239A37.8000401@rncbc.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: linux-rt-users@vger.kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , Thomas Gleixner , Gregory Haskins To: Steven Rostedt Return-path: Received: from smtp1.netcabo.pt ([212.113.174.28]:14374 "EHLO exch01smtp10.hdi.tvcabo" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752771AbXJ3TN1 (ORCPT ); Tue, 30 Oct 2007 15:13:27 -0400 In-Reply-To: <47239A37.8000401@rncbc.org> Sender: linux-rt-users-owner@vger.kernel.org List-Id: linux-rt-users.vger.kernel.org Rui Nuno Capela wrote: > Steven Rostedt wrote: >> >> When things start to freeze, could you capture the output of a sysrq-t. >> > > yes, you can find a complete serial console capture here, where it holds > the final SysRq-T output: > http://www.rncbc.org/datahub/console-2.6.23.1-rt4.1-1.log > > the corresponding .config is also there: > http://www.rncbc.org/datahub/config-2.6.23.1-rt4.1 > > the reason this is a new kernel build, following a shot in the dark from > nick mainsbridge, which let out the ntfs module build (CONFIG_NTFS_FS is > not set) suggesting that would mitigate similar freezes. > > in deed the general feel is that it seems to run longer and less prone > to those incidents, but that is just a gut feeling, nothing more. > > hope this be any useful. > >> I have a P4HT laptop (unfortunately with no serial). I use it as one of my >> main machines, so it will suck for me when it freezes ;-). I'll take your >> config and try it out. >> >> I'll most likely do this on Monday since process Wife has the highest >> priority over the weekend ;-) >> > > that is also true here :) > > otoh, as reported before, the freezes are not exclusive to P4HT, which > is the main box I'm been reporting here (the one which has a good old > serial port anyway), but also applies to my other laptop, an core2 duo > t7200. > still in trouble with 2.6.23.1-rt5 :( .config: http://www.rncbc.org/datahub/config-2.6.23.1-rt5.0 serial console capture: http://www.rncbc.org/datahub/console-2.6.23.1-rt5.0-1.log one thing about SysRq-T: while in the middle of a freeze it just doesn't dump anything, just the 'SysRq : Show State' line. you can see that several times on the console output above. only when it is somewhat recovering, as said, by making some last resort measures like SysRq-E as in 'SysRq: terminate All Tasks' for instance, then SysRq-T will dump something. my guess is that this later dump will be moot :/ back to production with 2.6.22.1-rt9 ;) -- rncbc aka Rui Nuno Capela rncbc@rncbc.org