From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matthew Wilcox Subject: Re: [sym2] Re: Problem with 2.6.14 and up... Date: Wed, 23 Nov 2005 09:43:42 -0700 Message-ID: <20051123164342.GV1598@parisc-linux.org> References: <20051123134327.GS1598@parisc-linux.org> <20051123143508.GT1598@parisc-linux.org> <200511231723.45088.jsanchez@todounix.homeip.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from palinux.external.hp.com ([192.25.206.14]:18844 "EHLO palinux.hppa") by vger.kernel.org with ESMTP id S932071AbVKWQnp (ORCPT ); Wed, 23 Nov 2005 11:43:45 -0500 Content-Disposition: inline In-Reply-To: <200511231723.45088.jsanchez@todounix.homeip.net> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: Jos? Luis S?nchez Cc: linux-scsi@vger.kernel.org On Wed, Nov 23, 2005 at 05:23:44PM +0100, Jos? Luis S?nchez wrote: > El Mi?rcoles, 23 de Noviembre de 2005 15:35, Matthew Wilcox escribi?: > > On Wed, Nov 23, 2005 at 06:43:27AM -0700, Matthew Wilcox wrote: > > > 2. Can you try a later kernel? If you have git, you can pull from > > > git://git.kernel.org/pub/scm/linux/kernel/git/willy/sym2.git > > > otherwise http://www.parisc-linux.org/~willy/sym2-2.2.2.diff applies > > > to a 2.6.15-rc1 kernel. > > > > I also noticed that akpm put out 2.6.15-rc2-mm1 today which includes the > > sym2 patches, so you could try that instead. > > I've tried the patch in a 2.6.15-rc2 (patched OK) with the same result, a bus > reset and a bunch of "phase change..." messages. Any probe what I can try to > stress the driver? Hmm. Not sure at this point. Let me think about it for a bit. > Another minor glitch never reported is what the device id 5 is a DDS-4 DAT, > with a UW interface. But the driver reports a synchronous speed of 20 MB/sec, > I don't know why... > In Solaris 10 x86 this DAT works very well at 40 MB/sec. This problem exists > from all the 2.4 kernel series. Seems to me that it's not negotiating wide, for some reason. cat /sys/class/spi_transport/target0:0:5/width (should be 0) Then try echo 1 >/sys/class/spi_transport/target0:0:5/width You'll then have to get it to perform some IO to the device -- an 'mt status' should do the trick.