Public bug reported: I upgraded from Oneiric to Precise and now thunderbird is consuming >50% of my CPU all the time.
Attached is a strace of the busy process. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: thunderbird 10.0~b2+build1-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-8.15+mousehack-generic 3.2.0 Uname: Linux 3.2.0-8-generic x86_64 AddonCompatCheckDisabled: False AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC861-VD Analog [ALC861-VD Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 ApportVersion: 1.90-0ubuntu1 Architecture: amd64 ArecordDevices: **** List of CAPTURE Hardware Devices **** card 0: Intel [HDA Intel], device 0: ALC861-VD Analog [ALC861-VD Analog] Subdevices: 1/1 Subdevice #0: subdevice #0 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: king 1891 F.... pulseaudio BuildID: 20120110165224 Card0.Amixer.info: Card hw:0 'Intel'/'HDA Intel at 0xfc300000 irq 47' Mixer name : 'Realtek ALC861-VD' Components : 'HDA:10ec0862,17aa3867,00100001' Controls : 18 Simple ctrls : 11 Channel: beta Date: Thu Jan 12 14:24:54 2012 EcryptfsInUse: Yes ForcedLayersAccel: False IfupdownConfig: auto lo iface lo inet loopback InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Release amd64 (20111012) IpRoute: default via 10.155.0.1 dev wlan0 proto static 10.155.0.0/21 dev wlan0 proto kernel scope link src 10.155.3.11 metric 2 169.254.0.0/16 dev wlan0 scope link metric 1000 Profiles: Profile0 (Default) - LastVersion=10.0/20120110165224 (Running) RunningIncompatibleAddons: False SourcePackage: thunderbird UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 11/14/2007 dmi.bios.vendor: LENOVO dmi.bios.version: 68ET27WW dmi.board.name: IEL10 dmi.board.vendor: LENOVO dmi.board.version: REFERENCE dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: No Enclosure dmi.chassis.version: N/A dmi.modalias: dmi:bvnLENOVO:bvr68ET27WW:bd11/14/2007:svnLENOVO:pn0769BMG:pvr3000N200:rvnLENOVO:rnIEL10:rvrREFERENCE:cvnNoEnclosure:ct10:cvrN/A: dmi.product.name: 0769BMG dmi.product.version: 3000 N200 dmi.sys.vendor: LENOVO ** Affects: thunderbird (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug battery-power-consumption beta-channel precise running-unity -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/915324 Title: thunderbird is consuming too much CPU To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/thunderbird/+bug/915324/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs