** Description changed: Hello. We meet a randomly host kernel panics with same RIP and "BUG: kernel NULL pointer dereference". - At current time affected kernel versions was from 5.4.0-53 to 5.4.0-84. + At current time affected kernel versions was from 5.4.0-53 to 5.4.0-87. For now i have a dmesg log and crash file, but no clue where what to do next. ------------------------------------------------------------------------ Environment: - Distributor ID: Ubuntu - Description: Ubuntu 18.04.6 LTS - Release: 18.04 - Codename: bionic - + Distributor ID: Ubuntu + Description: Ubuntu 18.04.6 LTS + Release: 18.04 + Codename: bionic Crash report - KERNEL: usr/lib/debug/boot/vmlinux-5.4.0-84-generic - DUMPFILE: dump.202111240900 [PARTIAL DUMP] - CPUS: 24 - DATE: Wed Nov 24 09:00:22 2021 - UPTIME: 15 days, 23:17:07 + KERNEL: usr/lib/debug/boot/vmlinux-5.4.0-84-generic + DUMPFILE: dump.202111240900 [PARTIAL DUMP] + CPUS: 24 + DATE: Wed Nov 24 09:00:22 2021 + UPTIME: 15 days, 23:17:07 LOAD AVERAGE: 46.41, 37.67, 30.39 - TASKS: 3071 - NODENAME: cmp20 - RELEASE: 5.4.0-84-generic - VERSION: #94~18.04.1-Ubuntu SMP Thu Aug 26 23:17:46 UTC 2021 - MACHINE: x86_64 (2299 Mhz) - MEMORY: 255.9 GB - PANIC: "Oops: 0000 [#1] SMP PTI" (check log for details) - PID: 2239917 - COMMAND: "CPU 0/KVM" - TASK: ffff9bbd96620000 [THREAD_INFO: ffff9bbd96620000] - CPU: 14 - STATE: TASK_RUNNING (PANIC) + TASKS: 3071 + NODENAME: cmp20 + RELEASE: 5.4.0-84-generic + VERSION: #94~18.04.1-Ubuntu SMP Thu Aug 26 23:17:46 UTC 2021 + MACHINE: x86_64 (2299 Mhz) + MEMORY: 255.9 GB + PANIC: "Oops: 0000 [#1] SMP PTI" (check log for details) + PID: 2239917 + COMMAND: "CPU 0/KVM" + TASK: ffff9bbd96620000 [THREAD_INFO: ffff9bbd96620000] + CPU: 14 + STATE: TASK_RUNNING (PANIC)
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1952193 Title: NULL pointer dereference at _mod_memcg_state+0x14/0xb0 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux-meta-hwe-5.4/+bug/1952193/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
