From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from rhirst.linuxcare.com (pc2-hems4-0-cust100.bre.cable.ntl.com [213.107.176.100]) by dsl2.external.hp.com (Postfix) with ESMTP id 6D414482B for ; Wed, 19 Dec 2001 14:04:40 -0700 (MST) Received: by rhirst.linuxcare.com (Postfix, from userid 501) id 59CF2B00C; Wed, 19 Dec 2001 21:03:29 +0000 (GMT) Date: Wed, 19 Dec 2001 21:03:29 +0000 From: Richard Hirst To: Grant Grundler Cc: Andy Walker , parisc-linux@parisc-linux.org Subject: Re: [parisc-linux] Status report - B132L and 725/100 Message-ID: <20011219210329.E1897@linuxcare.com> References: <1008589643.3c1ddb4b75583@nyepost.start.no> <1008594958.3c1df00ed9750@nyepost.start.no> <20011219113621.X1897@linuxcare.com> <1008771313.3c20a0f14484a@nyepost.start.no> <20011219165635.3E405482A@dsl2.external.hp.com> <001b01c188cb$cb1eda60$0201a8c0@andy> <20011219204048.2140B482A@dsl2.external.hp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20011219204048.2140B482A@dsl2.external.hp.com>; from grundler@dsl2.external.hp.com on Wed, Dec 19, 2001 at 01:40:48PM -0700 Sender: parisc-linux-admin@lists.parisc-linux.org Errors-To: parisc-linux-admin@lists.parisc-linux.org List-Help: List-Post: List-Subscribe: , List-Id: parisc-linux developers list List-Unsubscribe: , List-Archive: On Wed, Dec 19, 2001 at 01:40:48PM -0700, Grant Grundler wrote: > "Andy Walker" wrote: > > by the 53c8xx driver, it says differential on the external connector - > > there can't be any doubt, can there? This should all work together. > > It sounds like it should all just work. Especially if HPUX works. > But HPUX sometimes cripples the bus speed or *wideth* based > on what PDC tells it. Perhaps you need to do the same. I really > don't expect any issues with bus speed on differential SCSIs. > Possibly a wide vs narrow bus issue (Chip thinks it's wide and the cabling > is narrow). We see that on C3k still and I started (but didn't finish) > the code to query PDC about Host SCSI ID, bus speed, and width. > > > Anyway, I'll take an known good disk with me tomorrow and try that with > > a different internal cable. I'll also double check that everything is > > still working with HP-UX. More news as it breaks......... > > Yeah - if HPUX boots/talks to the devices, they are basically ok. > It's a matter of getting the linux driver the right parameters then.