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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 0D1CAC001B0 for ; Wed, 26 Jul 2023 15:43:42 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qOecg-0005it-8f; Wed, 26 Jul 2023 09:32:14 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qOecf-0005iP-1d for qemu-devel@nongnu.org; Wed, 26 Jul 2023 09:32:13 -0400 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qOecd-000529-Dr for qemu-devel@nongnu.org; Wed, 26 Jul 2023 09:32:12 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1690378329; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=FLVtAEqRzGBV+IaqZEZ9f82jqorG7TangF4D2bjtulw=; b=KRPA9GZ0PcpG8fuHaCtvel+PM6jn5HZDu0sCBMQQJILMtZ1z+D01aq17ayW5aJoS+Lw/xP nEBYgVH9bVd6bYGQ26E/tkERTluBH+x+tQZizEy1O3NrA3JF/nwKcAOinsOj+NpBHSHBMZ jxA07GylJu+pHYvUnWt1B0i5I+boynQ= Received: from mail-wr1-f71.google.com (mail-wr1-f71.google.com [209.85.221.71]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-28-FSIHeRMQMlOR4_byvIXfUQ-1; Wed, 26 Jul 2023 09:32:08 -0400 X-MC-Unique: FSIHeRMQMlOR4_byvIXfUQ-1 Received: by mail-wr1-f71.google.com with SMTP id ffacd0b85a97d-314134f403fso3221762f8f.2 for ; Wed, 26 Jul 2023 06:32:07 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1690378327; x=1690983127; h=content-transfer-encoding:in-reply-to:subject:from:references:cc:to :content-language:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=FLVtAEqRzGBV+IaqZEZ9f82jqorG7TangF4D2bjtulw=; b=blnFPw3B0KRO/aB/BoyvQOqP4mJ/UngFEal0mgQWlZBub75w/KGSnUFU/t3EfPPM8N 507fUkwmnyuEBcWrKnslAeuYVVaTLcYZgrT1VBOKZvyyPiu5CcUkyNDALm0rc4Vc7aBU lXnRfmYS2M2/+eFJTfFApzq6HT83wsZERMlxSSoMfEpAwjmlxBMSKLpiD2vQIH/ADRez FijtkQ+iJkBKfRAOdVPWAC4ccBvlOl8snDrd+OHoZYnnH8wj4AV2rNJ3/hqC5O4zjHFy 9LRuUHEZYoRYNfhkuSGFN9fN3N3es3P93DaHKF+e0bCU8dY+AaW4k7gxiz5YlFp2mtLs 5uHA== X-Gm-Message-State: ABy/qLZ2s9j29pxnCA3sKRa5ZbsRgSceiCKwsOdtRF7mS/LC4QQbC5Cp 3e7MA3A3v9IEYLhyymOoWJ1CCzp3rC3n+TwfLfmtfSZgU6oGIer7kqlKUZcnL03y7Xs3l0QtopD Dg51RkBCsUEih67g= X-Received: by 2002:a5d:6143:0:b0:317:759a:8ca8 with SMTP id y3-20020a5d6143000000b00317759a8ca8mr1723702wrt.67.1690378326823; Wed, 26 Jul 2023 06:32:06 -0700 (PDT) X-Google-Smtp-Source: APBJJlFXJHifqfUVXF31jD3rdgXFVgzWNVwTzfH28Ap1C6igyu5/C0F6X/inDvaYMTAxYhfL2dXKVQ== X-Received: by 2002:a5d:6143:0:b0:317:759a:8ca8 with SMTP id y3-20020a5d6143000000b00317759a8ca8mr1723679wrt.67.1690378326474; Wed, 26 Jul 2023 06:32:06 -0700 (PDT) Received: from [192.168.0.3] (ip-109-43-176-0.web.vodafone.de. [109.43.176.0]) by smtp.gmail.com with ESMTPSA id c1-20020adfe701000000b00311299df211sm19861338wrm.77.2023.07.26.06.32.05 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 26 Jul 2023 06:32:06 -0700 (PDT) Message-ID: Date: Wed, 26 Jul 2023 15:32:04 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.12.0 Content-Language: en-US To: Peter Maydell , quintela@redhat.com, Kevin Wolf , hreitz@redhat.com, Vladimir Sementsov-Ogievskiy Cc: qemu-devel@nongnu.org, Daniel Berrange , richard.henderson@linaro.org, Qemu-block References: <87fs5aho6e.fsf@secure.mitica> From: Thomas Huth Subject: Re: How to tame CI? In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=170.10.133.124; envelope-from=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, NICE_REPLY_A=-0.09, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On 26/07/2023 15.00, Peter Maydell wrote: > On Wed, 26 Jul 2023 at 13:06, Juan Quintela wrote: >> To make things easier, this is the part that show how it breaks (this is >> the gcov test): >> >> 357/423 qemu:block / io-qcow2-copy-before-write ERROR 6.38s exit status 1 >>>>> PYTHON=/builds/juan.quintela/qemu/build/pyvenv/bin/python3 MALLOC_PERTURB_=44 /builds/juan.quintela/qemu/build/pyvenv/bin/python3 /builds/juan.quintela/qemu/build/../tests/qemu-iotests/check -tap -qcow2 copy-before-write --source-dir /builds/juan.quintela/qemu/tests/qemu-iotests --build-dir /builds/juan.quintela/qemu/build/tests/qemu-iotests >> ――――――――――――――――――――――――――――――――――――― ✀ ――――――――――――――――――――――――――――――――――――― >> stderr: >> --- /builds/juan.quintela/qemu/tests/qemu-iotests/tests/copy-before-write.out >> +++ /builds/juan.quintela/qemu/build/scratch/qcow2-file-copy-before-write/copy-before-write.out.bad >> @@ -1,5 +1,21 @@ >> -.... >> +...F >> +====================================================================== >> +FAIL: test_timeout_break_snapshot (__main__.TestCbwError) >> +---------------------------------------------------------------------- >> +Traceback (most recent call last): >> + File "/builds/juan.quintela/qemu/tests/qemu-iotests/tests/copy-before-write", line 210, in test_timeout_break_snapshot >> + self.assertEqual(log, """\ >> +AssertionError: 'wrot[195 chars]read 1048576/1048576 bytes at offset 0\n1 MiB,[46 chars]c)\n' != 'wrot[195 chars]read failed: Permission denied\n' >> + wrote 524288/524288 bytes at offset 0 >> + 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) >> + wrote 524288/524288 bytes at offset 524288 >> + 512 KiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) >> ++ read failed: Permission denied >> +- read 1048576/1048576 bytes at offset 0 >> +- 1 MiB, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) >> + > > This iotest failing is an intermittent that I've seen running > pullreqs on master. I tend to see it on the s390 host. I > suspect a race condition somewhere where it fails if the host > is heavily loaded. It's obviously a failure in an iotest, so let's CC: the corresponding people (done now). Thomas