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=-6.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED 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 4F3D3C433B4 for ; Fri, 23 Apr 2021 08:31:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0355361425 for ; Fri, 23 Apr 2021 08:31:49 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241461AbhDWIcZ (ORCPT ); Fri, 23 Apr 2021 04:32:25 -0400 Received: from mail.kernel.org ([198.145.29.99]:51368 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230059AbhDWIcY (ORCPT ); Fri, 23 Apr 2021 04:32:24 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 52CBA613F6; Fri, 23 Apr 2021 08:31:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1619166707; bh=UTKjXg0Fo1WvYRmXNNct4uDb8EX9vH7DcV26g2bH08c=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=j4Oz+VIDPlc0OWgF8YLOw2+vACOaNt9iBNFoCxucmcUodgaeFriWlwj+tuT/xxJsO r4gDSjcZjFlM09gLihqJRU0OZh8mqRZ7Qn5XVXg91D5IGZNc11lMfFAA/uudfISok/ Llg/pdmeLnPrzs3ZbNPNYc3kWL7P+hGFPXpKUFXIFEmVPqNE3+6+ZjQAQgvLhHl34K yvKg/pKKXKxv4V1zEyzGTW6MvjA6cScsyZzZa387o/pf62tPMaJQ5cVCOLOEaadBHH rBlfYxNoBmZnPXaQCf4pD8bcnf4N2kkLYcGxWootqaVt8uOoViFOXRqQgJP6DIl5ik 2VEkyhibIXudg== Received: from johan by xi.lan with local (Exim 4.93.0.4) (envelope-from ) id 1lZrEA-00029D-Rh; Fri, 23 Apr 2021 10:31:55 +0200 Date: Fri, 23 Apr 2021 10:31:54 +0200 From: Johan Hovold To: bugzilla-daemon@bugzilla.kernel.org Cc: linux-usb@vger.kernel.org Subject: Re: [Bug 212751] New: acm_port_activate - usb_submit_urb(ctrl irq) failed after kernel update 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 Thu, Apr 22, 2021 at 04:32:51PM +0000, bugzilla-daemon@bugzilla.kernel.org wrote: > https://bugzilla.kernel.org/show_bug.cgi?id=212751 > > Bug ID: 212751 > Summary: acm_port_activate - usb_submit_urb(ctrl irq) failed > after kernel update > Product: Drivers > Version: 2.5 > Kernel Version: 5.10.30 > Hardware: All > OS: Linux > Tree: Mainline > Status: NEW > Severity: normal > Priority: P1 > Component: USB > Assignee: drivers_usb@kernel-bugs.kernel.org > Reporter: johann.wilhelm@wilhelm.consulting > Regression: No > > Something between 5.10.26 and 5.20.30 broke (at least) the USB CDC > implementation by ST Microsystems on their STM32 devices. > > On opending of the device following error occurs: > [ 1333.790160] cdc_acm 1-10:1.0: acm_port_activate - usb_submit_urb(ctrl irq) > failed > > > 5.10.26 works - 5.10.30 does not. This is likely due to commit 6069e3e927c8 ("USB: cdc-acm: untangle a circular dependency between callback and softint") which had a bug that was just fixed by commit a8b3b519618f ("USB: CDC-ACM: fix poison/unpoison imbalance"). You can try applying the latter yourself but it will otherwise show up in stable soon. Johan