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 X-Spam-Level: X-Spam-Status: No, score=-6.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6547C433ED for ; Tue, 27 Apr 2021 07:10:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 83A816112F for ; Tue, 27 Apr 2021 07:10:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237360AbhD0HLk (ORCPT ); Tue, 27 Apr 2021 03:11:40 -0400 Received: from mail.kernel.org ([198.145.29.99]:40432 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234935AbhD0HLR (ORCPT ); Tue, 27 Apr 2021 03:11:17 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id C0981601FC; Tue, 27 Apr 2021 07:10:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619507434; bh=PS53Gpu/1d0UzbzeA6E+pf6pgTHFckgmKwr+rR1FtDA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=TADD7yPotKktskvaEKB9+4Or3WNCSyKMWJPW/rq1z37Mh8aecDwdxuN1lulUrRO4Q Z7JEHh05sxPzydqqQN3NfF7BIFN3pSXNfMbHU1GPfIryBSDMfSh1PEa+TPJ8rJ1Mf0 z9fTdeGL7mVpmVJ7I5fWCNKWjUiKJhYgceH1hF/EMe+89maYA3YDY6mbqyXrseO5MY LEfvFzf6hrgtw4TewuBcJsFZBBCCcWLB1+XMmNVhZiAEkZbDKTUlBMBqXJ7Lx7iUXh Edotjzpvt5oRHMb9r9qDWgA4V1nRlteR9xMWrRGvu+dC6TMMlvePDhl2owZd+sahQO Gv2CwQt1AhUfA== Received: from johan by xi.lan with local (Exim 4.93.0.4) (envelope-from ) id 1lbHrs-0001JR-0h; Tue, 27 Apr 2021 09:10:48 +0200 Date: Tue, 27 Apr 2021 09:10:48 +0200 From: Johan Hovold To: =?utf-8?Q?Niccol=C3=B2?= Belli Cc: linux-usb@vger.kernel.org Subject: Re: cdc_acm 2-2:1.0: acm_port_activate - usb_submit_urb(ctrl irq) failed Message-ID: References: <2fd1819252485b07e38f5154592dad43@linuxsystems.it> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2fd1819252485b07e38f5154592dad43@linuxsystems.it> Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org On Mon, Apr 26, 2021 at 09:55:06PM +0200, Niccolò Belli wrote: > My Aeon Labs ZWave USB stick doesn't work anymore since 5.11.12-arch1-1: > [ 193.677337] usb 2-2: new full-speed USB device number 5 using xhci_hcd > [ 193.818112] usb 2-2: New USB device found, idVendor=0658, > idProduct=0200, bcdDevice= 0.00 > [ 193.818117] usb 2-2: New USB device strings: Mfr=0, Product=0, > SerialNumber=0 > [ 194.372999] cdc_acm 2-2:1.0: ttyACM0: USB ACM device > [ 194.373197] usbcore: registered new interface driver cdc_acm > [ 194.373199] cdc_acm: USB Abstract Control Model driver for USB modems > and ISDN adapters > [ 200.173616] cdc_acm 2-2:1.0: acm_port_activate - usb_submit_urb(ctrl > irq) failed > > It works fine on 5.11.11-arch1-1 and on a Fedora 34 Live USB with kernel > 5.11.16. > Arch's 5.11.16 doesn't work and latest Arch's linux-lts doesn't work > either. I'm afraid this is a known regression due to a buggy stable backport. The fix is now in Linus's tree: a8b3b519618f ("USB: CDC-ACM: fix poison/unpoison imbalance") and should be backported very soon. Johan