Dmesg above has such a faulty resume. Laptop went to sleep `Jul 12 19:56:05` and awoke to a faulty cpu state at `Jul 13 09:17:14`
-- 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/1887362 Title: CPU can't reach full speed after resuming from sleep Status in linux package in Ubuntu: Confirmed Bug description: This happens very sporadically after upgrading to 20.04 (not an issue before focal). Sometimes, after resuming from sleep, the CPU won't go over 1.23GHz. It will scale up and down between this and the min speed (800MHz) but go no higher. Putting the laptop to sleep and resuming brings it back to normal. I can't find a reliable way of reproducing it as it seems to happen at random. ProblemType: Bug DistroRelease: Ubuntu 20.04 Package: linux-image-generic 5.4.0.40.43 ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44 Uname: Linux 5.4.0-40-generic x86_64 ApportVersion: 2.20.11-0ubuntu27.3 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: luis 1013521 F.... pulseaudio CasperMD5CheckResult: skip CurrentDesktop: sway Date: Mon Jul 13 09:27:33 2020 InstallationDate: Installed on 2019-08-17 (330 days ago) InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416) Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 003: ID 04f3:24a0 Elan Microelectronics Corp. Touchscreen Bus 001 Device 002: ID 0cf3:e300 Qualcomm Atheros Communications Bus 001 Device 004: ID 1bcf:2b95 Sunplus Innovation Technology Inc. Integrated_Webcam_HD Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Dell Inc. XPS 15 9560 ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-40-generic root=/dev/mapper/vglinux-root ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.4.0-40-generic N/A linux-backports-modules-5.4.0-40-generic N/A linux-firmware 1.187.1 SourcePackage: linux UpgradeStatus: Upgraded to focal on 2020-03-31 (103 days ago) dmi.bios.date: 05/22/2020 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.19.2 dmi.board.name: 05FFDN dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.19.2:bd05/22/2020:svnDellInc.:pnXPS159560:pvr:rvnDellInc.:rn05FFDN:rvrA00:cvnDellInc.:ct10:cvr: dmi.product.family: XPS dmi.product.name: XPS 15 9560 dmi.product.sku: 07BE dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1887362/+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
