Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261906AbVDOSRx (ORCPT ); Fri, 15 Apr 2005 14:17:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261908AbVDOSRv (ORCPT ); Fri, 15 Apr 2005 14:17:51 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:54433 "EHLO pentafluge.infradead.org") by vger.kernel.org with ESMTP id S261906AbVDOSQW (ORCPT ); Fri, 15 Apr 2005 14:16:22 -0400 Subject: Re: Adaptec 2010S i2o + x86_64 doesn't work From: Arjan van de Ven To: Markus Lidel Cc: Alan Cox , Miquel van Smoorenburg , Linux Kernel Mailing List In-Reply-To: <426003AB.3060904@shadowconnect.com> References: <20050413160352.GA12841@xs4all.net> <1113576775.11116.17.camel@localhost.localdomain> <1113581722.14421.15.camel@zahadum.xs4all.nl> <1113587286.11114.30.camel@localhost.localdomain> <426003AB.3060904@shadowconnect.com> Content-Type: text/plain Date: Fri, 15 Apr 2005 20:16:11 +0200 Message-Id: <1113588972.6694.78.camel@laptopd505.fenrus.org> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 (2.0.4-2) Content-Transfer-Encoding: 7bit X-Spam-Score: 3.7 (+++) X-Spam-Report: SpamAssassin version 2.63 on pentafluge.infradead.org summary: Content analysis details: (3.7 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- 1.1 RCVD_IN_DSBL RBL: Received via a relay in list.dsbl.org [] 2.5 RCVD_IN_DYNABLOCK RBL: Sent directly from dynamic IP address [80.57.133.107 listed in dnsbl.sorbs.net] 0.1 RCVD_IN_SORBS RBL: SORBS: sender is listed in SORBS [80.57.133.107 listed in dnsbl.sorbs.net] X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1261 Lines: 29 On Fri, 2005-04-15 at 20:10 +0200, Markus Lidel wrote: > Hello, > > Alan Cox wrote: > > On Gwe, 2005-04-15 at 17:15, Miquel van Smoorenburg wrote: > >>However, I removed 2 GB from the box as Alan sugggested and now the box > >>comes up just fine with a 64-bit 2.6.11.6 kernel! I've put the 4GB back, > >>and booted with the kernel "mem=2048" command line option - that also > >>works, the i2o_block driver sees the adaptec controller just fine. > >>And I just booted it with "mem=3840M" and that works too. > >>So the problem appears to be 4 GB memory in 64 bit mode, on this box. > > OK, i never tried it with 4 GB so it really could be a problem... > > > Or the driver is incorrectly handling 64/32bit DMA limit masks which > > would be my first guess here, and would explain why it works on AMD > > Athlon64 boxes. > > Hmmm, i only set DMA_32BIT_MASK and don't do anything special on 64-bit > systems... Is there anything else to do for correct DMA mapping? are you sure the HW isn't 31 bit by accident ? - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/