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 18605C433F5 for ; Mon, 28 Feb 2022 20:27:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229628AbiB1U16 (ORCPT ); Mon, 28 Feb 2022 15:27:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229486AbiB1U15 (ORCPT ); Mon, 28 Feb 2022 15:27:57 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B1AE3593A8 for ; Mon, 28 Feb 2022 12:27:18 -0800 (PST) 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 4DD7B60C5A for ; Mon, 28 Feb 2022 20:27:18 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 39A68C340F1; Mon, 28 Feb 2022 20:27:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646080037; bh=Q3mP8w8OsQQ2Y9KXzq2XzdNJyMg4kfyw2J48lUhGpbc=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=P/30AzS8wPTd3A6QzcYrf1ofX3Xe7eoUbl6lVAXbKGuOAC//akJc6eNF4TXKkO4jI rJpLPAkha4Lvoiu8lOFT/otOxAveUrXDcolhokHmxZToipkjty8NcK7cDEUsfiZv31 z1DJ9ZTSFSouhFwB/xRBZ8V9vKFlTU3QoMhtYaJk= Date: Mon, 28 Feb 2022 21:27:12 +0100 From: "gregkh@linuxfoundation.org" To: micklorain Cc: "andriy.shevchenko@linux.intel.com" , "linux-usb@vger.kernel.org" , "mathias.nyman@intel.com" Subject: Re: [PATCH v1] usb: hcd: Try MSI interrupts on PCI devices Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Mon, Feb 28, 2022 at 08:12:47PM +0000, micklorain wrote: > Hi, > > This patch breaks USB for me. I noticed when I upgraded from debian's 4.19.0-18 (working) to 5.10.0-10 (broken). I git bisect'ed until I found that this patch is the culprit. Upstream 5.17.0-rc2 is still broken, but 5.17.0-rc2 with this patch reverted works. > > lsusb when things work : > https://paste.debian.net/hidden/2a964425/ > > lsusb when things are broken : > https://paste.debian.net/hidden/0376920c/ > > dmesg when things are broken : > https://paste.debian.net/hidden/780ca112/ This dmesg says: [ 1.049161] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug have you tried that? > > dmesg when things work : > https://paste.debian.net/hidden/4d1bfc0f/ The messages here look different for PCI, can you diff them? I see: [ 0.342113] PCI: PCI BIOS area is rw and x. Use pci=nobios if you want it NX. [ 0.342178] PCI: PCI BIOS revision 3.00 entry at 0xf0031, last bus=3 [ 0.342180] PCI: Using configuration type 1 for base access That's not in the "failing" system, are you sure that's the only change here? thanks, greg k-h