Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753865Ab0AZOHt (ORCPT ); Tue, 26 Jan 2010 09:07:49 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753693Ab0AZOHs (ORCPT ); Tue, 26 Jan 2010 09:07:48 -0500 Received: from gv-out-0910.google.com ([216.239.58.186]:20796 "EHLO gv-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751193Ab0AZOHq (ORCPT ); Tue, 26 Jan 2010 09:07:46 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=jYp0cEP7Hj931F52f8Wen6dKdrZT7svURjzR9QnQ6d8ApYlCjJcNgUTlxuK1JQNMCK kXpnqx0UK2E/eNatCVPdQ52n3jlcGVl9DjB4uMon5it9XjFje9nzbNUSAtUt3csSqDbp jfES4Y1q/fiBVypVyo1Duo+c7nugkaknF/p1s= MIME-Version: 1.0 In-Reply-To: References: <201001221017.o0MAHQmu015858@demeter.kernel.org> Date: Tue, 26 Jan 2010 15:07:45 +0100 Message-ID: Subject: Re: [Bug 15076] System panic under load with clockevents_program_event From: okias To: Thomas Gleixner Cc: LKML , bugzilla-daemon@bugzilla.kernel.org, x86@kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1634 Lines: 52 Lastest git without HIGHMEM look good. If no problems occur, then I try use kernel with HIGHMEM and see what change... 2010/1/25, okias : > Okey, I try without highmem soon. > > 2010/1/25, Thomas Gleixner : >> Switched to email. Please reply to all instead of using the bugzilla >> interface. >> >>> --- Comment #4 from okias 2010-01-22 10:17:25 --- >>> and it's regression. Now I work on 2.6.32.3 and no problem. >> >> That's a really weird one. The system is 50 min up and running and out >> of the blue it crashes in clockevents_program_event(). This function >> has been called a couple of thousand times before that point. >> >> The only way to crash there is when *dev is pointing into nirwana. dev >> comes from >> >> int tick_program_event(ktime_t expires, int force) >> { >> struct clock_event_device *dev = >> __get_cpu_var(tick_cpu_device).evtdev; >> >> according to the callchain. At this point nothing fiddles with >> tick_cpu_device.evtdev, so I suspect some really nasty memory >> corruption going on. >> >> okias, can you please disable highmem support and verify whether the >> problem persists ? >> >> Thanks, >> >> tglx >> > > > -- > Jabber/XMPP: okias@isgeek.info > SIP VoIP: sip:17474537254@proxy01.sipphone.com > -- Jabber/XMPP: okias@isgeek.info SIP VoIP: sip:17474537254@proxy01.sipphone.com -- 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/