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+permissions: 0.925
+other: 0.873
+semantic: 0.870
+vnc: 0.868
+socket: 0.824
+graphic: 0.810
+PID: 0.786
+KVM: 0.757
+performance: 0.745
+network: 0.743
+device: 0.741
+files: 0.686
+debug: 0.670
+boot: 0.613
+
+Qemu 1:6.2+dfsg-2ubuntu6 deadlock bug
+
+There is a known bug that will cause VM deadlock, the patch should be merged and released:
+
+https://gitlab.com/qemu-project/qemu/-/commit/1dbbe6f172810026c51dc84ed927a3cc23017949#841723aa93098d8ab3b5068795e10ae7cf2a3179
+
+That's clearly a fix for a bug, but I couldn't identify an upstream issue which describes the problem. The commit message has:
+
+  Fixes: 0bf41cab
+
+but that's a reference to another commit, not to an issue. Finding original description of the bug would help identifying a test case for the SRU.
+
+@xp are you able to point us to the upstream bug report, or to provide steps to reproduce the issue which we can use to verify the fix?
+
+I'm marking this as Incomplete for now because the description of the problem is too vague, but I think this will become a valid SRU case.
+
+This should be the upstream bug report:
+https://gitlab.com/qemu-project/qemu/-/issues/807
+
+
+Thanks, that report also has nice steps to reproduce. I updated the bug tags/status accordingly.
+
+Thanks
+
+From the description this bug affects Jammy and Kinetic, so I added explicit tasks for each series.
+
+Thanks this is great pre-work and a patch on a plate.
+I was pondering if I should wait until we merge qemu 7.0 for kintic, but that would delay this too much.
+
+I still need to find some time, but I'll prepare and upload the fix without waiting for 7.0.
+
+FYI - I have prepared a PPA and merge proposals for the related Ubuntu package changes:
+
+PPA: https://launchpad.net/~paelzer/+archive/ubuntu/lp-1970563-vnc-deadlock
+Jammy: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/422947
+Kinetic: https://code.launchpad.net/~paelzer/ubuntu/+source/qemu/+git/qemu/+merge/422946
+
+Thanks for the Review Sergio.
+
+Uploaded the fix for Kinetic.
+We can start the SRU to jammy once it is complete there.
+
+This bug was fixed in the package qemu - 1:6.2+dfsg-2ubuntu7
+
+---------------
+qemu (1:6.2+dfsg-2ubuntu7) kinetic; urgency=medium
+
+  * d/p/u/lp-1970563-ui-vnc.c-Fixed-a-deadlock-bug.patch: avoid deadlock
+    in vnc connections (LP: #1970563)
+
+ -- Christian Ehrhardt <email address hidden>  Thu, 19 May 2022 08:25:20 +0200
+
+Completed in Kinetic, uploaded to Jammy now - waiting for the SRU team to have a look
+
+Hello xp, or anyone else affected,
+
+Accepted qemu into jammy-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/qemu/1:6.2+dfsg-2ubuntu6.1 in a few hours, and then in the -proposed repository.
+
+Please help us by testing this new package.  See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed.  Your feedback will aid us getting this update out to other Ubuntu users.
+
+If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-jammy to verification-done-jammy. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-jammy. In either case, without details of your testing we will not be able to proceed.
+
+Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in advance for helping!
+
+N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.
+
+All autopkgtests for the newly accepted qemu (1:6.2+dfsg-2ubuntu6.1) for jammy have finished running.
+The following regressions have been reported in tests triggered by the package:
+
+vagrant-mutate/1.2.0-4.1 (s390x, ppc64el)
+livecd-rootfs/2.764 (arm64, ppc64el)
+ubuntu-image/2.2+22.04ubuntu3 (arm64, s390x)
+sbuild/0.81.2ubuntu6 (s390x, ppc64el)
+edk2/2022.02-3 (armhf)
+initramfs-tools/0.140ubuntu13 (amd64)
+systemd/249.11-0ubuntu3.1 (ppc64el)
+
+
+Please visit the excuses page listed below and investigate the failures, proceeding afterwards as per the StableReleaseUpdates policy regarding autopkgtest regressions [1].
+
+https://people.canonical.com/~ubuntu-archive/proposed-migration/jammy/update_excuses.html#qemu
+
+[1] https://wiki.ubuntu.com/StableReleaseUpdates#Autopkgtest_Regressions
+
+Thank you!
+
+
+FYI: Autopkgtest issues resolved, but verification of the upload for the presented problem is needed.
+
+@XP - it is always best to do this in the original reported environment - do you think you could do that verification?
+
+Sure, This my test steps:
+* start a qemu wit qemu vnc
+   qemu-system-x86_64 -vnc 127.0.0.1:0 ...
+
+* Connect and disconnect and connect with VNC against it (We use novnc).
+
+* when qemu-system-x86 1:6.2+dfsg-2ubuntu6
+	occur which deadlocks qemu - no interaction is possible anymore
+
+* upgrade to qemu-system-x86/jammy-proposed 1:6.2+dfsg-2ubuntu6.1
+    Connect and disconnect and connect, everything is ok, no more deadlock
+
+The bug has been fixed, thank you.
+
+Perfect, thank you Xiongpeng!
+
+The verification of the Stable Release Update for qemu has completed successfully and the package is now being released to -updates.  Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report.  In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.
+
+This bug was fixed in the package qemu - 1:6.2+dfsg-2ubuntu6.1
+
+---------------
+qemu (1:6.2+dfsg-2ubuntu6.1) jammy; urgency=medium
+
+  * d/p/u/lp-1970563-ui-vnc.c-Fixed-a-deadlock-bug.patch: avoid deadlock
+    in vnc connections (LP: #1970563)
+
+ -- Christian Ehrhardt <email address hidden>  Thu, 19 May 2022 08:25:20 +0200
+