Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757889AbYLKXmY (ORCPT ); Thu, 11 Dec 2008 18:42:24 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757336AbYLKXlb (ORCPT ); Thu, 11 Dec 2008 18:41:31 -0500 Received: from kroah.org ([198.145.64.141]:36976 "EHLO coco.kroah.org" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1757320AbYLKXla (ORCPT ); Thu, 11 Dec 2008 18:41:30 -0500 Date: Thu, 11 Dec 2008 15:40:41 -0800 From: Greg KH To: Holger =?iso-8859-1?Q?Hoffst=E4tte?= Cc: Manfred Spraul , Stefan Richter , linux-kernel@vger.kernel.org, stable@kernel.org Subject: Re: [stable] Nasty regression from .27.7 to .27.8: idle samba goes crazy Message-ID: <20081211234041.GA1119@kroah.com> References: <200812080834.22924.rjw@sisk.pl> <493D4F5C.7020606@s5r6.in-berlin.de> <493D7349.10200@s5r6.in-berlin.de> <20081208222246.GA29232@sith.mimuw.edu.pl> <20081209123703.043067eb@dhcp-100-2-144.bos.redhat.com> <493FFE5E.2000404@colorfullife.com> <49419A14.50402@wizards.de> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <49419A14.50402@wizards.de> User-Agent: Mutt/1.5.16 (2007-06-09) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1891 Lines: 54 On Thu, Dec 11, 2008 at 11:54:12PM +0100, Holger Hoffst?tte wrote: > > Dear all - > > Thanks for your efforts. > > Manfred Spraul wrote: > > Chuck Ebbert wrote: > >> On Mon, 8 Dec 2008 23:22:46 +0100 > >> Jan Rekorajski wrote: > >> > >> > >>> On Mon, 08 Dec 2008, Stefan Richter wrote: > >>> > >>> > >>>>>>> On Monday, 8 of December 2008, Holger Hoffstaette wrote: > >>>>>>> > >>>>>>>> The system is a generic old single-core P4 box with a single > >>>>>>>> SATA drive, > >>>>>>>> Gentoo userland and Samba is 3.0.33 (in async mode). The kernel > >>>>>>>> has no > >>>>>>>> patches or binary drivers. > >>>>>>>> > >>>> Holger, it may be unrelated to the issue, but to be sure: Which > >>>> network > >>>> card driver do you use? > >>>> > >>> I think you can safely rule out NIC, I'm also seeing this behaviour on a > >>> brand new server with imap hanging in some busy-loop. > >>> Network card in my case: > >>> Broadcom Corporation NetXtreme II BCM5708 Gigabit Ethernet (rev 12) > >>> > >>> What I observer was one CPU doing 100% system work, and the number of > >>> timer interrupts went from 1k per second to 4k (for the whole system). > >>> > > Could you try the attached patch? > > It should fix the bug. > > I just built 2.6.27.9-rc1 and disconnected the Windowz box several times. > For now smbd does not seem to go into a death spin any more, even though > as far as I can tell .9-rc1 does not contain Manfred'd latest patch. Not > sure what that means, if anything. .9-rc1 does contain a cifs patch, so perhaps that resolved the issue for you. thanks, greg k-h -- 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/