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=-5.3 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 E7B21C433ED for ; Mon, 19 Apr 2021 20:01:32 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 65AE2600CD for ; Mon, 19 Apr 2021 20:01:32 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 65AE2600CD Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ilande.co.uk Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:42730 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lYa5L-0007kF-9b for qemu-devel@archiver.kernel.org; Mon, 19 Apr 2021 16:01:31 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:53110) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lYZip-0003MT-6C for qemu-devel@nongnu.org; Mon, 19 Apr 2021 15:38:16 -0400 Received: from mail.ilande.co.uk ([2001:41c9:1:41f::167]:53972 helo=mail.default.ilande.uk0.bigv.io) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lYZim-00014K-KQ for qemu-devel@nongnu.org; Mon, 19 Apr 2021 15:38:14 -0400 Received: from host86-132-83-131.range86-132.btcentralplus.com ([86.132.83.131] helo=[192.168.1.110]) by mail.default.ilande.uk0.bigv.io with esmtpsa (TLS1.3:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.92) (envelope-from ) id 1lYZj2-0003l1-UK; Mon, 19 Apr 2021 20:38:29 +0100 To: Cornelia Huck References: <20210419090551.4a3ae4eb.cohuck@redhat.com> <20210419190224.33408d0e.cohuck@redhat.com> From: Mark Cave-Ayland Message-ID: <666985ba-349f-bbdf-10fd-ec1becb64cd7@ilande.co.uk> Date: Mon, 19 Apr 2021 20:38:05 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.9.0 MIME-Version: 1.0 In-Reply-To: <20210419190224.33408d0e.cohuck@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-SA-Exim-Connect-IP: 86.132.83.131 X-SA-Exim-Mail-From: mark.cave-ayland@ilande.co.uk Subject: Re: any remaining for-6.0 issues? X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on mail.default.ilande.uk0.bigv.io) Received-SPF: pass client-ip=2001:41c9:1:41f::167; envelope-from=mark.cave-ayland@ilande.co.uk; helo=mail.default.ilande.uk0.bigv.io X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, NICE_REPLY_A=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Laurent Vivier , Peter Maydell , Thomas Huth , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , Richard Henderson , QEMU Developers , =?UTF-8?Q?Alex_Benn=c3=a9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 19/04/2021 18:02, Cornelia Huck wrote: >> That patch seems to be our best candidate so far, but the intermittent >> nature of the failures make it hard to pin down... I don't see anything >> obviously wrong with the patch, maybe some linux-user experts have a >> better idea? > > FWIW, I tried reproducing the issue on some local systems (no luck), > and on code pushed out to gitlab (where it works most of the time, and > the user builds where it fails are unpredictable.) > > I fear the best we can do right now is stare at the code and try to > figure out what might be wrong :( Is there any particular reason why the unsigned long cast was removed from the front? Could that have an effect? ATB, Mark.