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 D1601C4332F for ; Thu, 10 Feb 2022 01:25:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231720AbiBJBZP (ORCPT ); Wed, 9 Feb 2022 20:25:15 -0500 Received: from gmail-smtp-in.l.google.com ([23.128.96.19]:50562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231706AbiBJBZO (ORCPT ); Wed, 9 Feb 2022 20:25:14 -0500 X-Greylist: delayed 7188 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Wed, 09 Feb 2022 17:25:15 PST Received: from hr2.samba.org (hr2.samba.org [IPv6:2a01:4f8:192:486::2:0]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EA453261F; Wed, 9 Feb 2022 17:25:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=samba.org; s=42; h=Cc:To:From:Date:Message-ID; bh=vPnlkbWR5HgIGL04GSDBl0UvRCFHTEXuwzUZuwp1LfE=; b=zblNw58dqdSJhAuts7LK/1qI+H QUA188YjLPPeroeIMzrvUK9e3jE4A3JrXlIpHfhGCNgv7T8DQ4jqFZtBp4p8oXI8NqrS4YSpk7QNW auVgKOp5dz8vArulC+uigNr/hpoFsqfusVAEOVA5H8Xxws/K96v+o9h7mb265vDOe2naQ35exOUSS caW7DPOrZIwXk0LLgx9hEc5EXaJVG2M6ZDZ7cAnJDN3sWx57DPMKxs54vws7TSHLDzbWZ0jXHpxY6 uJp1lcAM7UvDFnQ3YMcCC/vWRbzSF6ViF/7jd5rvuJbRGrWC9rkOxj7XXbzqVPYsKVNHX2Imyxsh+ i13kAd3iJs/E6eSk2lYbXMGXMw0TdDLwyVRf0CnCzhInEhIviqp2CcaaX4q7n1FVy4TkfatEmRhJj T8YzJ3JC1VEkQUWqJeVKATswx6fnl45C4f2eTnDWSTh497Qd+1z1DUl/WdKgTTQBLKPt5dXUAlr/Y xuGTcoH2Mn0C1MPlb8LkKOUd; Received: from [127.0.0.2] (localhost [127.0.0.1]) by hr2.samba.org with esmtpsa (TLS1.3:ECDHE_SECP256R1__ECDSA_SECP256R1_SHA256__CHACHA20_POLY1305:256) (Exim) id 1nHvy7-002zPp-Tj; Wed, 09 Feb 2022 23:01:48 +0000 Message-ID: Date: Thu, 10 Feb 2022 00:01:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.5.0 Content-Language: en-US From: Stefan Metzmacher To: Jens Axboe , Greg Kroah-Hartman Cc: Daniel Black , Salvatore Bonaccorso , Pavel Begunkov , linux-block@vger.kernel.org, io-uring@vger.kernel.org, stable@vger.kernel.org References: <6d0ca779-3111-bc5e-88c0-22a98a6974b8@kernel.dk> <281147cc-7da4-8e45-2d6f-3f7c2a2ca229@kernel.dk> <00d6e7ad-5430-4fca-7e26-0774c302be57@kernel.dk> <3aaac8b2-e2f6-6a84-1321-67409b2a3dce@kernel.dk> <98f8a00f-c634-4a1a-4eba-f97be5b2e801@kernel.dk> <96d6241f-7bf0-cefe-947e-ee03d83fb828@samba.org> <6d6fc76f-880a-938d-64dd-527e6be3009e@kernel.dk> <5217de38-d166-de32-c115-fd34399eb234@samba.org> Subject: Re: uring regression - lost write request In-Reply-To: <5217de38-d166-de32-c115-fd34399eb234@samba.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: io-uring@vger.kernel.org Hi Jens, >>>>>> Looks good to me - Greg, would you mind queueing this up for >>>>>> 5.14-stable? >>>>> >>>>> 5.14 is end-of-life and not getting any more releases (the front page of >>>>> kernel.org should show that.) >>>> >>>> Oh, well I guess that settles that... >>>> >>>>> If this needs to go anywhere else, please let me know. >>>> >>>> Should be fine, previous 5.10 isn't affected and 5.15 is fine too as it >>>> already has the patch. >>> >>> Are 5.11 and 5.13 are affected, these are hwe kernels for ubuntu, >>> I may need to open a bug for them... >> >> Please do, then we can help get the appropriate patches lined up for >> 5.11/13. They should need the same set, basically what ended up in 5.14 >> plus the one I posted today. > > Ok, I've created https://bugs.launchpad.net/bugs/1952222 At least for 5.14 the patch is included in https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-oem/+git/focal/log/?h=Ubuntu-oem-5.14-5.14.0-1023.25 https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-oem/+git/focal/commit/?h=Ubuntu-oem-5.14-5.14.0-1023.25&id=9e2b95e7c9dd103297e6a3ccd98a7bf11ef66921 apt-get install -V -t focal-proposed linux-oem-20.04d linux-tools-oem-20.04d installs linux-image-5.14.0-1023-oem (5.14.0-1023.25) Do we have any reproducer I can use to reproduce the problem and demonstrate the bug if fixed? Thanks! metze