From mboxrd@z Thu Jan 1 00:00:00 1970 From: Badalian Vyacheslav Subject: Re: deadlocks if use htb Date: Thu, 16 Oct 2008 12:28:46 +0400 Message-ID: <48F6FB3E.7060903@bigtelecom.ru> References: <20081010075640.GA5204@ff.dom.local> <48EF17EA.5020306@bigtelecom.ru> <20081010090426.GA6054@ff.dom.local> <20081010095129.GB6054@ff.dom.local> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: Jarek Poplawski Return-path: Received: from mail.bigtelecom.ru ([87.255.0.61]:50970 "EHLO mail.bigtelecom.ru" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751107AbYJPI2v (ORCPT ); Thu, 16 Oct 2008 04:28:51 -0400 In-Reply-To: <20081010095129.GB6054@ff.dom.local> Sender: netdev-owner@vger.kernel.org List-ID: Jarek Poplawski =D0=BF=D0=B8=D1=88=D0=B5=D1=82: > On Fri, Oct 10, 2008 at 09:04:26AM +0000, Jarek Poplawski wrote: > =20 >> On Fri, Oct 10, 2008 at 12:52:58PM +0400, Badalian Vyacheslav wrote: >> =20 >>> Oh... sorry. I Wrong you understand... i patch 2.6.27 with this pat= ch >>> and will test it... >>> =20 >> No, you understood it right. But it seems 2.6.27 fix doesn't work fo= r >> you. So, yes, try this patch with 2.6.26 or 2.6.27. >> =20 > > There is also a parameter you could try (without this patch): > > modprobe sch_htb htb_hysteresis=3D1 > > Jarek P. > > =20 >>>>> Please look to if you have time: >>>>> http://bugzilla.kernel.org/show_bug.cgi?id=3D11718 >>>>> >>>>> We have deadlocks at few PC one times in week. >>>>> I can test any patches to detect and fix problem. >>>>> Now i test 2.6.27-rc kernel at one PC. >>>>> =20 >>>>> =20 >>>> A similar bug was reported by Denys Fedoryshchenko but it wasn't f= ully >>>> diagnosed. Anyway it looks like hardware dependent. The patch belo= w >>>> can sometimes help. 2.6.27 may have this fixed too (some other way= ). >>>> >>>> Jarek P. >>>> =20 > > =20 Sorry for long answer. We have troubles with power in our server place. Now its gone and i wil= l test again all this. With patch + htb_hysteresis=3D0 and htb_hysteresis=3D1 without patch a= ll PC work done 2 days and 18 hours. After this we have power crash.... =3D( Thanks