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=-3.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,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 184AEC4338F for ; Thu, 5 Aug 2021 17:41:27 +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 A54BD610A2 for ; Thu, 5 Aug 2021 17:41:26 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org A54BD610A2 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:52080 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mBhMz-0007dC-Rj for qemu-devel@archiver.kernel.org; Thu, 05 Aug 2021 13:41:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57790) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mBhLm-0005wE-Km for qemu-devel@nongnu.org; Thu, 05 Aug 2021 13:40:10 -0400 Received: from mail-ed1-x536.google.com ([2a00:1450:4864:20::536]:41577) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mBhLk-0004qn-T9 for qemu-devel@nongnu.org; Thu, 05 Aug 2021 13:40:10 -0400 Received: by mail-ed1-x536.google.com with SMTP id x90so9496082ede.8 for ; Thu, 05 Aug 2021 10:40:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=nV4hbXKvvVxaj4uxhsJ6nqbQ8LQl78Q82EIDvvNEuEk=; b=nk+p5pL+BdT53geBrPr0Su0G1Cd2EXEtDLfolSr6wwK9N+wjFxKUl9y7lPjKnc4PJp kRDbdDNxH9j/EUg1IThLoNvb7hfpOqkMYwlP8MUtfTHkdIj4zJzUZXkTMBNB4/oiszOe LTh/ozfyMApZDwUU8ofblV6ZNs9BtDV5nvH+b57WAiWuupis4Ye1GdHgsZymADEsAa9Y z0mIfkDiJnN9ELK2m+IuKO9OsP14yYs2qWu+SYP0Jk8f4Ka1OaYXRZfOYh4sVpR2dlp9 Mv+IRXOwSgQ+zbGkQFZ5T2G0wx8+FqtpXZhyx+lhXHKG+bpkgNnU3WLzxih3qAuMS7zY NBVQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=nV4hbXKvvVxaj4uxhsJ6nqbQ8LQl78Q82EIDvvNEuEk=; b=k4UKkE2Bs0rtPlLLjmQC7BITTe3ag49pTMUEwpcS6ep+2NZwXXliymNXCJZCd3Ksi3 D3CDTY6xM7uVfcOGJQ4l1cX5tTFdfY2iXKVCfZKlscfeIDI0wx26tcTvwaP+ENXX9AfF S1ykAyiFeZa25bIvSHLiZn39gOEzVFyfQMBN32CwNfq1HCZ8zxopxrYhKUpXF61s58pn nFr6BU4vEsjqQA/7mwOK18DghP/LBew/Mj4x7R5J/C0kr01QFIJ9oXJaYi1Szr4QyZeH FkdtOdw6ORqU43p+W/BA5OkDXrKVHhpjjyvDTAdHSmQio/wDqL6eRbzFWmnofvxB+v3Y 6Vig== X-Gm-Message-State: AOAM533I2PRt+Gf0oOxIZbCoWa1cRgzrNVZ0HxdCR3YB3lTfb59VEGCn CMPYtMLXDul511xmZbwcV7sHQz7sKlNkT3+uNNLyrA== X-Google-Smtp-Source: ABdhPJyQxqaDU10UavPC8MvjvT8rWm4AV2wWvLf5A4TiVa0tFBwYV7L8+y/Yj3ZwrgcCZOT/ye3iap6ZM476AbgqErk= X-Received: by 2002:aa7:d30e:: with SMTP id p14mr8007453edq.204.1628185206337; Thu, 05 Aug 2021 10:40:06 -0700 (PDT) MIME-Version: 1.0 References: <20210804094231-mutt-send-email-mst@kernel.org> In-Reply-To: From: Peter Maydell Date: Thu, 5 Aug 2021 18:39:22 +0100 Message-ID: Subject: Re: intermittent failure, s390 host, x86-64 guest, vhost-user-blk test To: "Michael S. Tsirkin" Content-Type: text/plain; charset="UTF-8" Received-SPF: pass client-ip=2a00:1450:4864:20::536; envelope-from=peter.maydell@linaro.org; helo=mail-ed1-x536.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, 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: Kevin Wolf , QEMU Developers , Raphael Norwitz , Stefan Hajnoczi , Paolo Bonzini , Max Reitz , Eric Blake , Stefano Garzarella Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Wed, 4 Aug 2021 at 15:33, Peter Maydell wrote: > > On Wed, 4 Aug 2021 at 14:43, Michael S. Tsirkin wrote: > > > > On Wed, Aug 04, 2021 at 01:40:37PM +0100, Peter Maydell wrote: > > > Saw this intermittent as part of my ad-hoc CI test setup. > > > The backtrace says that the QEMU process has somehow hung > > > during 'realize' of the vhost-user device... > > > > Hmm seems to have to do with the daemon not responding ... > > Cc a bunch more people ... > > Here's another one; same thing, but a ppc64 guest, I think. Ran into this again; I'll spare you the backtraces but it was the same 'hang in realize', this one for qemu-system-i386. Same s390 host. This seems to be a fairly frequent intermittent -- can somebody have a look at it ? -- PMM