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 E00E9C433F5 for ; Fri, 3 Dec 2021 17:24:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1353084AbhLCR2U (ORCPT ); Fri, 3 Dec 2021 12:28:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37720 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239848AbhLCR2U (ORCPT ); Fri, 3 Dec 2021 12:28:20 -0500 Received: from wp530.webpack.hosteurope.de (wp530.webpack.hosteurope.de [IPv6:2a01:488:42:1000:50ed:8234::]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D7423C061751; Fri, 3 Dec 2021 09:24:55 -0800 (PST) Received: from ip4d173d4a.dynamic.kabel-deutschland.de ([77.23.61.74] helo=[192.168.66.200]); authenticated by wp530.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) id 1mtCIn-0003QH-7t; Fri, 03 Dec 2021 18:24:53 +0100 Message-ID: Date: Fri, 3 Dec 2021 18:24:52 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 Subject: Re: Regression: plugging in USB scanner breaks all USB functionality #forregzbot Content-Language: en-BS From: Thorsten Leemhuis Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org References: <35f7428b39f996c793f5b4a6a314772681c73d7a.camel@apache.org> <3eb9c3f8-6bca-da08-47ec-af2a02d6a485@leemhuis.info> To: regressions@lists.linux.dev In-Reply-To: <3eb9c3f8-6bca-da08-47ec-af2a02d6a485@leemhuis.info> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-bounce-key: webpack.hosteurope.de;regressions@leemhuis.info;1638552295;ea523916; X-HE-SMSGID: 1mtCIn-0003QH-7t Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 02.12.21 16:13, Thorsten Leemhuis wrote: > Hi, this is your Linux kernel regression tracker speaking. > > Thanks for the report. > > Top-posting for once, to make this easy accessible to everyone. > > FWIW, 5.14 is EOL, so it might not be fixed there. As the problem is in > newer kernels as well, I suspect that it was a change applies to 5.15 or > 5.16 that got backported. Maybe one of the developers might have an idea > which commit causes it. If that's not the case you likely should try a > bisection to find the culprit. Performing one between v5.14.11..v5.14.14 > is likely the easiest and quickest way to find it. > > To be sure this issue doesn't fall through the cracks unnoticed, I'm > adding it to regzbot, my Linux kernel regression tracking bot: > > #regzbot ^introduced v5.14.11..v5.14.14 > #regzbot title usb: plugging in USB scanner breaks all USB functionality > [regression present in 5.15.2 und 5.16-rc3, too] > #regzbot ignore-activity #regzbot introduced ff0e50d3564f #regzbot fixed-by 385b5b09c3546c87cfb730b76abe5f8d73c579a2 Ciao, Thorsten, your Linux kernel regression tracker P.S.: this mail is primarily send for documentation purposes and for regzbot, my Linux kernel regression tracking bot. These mails usually contain '#forregzbot' in the subject, to make them easy to spot and filter.