From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932271AbWBPMH0 (ORCPT ); Thu, 16 Feb 2006 07:07:26 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1030374AbWBPMH0 (ORCPT ); Thu, 16 Feb 2006 07:07:26 -0500 Received: from emailhub.stusta.mhn.de ([141.84.69.5]:16903 "HELO mailout.stusta.mhn.de") by vger.kernel.org with SMTP id S932282AbWBPMHZ (ORCPT ); Thu, 16 Feb 2006 07:07:25 -0500 Date: Thu, 16 Feb 2006 13:07:23 +0100 From: Adrian Bunk To: Steven French Cc: linux-cifs-client@lists.samba.org, linux-kernel@vger.kernel.org, samba-technical@lists.samba.org, sfrench@samba.org Subject: Re: [linux-cifs-client] 2.6.16-rc: CIFS reproducibly freezes the computer Message-ID: <20060216120723.GC3511@stusta.de> References: <20060214135016.GC10701@stusta.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 14, 2006 at 10:01:59AM -0600, Steven French wrote: > > >... > > It doesn't occur in 2.6.15.4, because with this kernel (and AFAIR also > > with older kernels) my computer refuses to mount this share. > >... Is this issue I mentioned in my bug report expected, or could it be related to my problem? >... > Command 46 is an SMB Read. IIRC send error in read -11 is EAGAIN which > could > indicate that the socket is congested and stayed congested but normally > that would be accompanied by a "sends on socket stuck for x seconds" > > Could you check /proc/fs/cifs/DebugData and see if the number of > reconnections > is non-zero (indicating that the tcp session to the server died). I don't see this, do I need CONFIG_CIFS_STATS for seeing it? > Any chance you could do an ethereal network trace of the failure (perhaps > on the server, if the client is hanging) so we could see the > last request (presumably a read) that the client sent (and whether the > server responded). > > Also is it possible to build your kernel with some of the debugging options > turned on (e.g. "Debug Memory allocations" and "mutex debugging, deadlock > detection" and > "detect soft lockups") to see if we are overwritting memory and hitting an > obscure > deadlock. Both are now on my TODO list. > It would also be helpful, if the problem turns out to be non-obvious, to > track this via a new bug # in bugzilla.samba.org OK. > Steve French cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed