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=-4.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 58092C433B4 for ; Sun, 16 May 2021 01:20:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28DD56117A for ; Sun, 16 May 2021 01:20:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232005AbhEPBVm (ORCPT ); Sat, 15 May 2021 21:21:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:34446 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231608AbhEPBVm (ORCPT ); Sat, 15 May 2021 21:21:42 -0400 Received: by mail.kernel.org (Postfix) with ESMTPS id 450216117A for ; Sun, 16 May 2021 01:20:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1621128028; bh=+IXPs0RBIldAsdbidTzmnYIo/1tnnioj0r7k1KIwYao=; h=From:To:Subject:Date:In-Reply-To:References:From; b=Ul+PHF+GwltY5TqPhFz1uGA1BPdI453jYM0DTsrtRuOZWOK5dT5FvziHYv3rsmNiB +DO/cS+ccmABs1V0akiK1SMO1FrJ8ubLG1bDQnjZnTgHpLYbRWu9S+zOLGcRnu9wYR 1V5T+WigjAeIP8lMdzR7TZqWY9iA/dTlnm4I7Xj7d/IA3mU/168N8jrcNqX6V+AAum CrANBDlMlw9Tw2Uoffcb9MIRJO6sMbu0T7ARvjN0gRsAu7pVdbXKnagvtgmJ2glpV1 9SIlzik2jqPcV36bIFpbyveWYBhObAUiHVHR4nePUoucCckTAGZcD0nmCk1RATsY/F oz2jBwfKeINYg== From: bugzilla-daemon@bugzilla.kernel.org To: linux-usb@vger.kernel.org Subject: [Bug 213081] usb-storage / uas Genesys Logic Card Reader no longer working on 5.12 Date: Sun, 16 May 2021 01:20:27 +0000 X-Bugzilla-Reason: None X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: AssignedTo drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Product: Drivers X-Bugzilla-Component: USB X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: stern@rowland.harvard.edu X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: drivers_usb@kernel-bugs.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D213081 --- Comment #6 from Alan Stern (stern@rowland.harvard.edu) --- Here's where the difference shows up. In the 5.11 log: ffff8881259c3540 48224904 S Bo:6:004:2 -115 31 =3D 55534243 03000000 600000= 00 80000603 00000060 00000000 00000000 000000 ffff8881259c3540 48224939 C Bo:6:004:2 0 31 > ffff888102854900 48224942 S Bi:6:004:1 -115 96 < ffff888102854900 48225040 C Bi:6:004:1 -121 18 =3D 70000200 0000000a 000000= 00 3a000000 0000 ffff8881259c3540 48225042 S Bi:6:004:1 -115 13 < ffff8881259c3540 48225112 C Bi:6:004:1 -32 0 ffff8881259c3540 48225115 S Co:6:004:0 s 02 01 0000 0081 0000 0 ffff8881259c3540 48225522 C Co:6:004:0 0 0 ffff8881259c3540 48225525 S Bi:6:004:1 -115 13 < ffff8881259c3540 48225598 C Bi:6:004:1 0 13 =3D 55534253 03000000 4e000000 = 00 In the 5.12 log: ffff88812366e6c0 273105524 S Bo:6:010:2 -115 31 =3D 55534243 03000000 60000= 000 80000603 00000060 00000000 00000000 000000 ffff88812366e6c0 273105551 C Bo:6:010:2 0 31 > ffff88815e5c5c00 273105558 S Bi:6:010:1 -115 96 < ffff88815e5c5c00 273105676 C Bi:6:010:1 -121 18 =3D 70000200 0000000a 00000= 000 3a000000 0000 ffff88812366e6c0 273105682 S Bi:6:010:1 -115 13 < ffff88812366e6c0 273105860 C Bi:6:010:1 0 0 ffff88812366e6c0 273105864 S Bi:6:010:1 -115 13 < ffff88812366e6c0 303293804 C Bi:6:010:1 -104 0 In both of these, the computer asks for a 96-bytes of sense data and the de= vice responds with only 18 bytes. Then when the computer asks for a status code, the device is supposed to respond with a STALL (code -32 in the trace). Th= is does happen (in the sixth line) under 5.11, but under 5.12 the STALL isn't reported. Things get worse from there. This appears to be a bug in the xhci-hcd driver. I can't tell you how to d= ebug that driver; your best approach is probably to use bisection to find the co= mmit between 5.11 and 5.12 responsible for introducing the bug. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are watching the assignee of the bug.=