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[83.59.162.106]) by smtp.gmail.com with ESMTPSA id x65sm8499756wmg.1.2020.10.08.09.59.25 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 08 Oct 2020 09:59:26 -0700 (PDT) Subject: Re: Which qemu change corresponds to RedHat bug 1655408 To: Jakob Bohm , qemu-discuss@nongnu.org, qemu-devel , Qemu-block , John Snow References: <2d9c8525-470f-a4e5-5d71-895046e2d782@wisemo.com> <653b9595-ae60-181a-2975-2e351ade9788@redhat.com> <43072820-c04f-b706-4b37-2d2e37e8499f@wisemo.com> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Autocrypt: addr=philmd@redhat.com; keydata= mQINBDXML8YBEADXCtUkDBKQvNsQA7sDpw6YLE/1tKHwm24A1au9Hfy/OFmkpzo+MD+dYc+7 bvnqWAeGweq2SDq8zbzFZ1gJBd6+e5v1a/UrTxvwBk51yEkadrpRbi+r2bDpTJwXc/uEtYAB GvsTZMtiQVA4kRID1KCdgLa3zztPLCj5H1VZhqZsiGvXa/nMIlhvacRXdbgllPPJ72cLUkXf z1Zu4AkEKpccZaJspmLWGSzGu6UTZ7UfVeR2Hcc2KI9oZB1qthmZ1+PZyGZ/Dy+z+zklC0xl XIpQPmnfy9+/1hj1LzJ+pe3HzEodtlVA+rdttSvA6nmHKIt8Ul6b/h1DFTmUT1lN1WbAGxmg CH1O26cz5nTrzdjoqC/b8PpZiT0kO5MKKgiu5S4PRIxW2+RA4H9nq7nztNZ1Y39bDpzwE5Sp bDHzd5owmLxMLZAINtCtQuRbSOcMjZlg4zohA9TQP9krGIk+qTR+H4CV22sWldSkVtsoTaA2 qNeSJhfHQY0TyQvFbqRsSNIe2gTDzzEQ8itsmdHHE/yzhcCVvlUzXhAT6pIN0OT+cdsTTfif MIcDboys92auTuJ7U+4jWF1+WUaJ8gDL69ThAsu7mGDBbm80P3vvUZ4fQM14NkxOnuGRrJxO qjWNJ2ZUxgyHAh5TCxMLKWZoL5hpnvx3dF3Ti9HW2dsUUWICSQARAQABtDJQaGlsaXBwZSBN YXRoaWV1LURhdWTDqSAoUGhpbCkgPHBoaWxtZEByZWRoYXQuY29tPokCVQQTAQgAPwIbDwYL CQgHAwIGFQgCCQoLBBYCAwECHgECF4AWIQSJweePYB7obIZ0lcuio/1u3q3A3gUCXsfWwAUJ KtymWgAKCRCio/1u3q3A3ircD/9Vjh3aFNJ3uF3hddeoFg1H038wZr/xi8/rX27M1Vj2j9VH 0B8Olp4KUQw/hyO6kUxqkoojmzRpmzvlpZ0cUiZJo2bQIWnvScyHxFCv33kHe+YEIqoJlaQc JfKYlbCoubz+02E2A6bFD9+BvCY0LBbEj5POwyKGiDMjHKCGuzSuDRbCn0Mz4kCa7nFMF5Jv piC+JemRdiBd6102ThqgIsyGEBXuf1sy0QIVyXgaqr9O2b/0VoXpQId7yY7OJuYYxs7kQoXI 6WzSMpmuXGkmfxOgbc/L6YbzB0JOriX0iRClxu4dEUg8Bs2pNnr6huY2Ft+qb41RzCJvvMyu gS32LfN0bTZ6Qm2A8ayMtUQgnwZDSO23OKgQWZVglGliY3ezHZ6lVwC24Vjkmq/2yBSLakZE 6DZUjZzCW1nvtRK05ebyK6tofRsx8xB8pL/kcBb9nCuh70aLR+5cmE41X4O+MVJbwfP5s/RW 9BFSL3qgXuXso/3XuWTQjJJGgKhB6xXjMmb1J4q/h5IuVV4juv1Fem9sfmyrh+Wi5V1IzKI7 RPJ3KVb937eBgSENk53P0gUorwzUcO+ASEo3Z1cBKkJSPigDbeEjVfXQMzNt0oDRzpQqH2vp apo2jHnidWt8BsckuWZpxcZ9+/9obQ55DyVQHGiTN39hkETy3Emdnz1JVHTU0Q== Message-ID: <9b7b9437-df3d-0090-1d5e-c61a9c245148@redhat.com> Date: Thu, 8 Oct 2020 18:59:25 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.11.0 MIME-Version: 1.0 In-Reply-To: <43072820-c04f-b706-4b37-2d2e37e8499f@wisemo.com> Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=philmd@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=216.205.24.124; envelope-from=philmd@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/08 02:56:27 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -22 X-Spam_score: -2.3 X-Spam_bar: -- X-Spam_report: (-2.3 / 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=-0.214, 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 autolearn=unavailable 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 10/8/20 6:49 PM, Jakob Bohm wrote: > (Top posting because previous reply did so): Which previous reply? Mine? I wrote "hi Jakob" then replied in-line, maybe you missed it? See below... > > If the bug was closed as "can't reproduce", why was a very similar bug > listed as fixed in RHSA-2019:2553-01 ? > > > On 2020-10-08 18:41, Philippe Mathieu-Daudé wrote: >> Hi Jakob, >> >> On 10/8/20 6:32 PM, Jakob Bohm wrote: >>> Red Hat bugzilla bug 1655408 against qemu is listed by Red Hat as >>> fixed in >>> April 2019, but I cannot find the corresponding change on qemu.org (the >>> Changelog in the wiki is not a traditional changelog and doesn't cover >>> bugfix releases such as 5.0.1, the git commit log is too detailed to >>> search, the Red Hat bugzilla and security advisory pages do not link >>> red hat bugs back to upstream (launchpad) bugs or git changes. >>> >>> Here is the bug title (which also affects my Debian packaged qemu 5.0): >>> >>> VM can not boot up due to "Failed to lock byte 100" if cdrom has been >>> mounted on the host >>> >>> Further observation: >>> >>> The basic problem is that qemu-system refuses to start with the error >>> message "Failed to lock byte 100" when -drive points to a read-only >>> ISO file.  For the reporter of the Red Hat bug, that was a mount-induced >>> read-only condition, in my case it is an NFS mount of a read-only >>> directory. >>> >>> The error message itself seams meaningless, as there is no particular >>> reason to request file locks on a read-only raw disk image. >>> >>> my qemu-system-x86_64 invocation contains the option (on one line): >>> >>> -drive if=none,id=drive-ide0-1-0,readonly=on, >>> file=/mnt/someshare/path/gparted-live-1.1.0-5-amd64.iso,format=raw >> >> https://bugzilla.redhat.com/show_bug.cgi?id=1655408 has been >> closed due to lack of reproducer. Can you amend your information >> to the BZ? It will likely be re-opened. Thanks! ... here is my reply. Regards, Phil. >> >>> >>> Enjoy >>> >>> Jakob >>> --  >>> Jakob Bohm, CIO, Partner, WiseMo A/S.  https://www.wisemo.com >>> Transformervej 29, 2860 Søborg, Denmark.  Direct +45 31 13 16 10 >>> This public discussion message is non-binding and may contain errors. >>> WiseMo - Remote Service Management for PCs, Phones and Embedded >>> >> > > > Enjoy > > Jakob