The same bug for me. Ubuntu 15.04, amd64. I've installed unity8-desktop-session-mir for testing. I'm using Unity 7 environment, but forget to remove unity8 packages with dependencies. When I plug-in my 500GB usb harddrive, mediascanner-service eats all resources and I can't use my computer.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mediascanner2 in Ubuntu. https://bugs.launchpad.net/bugs/1398614 Title: mediascanner-service-2.0 using large amounts of CPU Status in mediascanner2 package in Ubuntu: Confirmed Bug description: Each time I plug my external USB hard disk the mediascanner-service process is activ and is using large amount of CPU for long minutes without interruption. I have the same problem in utopic and vivid ProblemType: Bug DistroRelease: Ubuntu 15.04 Package: mediascanner2.0 0.105+15.04.20141030.1-0ubuntu1 ProcVersionSignature: Ubuntu 3.16.0-25.33-generic 3.16.7 Uname: Linux 3.16.0-25-generic x86_64 ApportVersion: 2.14.7-0ubuntu10 Architecture: amd64 CurrentDesktop: Unity Date: Wed Dec 3 00:29:43 2014 InstallationDate: Installed on 2011-05-26 (1286 days ago) InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427.1) SourcePackage: mediascanner2 UpgradeStatus: Upgraded to vivid on 2013-11-26 (371 days ago) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mediascanner2/+bug/1398614/+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