From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A666C77B7A for ; Tue, 6 Jun 2023 22:13:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230504AbjFFWM6 (ORCPT ); Tue, 6 Jun 2023 18:12:58 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233644AbjFFWM6 (ORCPT ); Tue, 6 Jun 2023 18:12:58 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 105D91717 for ; Tue, 6 Jun 2023 15:12:57 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 8D62962DA3 for ; Tue, 6 Jun 2023 22:12:56 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id B0773C433D2; Tue, 6 Jun 2023 22:12:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1686089575; bh=yN3RExtJaGZ1t3aiUV1phJOd2MrmNOmCqEWfCiWwUHA=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=rvr3hDYmc5j0JFWEgUgzfnZAl1/yv1+BUsMGhq0Xk30H1KxPOD9M/wgJ77hugDo4c 4S5PBlC/M63AKz8Hs6/dc2hRu/XpsWGI9Mv1iCH9+sStEf7NyV86QP5eAZT6sxVmVb cqWxobdHWdnKI0teCabG1qk3mI4DIJyaLcQWnYMCim4F7JJ2X0tKjzMwWsFJ89wAKW 24D2CqCO2zVfTmXDG7j9gO772ToTJB0Q+FeBa43j1BTI/X1MMw+mq6X0MuCIb5xfiB W/dOgD1ik6tKIr01BsBRI+XpOCqLoiynNWfyJ0sIErVZVcXjHIhuDkqPcScfh6Fh4A js8dSr9Vq8WfQ== Date: Tue, 6 Jun 2023 17:12:54 -0500 From: Bjorn Helgaas To: Damien Dejean Cc: linux-pci@vger.kernel.org Subject: Re: Old Asus doesn't seem to support MSI Message-ID: <20230606221254.GA1146708@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <19F46F0C-E9C8-489E-8AA5-2A16E13A6FE9@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Sat, Jun 03, 2023 at 05:52:14PM +0200, Damien Dejean wrote: > Hi linux-pci, > > I recently installed Debian with a 5.10 kernel on an old Asus X73SL > laptop. To be able to boot and use it properly I needed to use > pci=nomsi, it seems that neither the GeForce9300M or the atheros > wifi card (both PCI-E) would work with MSI enabled. > > I’m suspecting now the chipset does not support MSI at all. I’d be > happy to contribute the quirks to the kernel if it is the case. > Could you give me some guidelines to verify this hypothesis ? Should > I check the ACPI table to see if the information is available ? How > can I check if MSI is supposed to be supported or not ? Thanks a lot for the report! Users should never have to use "pci=nomsi", so it would be good if we can fix this. Can you collect the complete dmesg log? Also the output of "sudo lspci -vv"? There is a bit in ACPI that tells us if we can't enable MSI, but we should mention that in the dmesg log if it's set. Bjorn