From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Dr. Ernst Molitor" Subject: Re: Fw: PROBLEM: Linux V. 2.6.3 panics with "Buffers at physical address >16Mb used for aha1542" at boot time Date: Fri, 20 Feb 2004 21:17:26 +0100 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <1077308246.1277.4.camel@felicia> References: <20040218171212.0eb6618a.akpm@osdl.org> <1077243517.2164.61.camel@mulgrave> <1077265837.1297.9.camel@felicia> <1077295765.1937.0.camel@mulgrave> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: Received: from mibi03.meb.uni-bonn.de ([131.220.21.4]:54800 "EHLO mibi03.meb.uni-bonn.de") by vger.kernel.org with ESMTP id S261401AbUBTURg (ORCPT ); Fri, 20 Feb 2004 15:17:36 -0500 In-Reply-To: <1077295765.1937.0.camel@mulgrave> List-Id: linux-scsi@vger.kernel.org To: James Bottomley Cc: Andrew Morton , SCSI Mailing List , molitor@uni-bonn.de Dear James Bottomley, thank you very much for your patch; I have applied it, but it does not appreciably change things. The messages (as far as I can read it - I'm still missing the first few lines...) have not changed at all, and booting still ends up in a kernel panic. I'd be more than happy to check out additional patches ... Best wishes and regards, Ernst On Fri, 2004-02-20 at 08:49 -0800, James Bottomley wrote: > On Fri, 2004-02-20 at 00:30, Dr. Ernst Molitor wrote: > > Please don't hesitate to contact me if I can be of any further help in > > this matter. > > The problem seems to be a non-GFP_DMA allocation in sr.c. Could you try > this patch? > > Thanks, > > James > > ===== drivers/scsi/sr.c 1.98 vs edited ===== > --- 1.98/drivers/scsi/sr.c Mon Feb 9 12:59:10 2004 > +++ edited/drivers/scsi/sr.c Fri Feb 20 08:47:55 2004 > @@ -716,7 +716,7 @@ > set_disk_ro(cd->disk, 1); > > /* allocate a request for the TEST_UNIT_READY */ > - SRpnt = scsi_allocate_request(cd->device, GFP_KERNEL); > + SRpnt = scsi_allocate_request(cd->device, GFP_KERNEL | GFP_DMA); > if (!SRpnt) { > printk(KERN_WARNING "(get_capabilities:) Request allocation " > "failure.\n"); > > > ______________________________________ > Inflex - installed on mailserver for domain @mibi03.meb.uni-bonn.de > Queries to: postmaster@mibi03.meb.uni-bonn.de