Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750819AbVKECgF (ORCPT ); Fri, 4 Nov 2005 21:36:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751063AbVKECgF (ORCPT ); Fri, 4 Nov 2005 21:36:05 -0500 Received: from smtp1.Stanford.EDU ([171.67.16.123]:24040 "EHLO smtp1.Stanford.EDU") by vger.kernel.org with ESMTP id S1750819AbVKECgE (ORCPT ); Fri, 4 Nov 2005 21:36:04 -0500 Subject: Re: 2.6.14-rt1 (now rt6) From: Fernando Lopez-Lezcano To: Ingo Molnar Cc: nando@ccrma.Stanford.EDU, linux-kernel@vger.kernel.org, Thomas Gleixner , Steven Rostedt , Mark Knecht , john stultz , Florian Schmidt , "K.R. Foley" , Rui Nuno Capela In-Reply-To: <20051030133316.GA11225@elte.hu> References: <20051017160536.GA2107@elte.hu> <20051020195432.GA21903@elte.hu> <20051030133316.GA11225@elte.hu> Content-Type: text/plain Date: Fri, 04 Nov 2005 18:35:24 -0800 Message-Id: <1131158124.4834.24.camel@cmn3.stanford.edu> Mime-Version: 1.0 X-Mailer: Evolution 2.2.3 (2.2.3-2.fc4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1807 Lines: 61 On Sun, 2005-10-30 at 14:33 +0100, Ingo Molnar wrote: > i have released the 2.6.14-rt1 tree, which can be downloaded from the > usual place: > > http://redhat.com/~mingo/realtime-preempt/ > > this release is mainly about ktimer fixes: it updates to the latest > ktimer tree from Thomas Gleixner (which includes John Stultz's latest > GTOD tree), it fixes TSC synchronization problems on HT systems, and > updates the ktimers debugging code. > > These together could fix most of the timer warnings and annoyances > reported for 2.6.14-rc5-rt kernels. In particular the new > TSC-synchronization code could fix SMP systems: the upstream TSC > synchronization method is fine for 1 usec resolution, but it was not > good enough for 1 nsec resolution and likely caused the SMP bugs > reported by Fernando Lopez-Lezcano and Rui Nuno Capela. > > Please re-report any bugs that remain. I've been running 2.6.14-rt6 fine in my smp system the whole day and suddenly, just a moment ago, I suddenly started getting key repeats and screensaver bliiiinks [not my typo]. No HIGH_RES_TIMERS, with PREEMPT_RT. No messages in the logs or dmesg. Doing a loop with "sleep 10" bbracketed by calls to date gives me sporadic results: --- Fri Nov 4 18:30:25 PST 2005 10 --- --- Fri Nov 4 19:43:53 PST 2005 10 --- --- Fri Nov 4 19:44:03 PST 2005 3 --- --- Fri Nov 4 18:30:48 PST 2005 10 --- --- Fri Nov 4 18:30:58 PST 2005 0 --- --- Fri Nov 4 18:30:58 PST 2005 2 --- --- Fri Nov 4 18:31:00 PST 2005 10 --- --- Fri Nov 4 18:31:10 PST 2005 10 --- -- Fernando - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/