From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Tim Sander" Subject: Re: [ANNOUNCE] 3.0.1-rt8 - Regression to 3.0-rt7 Date: Thu, 11 Aug 2011 14:52:28 +0200 Message-ID: <201108111452.29075.tim.sander@hbm.com> References: <1312580681.28695.44.camel@twins> <201108111330.28168.tim.sander@hbm.com> <1313064142.7144.1.camel@twins> Mime-Version: 1.0 Content-Type: text/Plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: "linux-kernel" , "Thomas Gleixner" , "Paul E. McKenney" , "linux-rt-users" To: "Peter Zijlstra" Return-path: Received: from gateway.hbm.com ([213.157.30.2]:54387 "EHLO hbmntx5.hbm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755153Ab1HKMwp convert rfc822-to-8bit (ORCPT ); Thu, 11 Aug 2011 08:52:45 -0400 Content-class: urn:content-classes:message In-Reply-To: <1313064142.7144.1.camel@twins> Sender: linux-rt-users-owner@vger.kernel.org List-ID: Hi Peter Am Donnerstag, 11. August 2011, 14:02:22 schrieb Peter Zijlstra: > On Thu, 2011-08-11 at 13:30 +0200, Tim Sander wrote: > > The error does not occur when configured with > > CONFIG_PREEMPT_RT_FULL=3Dy > > but with > > CONFIG_PREEMPT_RTB=3Dy. > > The same error also happens with > > CONFIG_PREEMPT_LL=3Dy. (A log is appended after the other log just > > search for CONFIG_PREEMPT_LL > > for starting point). >=20 > Does the below (on top of -rt8) cure things for you? Shouldn't make a > difference for PREEMPT_LL though, so maybe there's something else bus= ted > as well. But from what I can tell PREEMPT_BASE should be fine with su= ch > things disabling preemption.. I havent tested but i tested appling rt8 to 3.0 and then git diffstat. Kind of a manual bisecting. Since you still seem to be currently lookin= g at=20 this:=20 The current remaining offenders on the list from 3.0-rt7 are: git diff --stat rt8-test kernel/ksysfs.c | 12 ------ kernel/lockdep.c | 5 ++- kernel/sched_cpupri.c | 28 ++------------- localversion-rt | 2 +- mm/memory.c | 2 - mm/slab.c | 92 +++++++++++------------------------------= ------- 6 files changed, 29 insertions(+), 112 deletions(-) Will test the patch later on. Best regards Tim Hottinger Baldwin Messtechnik GmbH, Im Tiefen See 45, 64293 Darmstadt, = Germany | www.hbm.com=20 Registered as GmbH (German limited liability corporation) in the commer= cial register at the local court of Darmstadt, HRB 1147 =20 Company domiciled in Darmstadt | CEO: Andreas Huellhorst | Chairman of = the board: James Charles Webster Als Gesellschaft mit beschraenkter Haftung eingetragen im Handelsregist= er des Amtsgerichts Darmstadt unter HRB 1147=20 Sitz der Gesellschaft: Darmstadt | Geschaeftsfuehrung: Andreas Huellhor= st | Aufsichtsratsvorsitzender: James Charles Webster The information in this email is confidential. It is intended solely fo= r the addressee. If you are not the intended recipient, please let me k= now and delete this email. Die in dieser E-Mail enthaltene Information ist vertraulich und ledigli= ch f=C3=BCr den Empfaenger bestimmt. Sollten Sie nicht der eigentliche = Empfaenger sein, informieren Sie mich bitte kurz und loeschen diese E-M= ail. -- To unsubscribe from this list: send the line "unsubscribe linux-rt-user= s" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html