From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Richter Subject: Re: Fw: slab error in cache_free_debugcheck(): cache `sgpool-8': Date: Mon, 20 Feb 2006 22:51:53 +0100 Message-ID: <43FA39F9.3010806@s5r6.in-berlin.de> References: <20051017002339.5156d7f4.akpm@osdl.org> <4353754B.1040500@s5r6.in-berlin.de> <4353FDAD.1010204@chello.be> <43F9019C.3010505@s5r6.in-berlin.de> <43FA1C34.40604@chello.be> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from einhorn.in-berlin.de ([192.109.42.8]:16305 "EHLO einhorn.in-berlin.de") by vger.kernel.org with ESMTP id S932342AbWBTVwr (ORCPT ); Mon, 20 Feb 2006 16:52:47 -0500 In-Reply-To: <43FA1C34.40604@chello.be> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "F. Poncin" Cc: linux1394-devel@lists.sourceforge.net, linux-scsi@vger.kernel.org, Andrew Morton F. Poncin wrote: > Stefan Richter wrote: >> Finally there is news for Initio SBP-2 bridges. >> http://marc.theaimsgroup.com/?l=linux-scsi&m=114038995826749 >> >> Could you try the scsi_mod parameters mentioned there? >> >> Alternatively, update to the latest 1394 drivers (soon to be in -mm, [...] > On my side, the problem seems to be "solved" since mid-December / > end-December (linus-git). Curious. My 1394b INIC-2430F bridge had the following history: - 2.6.13-rc2 panics - 2.6.14 works, but why? - 2.6.15 panics I ought to start testing 2.6.16-rc. > latest linus-git: > ieee1394: sbp2: sbp2_firmware_revision = 407 > > ieee1394: sbp2: Logged into SBP-2 device > ieee1394: Node 0-00:1023: Max speed [S400] - Max payload [2048] > Vendor: Initio Model: ST3400832A Rev: 4.07 > Type: Direct-Access ANSI SCSI revision: 00 > SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB) > sdc: Write Protect is off > sdc: Mode Sense: 00 13 00 00 > sdc: got wrong page > sdc: assuming drive cache: write through > SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB) > sdc: Write Protect is off > sdc: Mode Sense: 00 13 00 00 > sdc: got wrong page > sdc: assuming drive cache: write through > sdc: sdc1 > sd 8:0:0:0: Attached scsi disk sdc Hmm. I wonder if this is just luck. > #echo 8192 > /sys/module/scsi_mod/parameters/default_dev_flags > #modprobe sbp2 > > ieee1394: Error parsing configrom for node 0-00:1023 > => device not recognised. > > #echo "Initio:0KLAT80:8192" > > /sys/module/scsi_mod/parameters/default_dev_flags > #modprobe sbp2 > > ieee1394: sbp2: Driver forced to serialize I/O (serialize_io=1) > ieee1394: sbp2: Try serialize_io=0 for better performance > scsi9 : SBP-2 IEEE-1394 > ieee1394: sbp2: Logged into SBP-2 device > ieee1394: Node 0-00:1023: Max speed [S400] - Max payload [2048] > Vendor: Initio Model: ST3400832A Rev: 4.07 > Type: Direct-Access ANSI SCSI revision: 00 > SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB) > sdc: Write Protect is off > sdc: Mode Sense: 00 13 00 00 > sdc: assuming drive cache: write through > SCSI device sdc: 781422768 512-byte hdwr sectors (400088 MB) > sdc: Write Protect is off > sdc: Mode Sense: 00 13 00 00 > sdc: assuming drive cache: write through > sdc: sdc1 > sd 9:0:0:0: Attached scsi disk sdc Well, apparently the default_dev_flags syntax does what I intended... :-) Thanks for testing. -- Stefan Richter -=====-=-==- --=- =-=-- http://arcgraph.de/sr/