From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Richter Subject: Re: Fw: [Bugme-new] [Bug 6114] New: Initio sbp2 causes: "slab error in cache_free_debugcheck(): cache `size-512(DMA)': double free, or memory outside" object was overwritten Date: Wed, 22 Feb 2006 07:05:40 +0100 Message-ID: <43FBFF34.9080909@s5r6.in-berlin.de> References: <20060221040511.35b69d26.akpm@osdl.org> <43FB6545.8080103@s5r6.in-berlin.de> <43FB67BD.7030101@s5r6.in-berlin.de> <20060221134543.5f844d7c.akpm@osdl.org> <43FB9FE5.8070309@s5r6.in-berlin.de> <43FBB1A2.9030009@s5r6.in-berlin.de> <20060222012942.GY27946@ftp.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20060222012942.GY27946@ftp.linux.org.uk> Sender: linux1394-devel-admin@lists.sourceforge.net Errors-To: linux1394-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , List-Archive: To: Al Viro Cc: Bernhard Kaindl , Andrew Morton , bcollins@debian.org, scjody@modernduck.com, linux1394-devel@lists.sourceforge.net, linux-scsi@vger.kernel.org, James Bottomley List-Id: linux-scsi@vger.kernel.org Al Viro wrote: > On Wed, Feb 22, 2006 at 01:34:42AM +0100, Stefan Richter wrote: > >>Al's patch is certainly better since it adds checks to the actual >>affected code region, i.e. mode_sense handling in the SCSI layers. >>James, would you integrate this patch? >> >>However sbp2 will keep some sort of skip_ms_page_8 blacklisting anyway >>because of different issues with other bridges. > > > Sure, but for this bridge it's not needed - with that fix we get the > right data out of bridge response. Note > +sda: missing header in MODE_SENSE response > and > +SCSI device sda: drive cache: write back > in that diff. The former is exactly what we get when we detect that > sort of breakage (bare page 6 without header) and the latter is where > we manage to get the cache type. Yes, you are definitly right about it. -- Stefan Richter -=====-=-==- --=- =-==- http://arcgraph.de/sr/ ------------------------------------------------------- This SF.net email is sponsored by: Splunk Inc. Do you grep through log files for problems? Stop! Download the new AJAX search engine that makes searching your log files as easy as surfing the web. DOWNLOAD SPLUNK! http://sel.as-us.falkag.net/sel?cmd=lnk&kid=103432&bid=230486&dat=121642