From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jarek Poplawski Subject: Re: Tc bug (kernel crash) more info Date: Thu, 30 Aug 2007 09:27:18 +0200 Message-ID: <20070830072718.GC1677@ff.dom.local> References: <46D53D9C.5070204@bigtelecom.ru> <20070829113447.GA3575@ff.dom.local> <20070829121408.GB3575@ff.dom.local> <46D56C60.3060702@bigtelecom.ru> <20070829133042.GA4038@ff.dom.local> <20070830001632.ki4u5bx9sow40o4s@mail.himki.net> <20070830063110.GB1677@ff.dom.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: netdev@vger.kernel.org To: slavon@bigtelecom.ru Return-path: Received: from mx12.go2.pl ([193.17.41.142]:46463 "EHLO poczta.o2.pl" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755395AbXH3HZ5 (ORCPT ); Thu, 30 Aug 2007 03:25:57 -0400 Content-Disposition: inline In-Reply-To: <20070830063110.GB1677@ff.dom.local> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Thu, Aug 30, 2007 at 08:31:10AM +0200, Jarek Poplawski wrote: > On Thu, Aug 30, 2007 at 12:16:32AM +0400, slavon@bigtelecom.ru wrote: ... > > PS. And also have we have strange bug in another computer (2.6.22-r5). > > Have computer XEON_CPUx2 (4 CPU) > > > > after boot have CPU0 and CPU3 SI = ~50% > > after some time CPU0 SI = 0% and ksoftirqd/2 process have 100% cpu usage! > > nat-new ~ # cat /proc/interrupts > > CPU0 CPU1 CPU2 CPU3 > > 0: 403 0 0 0 IO-APIC-edge timer > ... > > LOC: 89312505 89314019 89310139 89313972 > > ERR: 0 > > MIS: 0 > > > > changes only LOC interrupts! > > > > Maybe its info intresting for you. =) > > Yes. It seems something loops or breaks with disabled interrupts. If On the other hand disabling local interrupts shouldn't be enough here, so it's really strange... Did you get this remotely? Are you sure LOC only? (Anyway this 2.6.23-rc4 should be interesting.) Jarek P.