This is a `perf report` from just 3-4s around reactivating a unity8 vt: 18,33% Mir/Input Reade libc-2.24.so [.] malloc 5,42% unity8 libQt5Core.so.5.7.1 [.] _ZL28qMetaTypeCustomType_unlockedPKciPi.constprop.817 4,55% MirServerThread libglib-2.0.so.0.5105.0 [.] g_main_context_dispatch 3,44% unity8 libQt5Qml.so.5.7.1 [.] _ZN3QV413InternalClass4findEPKNS_6StringE 2,34% unity8 libQt5Qml.so.5.7.1 [.] _ZNK3QV414QObjectWrapper12findPropertyEPNS_15ExecutionEngineEP15QQmlContextDataPNS_6StringENS0_12RevisionModeEP16QQmlPropertyData 2,31% unity8 libQt5Qml.so.5.7.1 [.] _ZN3QV413MemoryManager9allocDataEmm 1,83% unity8 libc-2.24.so [.] _int_free 1,56% unity8 libQt5Qml.so.5.7.1 [.] _ZN11QQmlBinding6updateE6QFlagsIN19QQmlPropertyPrivate9WriteFlagEE
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity8 in Ubuntu. https://bugs.launchpad.net/bugs/1675357 Title: Unity8 spins for a long time after being on an inactive vt Status in Canonical System Image: Triaged Status in qtmir package in Ubuntu: New Status in unity8 package in Ubuntu: Triaged Bug description: Steps: * log in to unity8 * Ctrl+Alt+F* to a different vt, or log in to a different user session * go back to the unity8 vt Expected: * session is locked, but working Current: * unity8 starts spinning for a time proportional to the period it was inactive * if it was inactive long enough, it doesn't seem to recover at all It seems it's "catching up" in some way, maybe with input, maybe frames. ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: unity8 8.15+17.04.20170321-0ubuntu1 [origin: LP-PPA-ci-train-ppa-service-2555] ProcVersionSignature: Ubuntu 4.10.0-13.15-generic 4.10.1 Uname: Linux 4.10.0-13-generic x86_64 NonfreeKernelModules: zfs zunicode zavl zcommon znvpair ApportVersion: 2.20.4-0ubuntu2 Architecture: amd64 CurrentDesktop: Unity:Unity7 Date: Thu Mar 23 11:36:39 2017 InstallationDate: Installed on 2016-05-06 (320 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) SourcePackage: unity8 UpgradeStatus: Upgraded to zesty on 2016-11-22 (120 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/canonical-devices-system-image/+bug/1675357/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
