[Kernel-packages] [Bug 1958191] Re: [i915] Screen flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)
I can confirm that 5.18.13 kernel has no flickers and no GRUB workaround is needed. -- 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/1958191 Title: [i915] Screen flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added) Status in linux package in Ubuntu: Triaged Bug description: Ubuntu 22.04 development branch on kernel 5.15.0-17-generic @ 18/1/2022 Booting into desktop gets heavy screen flickering and disforming (unusable) both booting on xorg and wayland on kernel 5.13 it did not occur so heavy (only little glitches once in a while see bug 1948778) adding the kernel paramater intel_idle.max_cstate=4 fixed this i had these same bugs on this machine before: https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1838644 https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1948778 ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-17-generic 5.15.0-17.17 ProcVersionSignature: Ubuntu 5.15.0-17.17-generic 5.15.12 Uname: Linux 5.15.0-17-generic x86_64 ApportVersion: 2.20.11-0ubuntu75 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: lotuspsychje 1201 F pipewire-media- lotuspsychje 1207 F pulseaudio /dev/snd/seq:lotuspsychje 1193 F pipewire CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Tue Jan 18 04:22:00 2022 Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 8087:0025 Intel Corp. Wireless-AC 9260 Bluetooth Adapter Bus 001 Device 003: ID 04f2:b59e Chicony Electronics Co., Ltd Chicony USB2.0 Camera Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Notebook N7x0WU ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-17-generic root=UUID=a41247d1-3bc3-453e-849a-e07fdcca6201 ro quiet splash intel_idle.max_cstate=4 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.15.0-17-generic N/A linux-backports-modules-5.15.0-17-generic N/A linux-firmware 1.204 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/07/2019 dmi.bios.release: 7.13 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 7.13 dmi.board.asset.tag: Tag 12345 dmi.board.name: N7x0WU dmi.board.vendor: Notebook dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: No Enclosure dmi.chassis.version: N/A dmi.ec.firmware.release: 7.14 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr7.13:bd01/07/2019:br7.13:efr7.14:svnNotebook:pnN7x0WU:pvrNotApplicable:rvnNotebook:rnN7x0WU:rvrNotApplicable:cvnNoEnclosure:ct10:cvrN/A:skuNotApplicable: dmi.product.family: Not Applicable dmi.product.name: N7x0WU dmi.product.sku: Not Applicable dmi.product.version: Not Applicable dmi.sys.vendor: Notebook To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1958191/+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
[Kernel-packages] [Bug 1958191] Re: [i915] Screen flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added)
Peter, I don't think it's a fix, but only a workaround that limits two important power management functionalities (cpu cstates and gpu display cstates). I hope and believe they're still working on finding a real fix for the bug. -- 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/1958191 Title: [i915] Screen flickering in Ubuntu 22.04 (until i915.enable_dc=0 intel_idle.max_cstate=2 are added) Status in linux package in Ubuntu: Triaged Bug description: Ubuntu 22.04 development branch on kernel 5.15.0-17-generic @ 18/1/2022 Booting into desktop gets heavy screen flickering and disforming (unusable) both booting on xorg and wayland on kernel 5.13 it did not occur so heavy (only little glitches once in a while see bug 1948778) adding the kernel paramater intel_idle.max_cstate=4 fixed this i had these same bugs on this machine before: https://bugs.launchpad.net/ubuntu/+source/linux-hwe/+bug/1838644 https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1948778 ProblemType: Bug DistroRelease: Ubuntu 22.04 Package: linux-image-5.15.0-17-generic 5.15.0-17.17 ProcVersionSignature: Ubuntu 5.15.0-17.17-generic 5.15.12 Uname: Linux 5.15.0-17-generic x86_64 ApportVersion: 2.20.11-0ubuntu75 Architecture: amd64 AudioDevicesInUse: USERPID ACCESS COMMAND /dev/snd/controlC0: lotuspsychje 1201 F pipewire-media- lotuspsychje 1207 F pulseaudio /dev/snd/seq:lotuspsychje 1193 F pipewire CasperMD5CheckResult: unknown CurrentDesktop: ubuntu:GNOME Date: Tue Jan 18 04:22:00 2022 Lsusb: Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 8087:0025 Intel Corp. Wireless-AC 9260 Bluetooth Adapter Bus 001 Device 003: ID 04f2:b59e Chicony Electronics Co., Ltd Chicony USB2.0 Camera Bus 001 Device 002: ID 046d:c534 Logitech, Inc. Unifying Receiver Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub MachineType: Notebook N7x0WU ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-17-generic root=UUID=a41247d1-3bc3-453e-849a-e07fdcca6201 ro quiet splash intel_idle.max_cstate=4 vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-5.15.0-17-generic N/A linux-backports-modules-5.15.0-17-generic N/A linux-firmware 1.204 SourcePackage: linux UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 01/07/2019 dmi.bios.release: 7.13 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 7.13 dmi.board.asset.tag: Tag 12345 dmi.board.name: N7x0WU dmi.board.vendor: Notebook dmi.board.version: Not Applicable dmi.chassis.asset.tag: No Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: No Enclosure dmi.chassis.version: N/A dmi.ec.firmware.release: 7.14 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr7.13:bd01/07/2019:br7.13:efr7.14:svnNotebook:pnN7x0WU:pvrNotApplicable:rvnNotebook:rnN7x0WU:rvrNotApplicable:cvnNoEnclosure:ct10:cvrN/A:skuNotApplicable: dmi.product.family: Not Applicable dmi.product.name: N7x0WU dmi.product.sku: Not Applicable dmi.product.version: Not Applicable dmi.sys.vendor: Notebook To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1958191/+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
[Kernel-packages] [Bug 1970426] Re: [i915] screen is flickering in Ubuntu 22.04
In file /etc/default/grub I added to parameter GRUB_CMDLINE_LINUX_DEFAULT: i915.enable_dc=0 intel_idle.max_cstate=2 updated grub and now I'm flicker free for a few days. The last kernel without the flickering for me was the kernel that shipped with 21.10 -- 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/1970426 Title: [i915] screen is flickering in Ubuntu 22.04 Status in linux package in Ubuntu: Confirmed Bug description: After I updated to 22.04 sometimes (about 3 ~ 4 times a day) the screen starts glitching and flickering like in the attached video and it doesn't stop until I move the cursor. Description: Ubuntu 22.04 LTS Release: 22.04 wayland processor: Intel® Core™ i5-8265U CPU @ 1.60GHz × 8 graphics: Mesa Intel® UHD Graphics 620 (WHL GT2) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1970426/+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
[Kernel-packages] [Bug 1970426] Re: [i915] screen suddenly starts flickering after update
After a flickering occurs the following message appears on the Log: i915 :00:02.0: [drm] *ERROR* CPU pipe A FIFO underrun kernel device: +pci::00:02.0 priority: 3 -- 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/1970426 Title: [i915] screen suddenly starts flickering after update Status in linux package in Ubuntu: Confirmed Bug description: After I updated to 22.04 sometimes (about 3 ~ 4 times a day) the screen starts glitching and flickering like in the attached video and it doesn't stop until I move the cursor. Description: Ubuntu 22.04 LTS Release: 22.04 wayland processor: Intel® Core™ i5-8265U CPU @ 1.60GHz × 8 graphics: Mesa Intel® UHD Graphics 620 (WHL GT2) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1970426/+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
[Kernel-packages] [Bug 1970426] Re: [i915] screen suddenly starts flickering after update
Yes, I did. -- 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/1970426 Title: [i915] screen suddenly starts flickering after update Status in linux package in Ubuntu: Confirmed Bug description: After I updated to 22.04 sometimes (about 3 ~ 4 times a day) the screen starts glitching and flickering like in the attached video and it doesn't stop until I move the cursor. Description: Ubuntu 22.04 LTS Release: 22.04 wayland processor: Intel® Core™ i5-8265U CPU @ 1.60GHz × 8 graphics: Mesa Intel® UHD Graphics 620 (WHL GT2) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1970426/+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
[Kernel-packages] [Bug 1970426] Re: [i915] screen suddenly starts flickering after update
I can confirm that neither of the following fixed the bug: GRUB Param `i915.enable_psr=0` did not fix `intel_idle.max_cstate=4` did not fix `intel_idle.max_cstate=0`did not fix x11 session did not fix Also, I noticed that when the screen starts flickering it only stops if I move the cursor, if I type on my keyboard the flickering continues. -- 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/1970426 Title: [i915] screen suddenly starts flickering after update Status in linux package in Ubuntu: Confirmed Bug description: After I updated to 22.04 sometimes (about 3 ~ 4 times a day) the screen starts glitching and flickering like in the attached video and it doesn't stop until I move the cursor. Description: Ubuntu 22.04 LTS Release: 22.04 wayland processor: Intel® Core™ i5-8265U CPU @ 1.60GHz × 8 graphics: Mesa Intel® UHD Graphics 620 (WHL GT2) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1970426/+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
