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 77777C48291 for ; Mon, 5 Feb 2024 11:12:17 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1rWwsd-00073W-WE; Mon, 05 Feb 2024 06:11:16 -0500 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 1rWwsb-000734-Gm for qemu-devel@nongnu.org; Mon, 05 Feb 2024 06:11:13 -0500 Received: from mail-lf1-x131.google.com ([2a00:1450:4864:20::131]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1rWwsY-0004mb-Fu for qemu-devel@nongnu.org; Mon, 05 Feb 2024 06:11:12 -0500 Received: by mail-lf1-x131.google.com with SMTP id 2adb3069b0e04-5114b2b3b73so1208919e87.0 for ; Mon, 05 Feb 2024 03:11:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=google; t=1707131467; x=1707736267; darn=nongnu.org; h=mime-version:user-agent:content-transfer-encoding:autocrypt :references:in-reply-to:date:cc:to:from:subject:message-id:from:to :cc:subject:date:message-id:reply-to; bh=rfH40CvdcOIjGkNTcr78+p/pNdWCVi1Oq91z13CEwxc=; b=b/5P5E+oIpfiwUdU5cxvwcUipyFmVT2OMJT+Gj82g1uoY2TQqATUh6l6trnyfE9wYv +2ISL1Qk7iorn2PvnL13EnYOrae5CumClTHbmxev9ic5EnfxwPp9hS97lxuiz6QhvQBh yzxG3Dm7FMQMuIOviiPGsqrmguVshzkoZtd4o= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707131467; x=1707736267; h=mime-version:user-agent:content-transfer-encoding:autocrypt :references:in-reply-to:date:cc:to:from:subject:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=rfH40CvdcOIjGkNTcr78+p/pNdWCVi1Oq91z13CEwxc=; b=EFUVU/vQqFu8+BWxVqstCwNNeivT0Z1+/xxnxNPs9UKeOH+FNFcfnxAm7s62/Ss/p/ 50GEOzTZS/INLQXVtMCg6T30YZnrZyIT68Gvh3yL6N2rrt1oQ7iW4fa1Jq9omxFHcn0+ I3LUXip9L08yNef8lWhi28SnjPG3LT/bzzaXfr7TxP2enJ2f2KjvI5kX01f9JFVmKxk2 2fK9GVr6Wfp0q0B3+FCo1E3o1BGD+K+cnQqR5kXgRJgSLsTRPviP7d1psUdFGEOYp31o 8E2ILNA3F14R+mlFZACbj4+SnolYxtIihffFJ8PgPpbJj2GLeIHkYB6y5VIWhhctcFyB SOoA== X-Gm-Message-State: AOJu0Yx7Vjjrze3iW/vdHH7mue5AWYLNDQH4daarru674uQsqW2hhEeo WRrYSqZ2CXkVEavU6xgXWO6vfBSiIrCppy+XALAN/T1It8AfKohfd1vNVHduiv0= X-Google-Smtp-Source: AGHT+IEG/ikhol9TN8VC7Wek+ppO5SHpjVLI2Csz8DNT+V8m13VO7GrbTXfdvb1IqnVQiVe91ap15Q== X-Received: by 2002:a05:6512:36cc:b0:511:5006:9166 with SMTP id e12-20020a05651236cc00b0051150069166mr1464608lfs.10.1707131467270; Mon, 05 Feb 2024 03:11:07 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCUCQyD3ka5MOrS3p1zqoJG0I+SV4btqDzpD3zD80Oz1Mtui3zAq1tP7u9rHggm0BSE0ZZ6XMgh4atiKQxrNEw== Received: from ?IPv6:2001:8b0:aba:5f3c:1dd9:a716:2b89:e181? ([2001:8b0:aba:5f3c:1dd9:a716:2b89:e181]) by smtp.gmail.com with ESMTPSA id b6-20020adfee86000000b0033b3ca3a255sm2250232wro.19.2024.02.05.03.11.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 05 Feb 2024 03:11:06 -0800 (PST) Message-ID: <360135aa106e1925979bc0efd5a5d6fdeed4202d.camel@linuxfoundation.org> Subject: Re: [PULL 05/13] linux-user: Use walk_memory_regions for open_self_maps From: Richard Purdie To: Richard Henderson , Michael Tokarev Cc: QEMU Developers Date: Mon, 05 Feb 2024 11:11:06 +0000 In-Reply-To: References: <20230901204251.137307-1-richard.henderson@linaro.org> <20230901204251.137307-6-richard.henderson@linaro.org> <9860cd401db66e6bf10e9e41df148b25ee6c73fd.camel@linuxfoundation.org> <3cc4df1a6fe27b211b29d2c17846812936255d7a.camel@linuxfoundation.org> Autocrypt: addr=richard.purdie@linuxfoundation.org; prefer-encrypt=mutual; keydata=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 xdHKck7aaB1FgbpGn9e9/WAeAPC722eJsxhujxgKaS9b7mHcTcWeMP7KFut4yKTDHovt4VbQOd PGqwyUmi8z0yd2ORlT9E3RjEEllpj/Z2Wfzs3H4qR5wz3Rij1BCirDH8LD5yAO8PpIW2N1Y4VbzFDTPX2KtLGQYIraOHZQQe8XjAJnXflVQbzSIbNw14IlVWnF94UwkamxRhhCVAdA4139ebU+R0inaVsG0Bb7GP3KiED4C1I/tj171G4bOsyz3zYkpuV64yuq5pVevLBuCJv1Z/yiBdbB02B+FkosKLWRvoZFa2gqK2xpZT8RvDdkBQTmZTs/hP59mh1QSt4d2p1KsBu7cx2fjRBuf9XVG+uR/XnbD5T1BQRVV641ZNzPTjtE3rEZzR1nsUv+vcFYv0V/FPcLg5f3Ui+4cuYj/xDykMKZlrBIVGExBOJr7Anbzwq8o4nYUsrbFE3Fu88l8/mWrQCkAIZqc2NRyuXplZrDanB9Abi2XmZO0B3Q9wKvzmH0yJyLfswmzrejf3oVOJNEKJP5acPnXfQqAr5F7gdeLvdHbOAtg1iU8GujkOvRA7ad5ahT/1mDzKlkjaf36p4jodsGzPydOks2/jbVZxbZsR1il3BuDXb0agChNXJH4IpcnrjAliBtTKwnEYuLQeLQsUmljaGFyZCBQdXJkaWUgPHJwdXJkaWVAbGludXhmb3VuZGF0aW9uLm9yZz6JAlQEEwEKAD4WIQQRclb3b/q6zLA9Fn+aUMY1GLyygAUCY3VBEAIbAQUJA8JnAAULCQgHAgYVCgkICwIEFgIDAQIeAQIXgAAKCRCaUMY1GLyygA0tD/4l5GVZ1OTKoCsHzQuSUVnyzmSwYmJD7W7E1VeVVvVk5bfFf/w6p3dXfGjhZ8zFackE+RmT3//8kQ+Zs68csd0wjX8klyFXgA5PWP3DxNkejnHCq7wiLouOGC/E9RSUULn1DYb68yPzvdGQBooqPQZORtXzNgM NuWDKH+9uvhGbdvURJHCRPTpgcdCo64d+IMzA+XmZUg0P722IyVmB+I2TgjaIRr/NsbsGP4x3u8 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 KjTi3em7xDpqA1Rxd/rV4z9VQJrbpL/oiPCnTW/iCx+eMH70dRk+gHxSU8FWVf+CucFZprvO9UMi 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 0zgmm+/RfbZFHbeuea/lVInXpNBMDj+pl3VyygUae65DMFWgYVSLtXPTRLVMb2mIxiNpk3T2UcuVW 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 WpERQ9FmtGo2PVqnMaZy2w9lkNNn8ccyMWpP2EwGuCxONQrc22a7WnCYLTpOukLUSD7ApH7M2Jk8on 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 YNvg== Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable User-Agent: Evolution 3.50.0-1 MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::131; envelope-from=richard.purdie@linuxfoundation.org; helo=mail-lf1-x131.google.com X-Spam_score_int: -24 X-Spam_score: -2.5 X-Spam_bar: -- X-Spam_report: (-2.5 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.361, 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, 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 Mon, 2024-02-05 at 13:05 +1000, Richard Henderson wrote: > On 1/26/24 23:52, Richard Purdie wrote: > > On Fri, 2024-01-26 at 16:33 +0300, Michael Tokarev wrote: > > > 26.01.2024 16:03, Richard Purdie wrote: > > > > I've run into a problem with this change. > > > >=20 > > > > We (Yocto Project) upgraded to qemu 8.2.0 recently and after that w= e > > > > started seeing errors cross compiling webkitgtk on x86_64 for x86_6= 4 > > > > during the introspection code which runs under user mode qemu. > > >=20 > > > Besides your observations, please be aware there's quite a few issues= in 8.2.0. > > > Please take a look at https://gitlab.com/mjt0k/qemu/-/commits/staging= -8.2/ > > > (and https://gitlab.com/qemu-project/qemu/-/commits/staging-8.2/ whic= h is updated > > > less often) for fixes already queued up, if you haven't looked there = already. > > > 8.2.1 stable/bugfix release is scheduled for the beginning of the nex= t week. > >=20 > > Thanks. > >=20 > > I should note that I did test the staging-8.2 branch and nothing there > > helped. The issue was also present with master as of yesterday. > >=20 > > https://bugzilla.yoctoproject.org/show_bug.cgi?id=3D15367 is Yocto > > Projects tracking of the issue which has the commits for master and > > staging-8.2 that I tested. >=20 > The yocto logs referenced here are not helpful for reproducing the proble= m. It took me a couple of days I didn't have to workout which commit caused it, which versions showed the issue and how to work around it. It looks host kernel specific since it doesn't happen on some systems so even with the binaries/command/environment vars, it may not be enough. I was hoping the indication of the cause might help point to the fix as there is quite a bit of work in trying to extract this into a reproducer. The failure is 20 mins into a webkitgtk compile on a remote CI system which no longer has the context on it. > Please extract a binary to run, inputs, and command-line. I wish I could say that to the bug reports I get! :) I'll do my best but finding the time is going to be a challenge. Cheers, Richard