apport information ** Tags added: apport-collected focal
** Description changed: 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 ** Attachment added: "AlsaInfo.txt" https://bugs.launchpad.net/bugs/1870786/+attachment/5346485/+files/AlsaInfo.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1870786 Title: Kernel BUG sometimes during pluging in a DP Splitter To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1870786/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
