4th try: Works, but [350616.380035] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00 [350619.421657] [drm:drm_dp_check_act_status [drm_kms_helper]] *ERROR* Failed to get ACT after 3000ms, last status: 00
So something seems to be still flacky. I'll try it later again. -- 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/1870786 Title: Kernel BUG sometimes during pluging in a DP Splitter Status in linux package in Ubuntu: Incomplete Bug description: Sometimes, during plugging in a DP -> 2x HDMI splitter, I get a kernel BUG with a NULL pointer dereference. Most times it works, through. I'm using Ubuntu 20.04 I've a 1920x1200 (eDP) display in my laptop, and a 2560x1440 and a 1920x1080 display on the splitter. Its a Intel(R) Core(TM) i5-8250U CPU platform. --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu22 Architecture: amd64 DistroRelease: Ubuntu 20.04 HibernationDevice: RESUME=/dev/mapper/sda5_crypt MachineType: Default string Default string Package: linux-meta (not installed) ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-21-generic root=UUID=df422beb-6d13-4575-9b30-ad00e25a7d35 ro noquiet nosplash ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.4.0-21-generic N/A linux-backports-modules-5.4.0-21-generic N/A linux-firmware 1.187 Tags: focal Uname: Linux 5.4.0-21-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: audio mythtv WpaSupplicantLog: _MarkForUpload: True dmi.bios.date: 01/11/2019 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 5.12 dmi.board.asset.tag: Default string dmi.board.name: Default string dmi.board.vendor: Default string dmi.board.version: Default string dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: Default string dmi.chassis.version: Default string dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr5.12:bd01/11/2019:svnDefaultstring:pnDefaultstring:pvrDefaultstring:rvnDefaultstring:rnDefaultstring:rvrDefaultstring:cvnDefaultstring:ct3:cvrDefaultstring: dmi.product.family: Default string dmi.product.name: Default string dmi.product.sku: Default string dmi.product.version: Default string dmi.sys.vendor: Default string To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1870786/+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