From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fernando Lopez-Lezcano Subject: Re: [ANNOUNCE] 3.0-rt6 Date: Mon, 08 Aug 2011 10:25:25 -0700 Message-ID: <4E401C05.7000803@localhost> References: <4E3A3D7C.6050403@localhost> <1312450965.16729.7.camel@twins> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Cc: Fernando Lopez-Lezcano , Thomas Gleixner , LKML , linux-rt-users , "Paul E. McKenney" To: Peter Zijlstra Return-path: Received: from smtp4.Stanford.EDU ([171.67.219.84]:52739 "EHLO smtp.stanford.edu" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751748Ab1HHRZ2 (ORCPT ); Mon, 8 Aug 2011 13:25:28 -0400 In-Reply-To: <1312450965.16729.7.camel@twins> Sender: linux-rt-users-owner@vger.kernel.org List-ID: On 08/04/2011 02:42 AM, Peter Zijlstra wrote: > On Wed, 2011-08-03 at 23:34 -0700, Fernando Lopez-Lezcano wrote: >> [ 117.026009] [] _raw_spin_lock+0x45/0x79 >> [ 117.026009] [] ? __run_posix_cpu_timers+0x8f/0x353 >> [ 117.026009] [] __run_posix_cpu_timers+0x8f/0x353 > > I think its this one, could you confirm? If this was later part of rt8 then yes, Tracey was able to boot on fc15/x86_64 with no further problems (3.0.1 + rt8). I was also able to boot rt8 this morning in my fc15 test laptop with no bugs or oops so far... still testing but looks promising. Thanks again! -- Fernando > --- > Index: linux-2.6/kernel/posix-cpu-timers.c > =================================================================== > --- linux-2.6.orig/kernel/posix-cpu-timers.c > +++ linux-2.6/kernel/posix-cpu-timers.c > @@ -1288,10 +1288,11 @@ static inline int fastpath_timer_check(s > sig = tsk->signal; > if (sig->cputimer.running) { > struct task_cputime group_sample; > + unsigned long flags; > > - raw_spin_lock(&sig->cputimer.lock); > + raw_spin_lock_irqsave(&sig->cputimer.lock, flags); > group_sample = sig->cputimer.cputime; > - raw_spin_unlock(&sig->cputimer.lock); > + raw_spin_unlock_irqrestore(&sig->cputimer.lock, flags); > > if (task_cputime_expired(&group_sample,&sig->cputime_expires)) > return 1; > > -- > To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html