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[109.43.177.100]) by smtp.gmail.com with ESMTPSA id 139-20020a370591000000b00745a78b0b3asm14343592qkf.130.2023.03.28.23.36.28 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 28 Mar 2023 23:36:32 -0700 (PDT) Message-ID: <88923929-1a75-2dbd-d7d9-406d620c71e7@redhat.com> Date: Wed, 29 Mar 2023 08:36:26 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.13.0 Subject: Re: s390x TCG migration failure Content-Language: en-US To: Nina Schoetterl-Glausch , qemu-devel@nongnu.org, Juan Quintela Cc: qemu-block@nongnu.org, Stefan Berger , Stefan Hajnoczi , Halil Pasic , John Snow , David Hildenbrand , Fam Zheng , "Daniel P . Berrange" , Laurent Vivier , Vladimir Sementsov-Ogievskiy , qemu-s390x@nongnu.org, Christian Borntraeger , =?UTF-8?Q?Marc-Andr=c3=a9_Lureau?= , "Michael S. Tsirkin" , =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , "Dr. David Alan Gilbert" , Marcel Apfelbaum , Coiby Xu , Ilya Leoshkevich , Eduardo Habkost , Yanan Wang , Richard Henderson , Markus Armbruster , Paolo Bonzini , Alex Williamson , Eric Blake , Eric Farman References: <20230207005650.1810-4-quintela@redhat.com> <20230324184129.3119575-1-nsg@linux.ibm.com> <84eebff9-54b8-9354-5b48-822937af0405@redhat.com> <07464c8f08535b5c6611135ffeda66c8b26ec46c.camel@linux.ibm.com> From: Thomas Huth In-Reply-To: <07464c8f08535b5c6611135ffeda66c8b26ec46c.camel@linux.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-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: 2.1.29 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 29/03/2023 00.21, Nina Schoetterl-Glausch wrote: > On Tue, 2023-03-28 at 15:01 +0200, Thomas Huth wrote: >> On 24/03/2023 19.41, Nina Schoetterl-Glausch wrote: >>> Hi, >>> >>> We're seeing failures running s390x migration kvm-unit-tests tests with TCG. >>> Some initial findings: >>> What seems to be happening is that after migration a control block header accessed by the test code is all zeros which causes an unexpected exception. >>> I did a bisection which points to c8df4a7aef ("migration: Split save_live_pending() into state_pending_*") as the culprit. >>> The migration issue persists after applying the fix e264705012 ("migration: I messed state_pending_exact/estimate") on top of c8df4a7aef. >> >> Hi Nina, >> >> could you please open a ticket in the QEMU bug tracker and add the "8.0" >> label there, so that it correctly shows up in the list of things that should >> be fixed before the 8.0 release? > > https://gitlab.com/qemu-project/qemu/-/issues/1565 Thanks! > Not sure if I cannot add a label or if I overlooked how to. Ah, you might need to be at least a "Reviewer" in the qemu-project to be able to add labels and milestones. You can ask one of the owners or maintainers (see https://gitlab.com/qemu-project/qemu/-/project_members ) to add you as a reviewer. Anyway, I added the 8.0 milestone now to the ticket. Thomas