I have upgraded to focal, am now running 5.4.0-9-generic and no longer see the issue
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1858456 Title: ThinkPad T450 stutters without intel_idle.max_cstate=2 Status in linux package in Ubuntu: Confirmed Bug description: I noticed my 19.10 laptop was stuttering - YouTube videos freezing. Did further investigations and the entire desktop freezes, not just the video rendering. https://www.youtube.com/watch?v=869e9YwW0vw Some investigation led me to https://bugzilla.kernel.org/show_bug.cgi?id=109051 and https://askubuntu.com/questions/803640/system-freezes-completely-with- intel-bay-trail I set intel_idle.max_cstate=2 in my grub config and now the issue never happens, but I have (anecdotally) seen worse battery life as a result. Can this be fixed in such a way that I don't have to suffer poor battery performance. ProblemType: Bug DistroRelease: Ubuntu 19.10 Package: linux-image-5.3.0-24-generic 5.3.0-24.26 ProcVersionSignature: Ubuntu 5.3.0-24.26-generic 5.3.10 Uname: Linux 5.3.0-24-generic x86_64 NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair ApportVersion: 2.20.11-0ubuntu8.2 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Mon Jan 6 16:26:20 2020 HibernationDevice: RESUME=UUID=60f73ebd-ac30-42de-968a-76a4f3332440 InstallationDate: Installed on 2018-02-04 (700 days ago) InstallationMedia: neon userlts "Xenial" - Build amd64 LIVE Binary 20180202-11:07 MachineType: LENOVO 20BV001BUK ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-24-generic root=UUID=36ab10c5-4404-47e2-89ec-6639af6cc629 ro quiet splash noibrs noibpb nopti nospectre_v2 nospectre_v1 l1tf=off nospec_store_bypass_disable no_stf_barrier mds=off tsx=on tsx_async_abort=off mitigations=off intel_idle.max_cstate=2 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.3.0-24-generic N/A linux-backports-modules-5.3.0-24-generic N/A linux-firmware 1.183.3 SourcePackage: linux UpgradeStatus: Upgraded to eoan on 2019-09-19 (109 days ago) dmi.bios.date: 08/14/2019 dmi.bios.vendor: LENOVO dmi.bios.version: JBET73WW (1.37 ) dmi.board.asset.tag: Not Available dmi.board.name: 20BV001BUK dmi.board.vendor: LENOVO dmi.board.version: 0B98417 WIN dmi.chassis.asset.tag: No Asset Information dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: None dmi.modalias: dmi:bvnLENOVO:bvrJBET73WW(1.37):bd08/14/2019:svnLENOVO:pn20BV001BUK:pvrThinkPadT450:rvnLENOVO:rn20BV001BUK:rvr0B98417WIN:cvnLENOVO:ct10:cvrNone: dmi.product.family: ThinkPad T450 dmi.product.name: 20BV001BUK dmi.product.sku: LENOVO_MT_20BV_BU_Think_FM_ThinkPad T450 dmi.product.version: ThinkPad T450 dmi.sys.vendor: LENOVO To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1858456/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
