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Wed, 30 Oct 2024 09:26:13 +0000 (UTC) Received: from dovecot-director2.suse.de ([2a07:de40:b281:106:10:150:64:167]) by imap1.dmz-prg2.suse.org with ESMTPSA id ZOkqLbX7IWd3IwAAD6G6ig (envelope-from ); Wed, 30 Oct 2024 09:26:13 +0000 Date: Wed, 30 Oct 2024 10:25:49 +0100 From: Thomas Bogendoerfer To: Magnus Lindholm Cc: "Maciej W. Rozycki" , "Martin K. Petersen" , linux-scsi@vger.kernel.org Subject: Re: qla1280 driver for qlogic-1040 on alpha Message-ID: <20241030102549.572751ec@samweis> In-Reply-To: References: X-Mailer: Claws Mail 4.3.0 (GTK 3.24.34; x86_64-suse-linux-gnu) Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -3.80 X-Spamd-Result: default: False [-3.80 / 50.00]; BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_RHS_NOT_FQDN(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; MIME_TRACE(0.00)[0:+]; FREEMAIL_TO(0.00)[gmail.com]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; FREEMAIL_ENVRCPT(0.00)[gmail.com]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[4]; RCVD_TLS_ALL(0.00)[]; TO_MATCH_ENVRCPT_ALL(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo] X-Spam-Flag: NO X-Spam-Level: On Wed, 30 Oct 2024 08:52:44 +0100 Magnus Lindholm wrote: > I've found a few datasheets from qlogic, on ISP1040x, ISP1080 and > ISP10160. The ISP1040 doesn't mention any 64-bit capabilities in the > chip. the datasheet is wrong. QL1040 supports 64bit addresses via DAC, otherwise it wouldn't work on SGI Origin and SGI Octane systems. Your patch breaks them (verified on a Octane). So your problem might not be in the scsi driver, but a PCI setup problem for the bus of the 32bit PCI slot in your system. If this bus doesn't support DAC it IMHO shoulnd't allow 64bit PCI addresses. Thomas. --=20 SUSE Software Solutions Germany GmbH HRB 36809 (AG N=C3=BCrnberg) Gesch=C3=A4ftsf=C3=BChrer: Ivo Totev, Andrew McDonald, Werner Knoblich