This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1883012 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete ** Tags added: focal -- 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/1883012 Title: CPU stuck for 22s Status in linux package in Ubuntu: Incomplete Bug description: I get regularly system freezes, so that nothing works anymore. The only thing I can do, is a hard reset. These are the last kernel logs: Jun 10 21:34:47 stefano-linux anacron[6995]: Anacron 2.3 started on 2020-06-10 Jun 10 21:34:47 stefano-linux anacron[6995]: Normal exit (0 jobs run) Jun 10 21:35:41 stefano-linux rtkit-daemon[1169]: Supervising 12 threads of 8 processes of 2 users. Jun 10 21:35:41 stefano-linux rtkit-daemon[1169]: Supervising 12 threads of 8 processes of 2 users. Jun 10 21:39:03 stefano-linux gnome-shell[2281]: ###!!! [Child][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost Jun 10 21:39:16 stefano-linux gnome-shell[2281]: ###!!! [Child][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost Jun 10 21:42:43 stefano-linux gnome-shell[2281]: ###!!! [Child][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost Jun 10 21:42:57 stefano-linux gnome-shell[2281]: ###!!! [Child][RunMessage] Error: Channel closing: too late to send/recv, messages will be lost Jun 10 21:47:41 stefano-linux kernel: watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [JS Helper:2153] Jun 10 21:47:41 stefano-linux kernel: Modules linked in: snd_usb_audio snd_usbmidi_lib gspca_vc032x uvcvideo gspca_main videobuf2_vmalloc videobuf2_memops videobuf2_v4l2 videobuf2_common videodev mc snd_hda_codec_hdmi edac_mce_amd kvm_amd kvm nvidia_uvm(O) nvidia_drm(PO) nvidia_modeset(> Jun 10 21:47:41 stefano-linux kernel: CPU: 1 PID: 2153 Comm: JS Helper Tainted: P O 5.4.0-37-generic #41-Ubuntu Jun 10 21:47:41 stefano-linux kernel: Hardware name: System manufacturer System Product Name/PRIME B350-PLUS, BIOS 5407 12/31/2019 Jun 10 21:47:41 stefano-linux kernel: RIP: 0010:smp_call_function_many+0x203/0x270 Jun 10 21:47:41 stefano-linux kernel: Code: 73 08 e8 90 0e 96 00 3b 05 5e d4 6f 01 89 c7 0f 83 9b fe ff ff 48 63 c7 48 8b 0b 48 03 0c c5 80 59 04 9e 8b 41 18 a8 01 74 0a <f3> 90 8b 51 18 83 e2 01 75 f6 eb c8 89 cf 48 c7 c2 60 ae 44 9e 4c Jun 10 21:47:41 stefano-linux kernel: RSP: 0018:ffff98bc02edbb58 EFLAGS: 00000202 ORIG_RAX: ffffffffffffff13 Jun 10 21:47:41 stefano-linux kernel: RAX: 0000000000000003 RBX: ffff8890ce86bc80 RCX: ffffb8bbfe817680 Jun 10 21:47:41 stefano-linux kernel: RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000008 Jun 10 21:47:41 stefano-linux kernel: RBP: ffff98bc02edbb98 R08: ffff8890bfedc788 R09: ffff8890bfedc018 Jun 10 21:47:41 stefano-linux kernel: R10: ffff8890bfedc788 R11: 0000000000000000 R12: ffffffff9cc88c80 Jun 10 21:47:41 stefano-linux kernel: R13: ffff8890ce86a640 R14: 0000000000000001 R15: 0000000000000020 Jun 10 21:47:41 stefano-linux kernel: FS: 00007f3c91505700(0000) GS:ffff8890ce840000(0000) knlGS:0000000000000000 Jun 10 21:47:41 stefano-linux kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Jun 10 21:47:41 stefano-linux kernel: CR2: 00007fdb7324afe0 CR3: 0000000396ff0000 CR4: 00000000003406e0 Jun 10 21:47:41 stefano-linux kernel: Call Trace: Jun 10 21:47:41 stefano-linux kernel: native_flush_tlb_others+0x55/0x170 Jun 10 21:47:41 stefano-linux kernel: flush_tlb_mm_range+0xb4/0xe0 Jun 10 21:47:41 stefano-linux kernel: tlb_flush_mmu+0xb0/0x140 Jun 10 21:47:41 stefano-linux kernel: tlb_finish_mmu+0x42/0x80 Jun 10 21:47:41 stefano-linux kernel: unmap_region+0xf9/0x130 Jun 10 21:47:41 stefano-linux kernel: __do_munmap+0x291/0x4c0 Jun 10 21:47:41 stefano-linux kernel: mmap_region+0x240/0x670 Jun 10 21:47:41 stefano-linux kernel: do_mmap+0x3b4/0x5c0 Jun 10 21:47:41 stefano-linux kernel: vm_mmap_pgoff+0xcb/0x120 Jun 10 21:47:41 stefano-linux kernel: ksys_mmap_pgoff+0x5b/0x2a0 Jun 10 21:47:41 stefano-linux kernel: ? free_cpumask_var+0x9/0x10 Jun 10 21:47:41 stefano-linux kernel: __x64_sys_mmap+0x33/0x40 Jun 10 21:47:41 stefano-linux kernel: do_syscall_64+0x57/0x190 Jun 10 21:47:41 stefano-linux kernel: entry_SYSCALL_64_after_hwframe+0x44/0xa9 Jun 10 21:47:41 stefano-linux kernel: RIP: 0033:0x7f3ca311f70d Jun 10 21:47:41 stefano-linux kernel: Code: 00 c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 53 f7 0c 00 f7 d8 64 89 01 48 Jun 10 21:47:41 stefano-linux kernel: RSP: 002b:00007f3c91504b08 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 Jun 10 21:47:41 stefano-linux kernel: RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ca311f70d Jun 10 21:47:41 stefano-linux kernel: RDX: 0000000000000000 RSI: 0000000000600000 RDI: 00007f3c31d00000 Jun 10 21:47:41 stefano-linux kernel: RBP: 0000000000600000 R08: 00000000ffffffff R09: 0000000000000000 Jun 10 21:47:41 stefano-linux kernel: R10: 0000000000000032 R11: 0000000000000246 R12: 00007f3c31d00000 Jun 10 21:47:41 stefano-linux kernel: R13: 00007f3ca2e07b68 R14: 0000000000600000 R15: 0000000000600000 -- Reboot -- To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1883012/+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