Met same problem with kernel version 5.4.0-81 I have kdump file for that bug, can attach that file if necessary.
# lsb_release -rd Description: Ubuntu 18.04.6 LTS Release: 18.04 dmesg log BUG: unable to handle page fault for address: 00000000003e3898 #PF: supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 0 P4D 0 Oops: 0002 [#1] SMP NOPTI CPU: 12 PID: 17994 Comm: libvirtd Kdump: loaded Tainted: G OE 5.4.0-81-generic #91~18.04.1-Ubuntu Hardware name: Supermicro Super Server/X11DDW-L, BIOS 3.3 02/21/2020 RIP: 0010:native_queued_spin_lock_slowpath+0x192/0x1f0 Code: 8b 02 48 85 c0 74 f6 48 89 c6 eb e5 c1 ee 12 83 e0 03 83 ee 01 48 c1 e0 05 48 63 f6 48 05 c0 ba 02 00 48 03 04 f5 20 29 64 af <48> 89 10 8b 42 08 85 c0 75 09 f3 90 8b 42 08 85 c0 74 f7 48 8b 02 RSP: 0018:ffffb11c23af3b88 EFLAGS: 00010202 RAX: 00000000003e3898 RBX: 000000000000ac60 RCX: 0000000000340000 RDX: ffff9ca100d2bac0 RSI: 0000000000003f68 RDI: ffff9ca0f70c52b0 RBP: ffffb11c23af3b88 R08: 0000000000340000 R09: 0000000000031160 R10: ffff9ca1bffd5000 R11: 0000000000000000 R12: ffff9ca0f70c52b0 R13: 0000000000000010 R14: ffffb11c23af3cf0 R15: ffff9cd0f4401a00 FS: 00007f939957e700(0000) GS:ffff9ca100d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000003e3898 CR3: 0000005de5282002 CR4: 00000000007626e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 PKRU: 55555554 Call Trace: _raw_spin_lock+0x1f/0x30 __swap_duplicate+0x5a/0x1a0 swap_duplicate+0x1a/0x40 copy_page_range+0x938/0xdb0 dup_mm+0x3f5/0x5c0 copy_process+0x1b20/0x1b40 _do_fork+0x76/0x370 ? handle_mm_fault+0xcb/0x210 __x64_sys_clone+0x84/0xb0 do_syscall_64+0x57/0x190 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f93a724f8ec Code: c5 45 85 f6 0f 85 b4 01 00 00 64 4c 8b 04 25 10 00 00 00 31 d2 4d 8d 90 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f0 00 00 00 85 c0 41 89 c4 0f 85 fd 00 00 RSP: 002b:00007f939957d340 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f939957d340 RCX: 00007f93a724f8ec RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007f939957d430 R08: 00007f939957e700 R09: 0000000000000000 R10: 00007f939957e9d0 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000020 R14: 0000000000000001 R15: 00007f939957d680 -- 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/1949247 Title: kernel: BUG: unable to handle page fault for address (5.4.0-89) Status in linux package in Ubuntu: Confirmed Bug description: Ubuntu 20.04.3, kernel 5.4.0-89. --------------------------------- -- Support: http://www.ubuntu.com/support -- -- A start job for unit motd-news.service has finished successfully. -- -- The job identifier is 11021. Oct 28 15:17:02 ASRock kernel: BUG: unable to handle page fault for address: ffffffffaae9bb40 Oct 28 15:17:02 ASRock kernel: #PF: supervisor write access in kernel mode Oct 28 15:17:02 ASRock kernel: #PF: error_code(0x0002) - not-present page Oct 28 15:17:02 ASRock kernel: PGD 5100e067 P4D 5100e067 PUD 5100f063 PMD 118c2f063 PTE 800fffffaed64062 Oct 28 15:17:02 ASRock kernel: Oops: 0002 [#1] SMP PTI Oct 28 15:17:02 ASRock kernel: CPU: 3 PID: 75151 Comm: kworker/3:1 Not tainted 5.4.0-89-generic #100-Ubuntu Oct 28 15:17:02 ASRock kernel: Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./H61M-HVS, BIOS P2.30 07/11/2012 Oct 28 15:17:02 ASRock kernel: Workqueue: cgroup_destroy css_killed_work_fn Oct 28 15:17:02 ASRock kernel: RIP: 0010:native_queued_spin_lock_slowpath+0x145/0x1d0 Oct 28 15:17:02 ASRock kernel: Code: 02 89 c6 c1 e6 10 0f 84 93 00 00 00 c1 ee 12 83 e0 03 83 ee 01 48 c1 e0 05 48 63 f6 48 05 00 bb 02 00 48 03 04 f5 80 99 a4 aa <48> 89 10 8b 42 08 85 c0 75 09 f3 90 8b 42 08 85 c0 > Oct 28 15:17:02 ASRock kernel: RSP: 0018:ffffbbfc007f7d88 EFLAGS: 00010082 Oct 28 15:17:02 ASRock kernel: RAX: ffffffffaae9bb40 RBX: ffff9a24da391ce8 RCX: 0000000000100000 Oct 28 15:17:02 ASRock kernel: RDX: ffff9a24db5abb00 RSI: 0000000000000f04 RDI: ffff9a24ccce4480 Oct 28 15:17:02 ASRock kernel: RBP: ffffbbfc007f7d88 R08: 0000000000100000 R09: 8080808080808080 Oct 28 15:17:02 ASRock kernel: R10: ffff9a24822734f4 R11: 0000000000000018 R12: ffff9a24ca204000 Oct 28 15:17:02 ASRock kernel: R13: ffff9a24ccce4480 R14: ffff9a24cc7b17a0 R15: 0000000000000000 Oct 28 15:17:02 ASRock kernel: FS: 0000000000000000(0000) GS:ffff9a24db580000(0000) knlGS:0000000000000000 Oct 28 15:17:02 ASRock kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Oct 28 15:17:02 ASRock kernel: CR2: ffffffffaae9bb40 CR3: 000000005c6b8001 CR4: 00000000000606e0 Oct 28 15:17:02 ASRock kernel: Call Trace: Oct 28 15:17:02 ASRock kernel: _raw_spin_lock_irq+0x26/0x2a Oct 28 15:17:02 ASRock kernel: memcg_drain_all_list_lrus+0x145/0x1d0 Oct 28 15:17:02 ASRock kernel: memcg_offline_kmem.part.0+0x9c/0xc0 Oct 28 15:17:02 ASRock kernel: mem_cgroup_css_offline+0xbc/0xf0 Oct 28 15:17:02 ASRock kernel: css_killed_work_fn+0x57/0xe0 Oct 28 15:17:02 ASRock kernel: process_one_work+0x1eb/0x3b0 Oct 28 15:17:02 ASRock kernel: worker_thread+0x4d/0x400 Oct 28 15:17:02 ASRock kernel: kthread+0x104/0x140 Oct 28 15:17:02 ASRock kernel: ? process_one_work+0x3b0/0x3b0 Oct 28 15:17:02 ASRock kernel: ? kthread_park+0x90/0x90 Oct 28 15:17:02 ASRock kernel: ret_from_fork+0x35/0x40 Oct 28 15:17:02 ASRock kernel: Modules linked in: xt_CHECKSUM xt_MASQUERADE xt_conntrack ipt_REJECT nf_reject_ipv4 xt_tcpudp ip6table_mangle ip6table_nat iptable_mangle iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 > Oct 28 15:17:02 ASRock kernel: sysimgblt cryptd psmouse i2c_i801 pata_acpi fb_sys_fops drm lpc_ich raid_class r8169 scsi_transport_sas realtek video Oct 28 15:17:02 ASRock kernel: CR2: ffffffffaae9bb40 Oct 28 15:17:02 ASRock kernel: ---[ end trace 202eca3b53bcb6e9 ]--- Oct 28 15:17:02 ASRock kernel: RIP: 0010:native_queued_spin_lock_slowpath+0x145/0x1d0 Oct 28 15:17:02 ASRock kernel: Code: 02 89 c6 c1 e6 10 0f 84 93 00 00 00 c1 ee 12 83 e0 03 83 ee 01 48 c1 e0 05 48 63 f6 48 05 00 bb 02 00 48 03 04 f5 80 99 a4 aa <48> 89 10 8b 42 08 85 c0 75 09 f3 90 8b 42 08 85 c0 > Oct 28 15:17:02 ASRock kernel: RSP: 0018:ffffbbfc007f7d88 EFLAGS: 00010082 Oct 28 15:17:02 ASRock kernel: RAX: ffffffffaae9bb40 RBX: ffff9a24da391ce8 RCX: 0000000000100000 Oct 28 15:17:02 ASRock kernel: RDX: ffff9a24db5abb00 RSI: 0000000000000f04 RDI: ffff9a24ccce4480 Oct 28 15:17:02 ASRock kernel: RBP: ffffbbfc007f7d88 R08: 0000000000100000 R09: 8080808080808080 Oct 28 15:17:02 ASRock kernel: R10: ffff9a24822734f4 R11: 0000000000000018 R12: ffff9a24ca204000 Oct 28 15:17:02 ASRock kernel: R13: ffff9a24ccce4480 R14: ffff9a24cc7b17a0 R15: 0000000000000000 Oct 28 15:17:02 ASRock kernel: FS: 0000000000000000(0000) GS:ffff9a24db580000(0000) knlGS:0000000000000000 Oct 28 15:17:02 ASRock kernel: CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Oct 28 15:17:02 ASRock kernel: CR2: ffffffffaae9bb40 CR3: 000000005c6b8001 CR4: 00000000000606e0 --- ProblemType: Bug ApportVersion: 2.20.11-0ubuntu27.21 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: lightdm 5230 F.... pulseaudio CasperMD5CheckResult: skip DistroRelease: Ubuntu 20.04 InstallationDate: Installed on 2018-06-02 (1245 days ago) InstallationMedia: Ubuntu-MATE 18.04 LTS "Bionic Beaver" - Release amd64 (20180426) Lsusb: Bus 002 Device 003: ID 413c:2005 Dell Computer Corp. RT7D50 Keyboard Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Lsusb-t: /: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M |__ Port 4: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M /: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/4p, 480M MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M. Package: linux (not installed) ProcEnviron: TERM=xterm-256color PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash ProcFB: 0 i915drmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-89-generic root=UUID=95a12316-5cdf-4935-aa59-a5aa25641de1 ro rootflags=subvol=@ luks.crypttab=no quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 5.4.0-89.100-generic 5.4.143 PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon. RelatedPackageVersions: linux-restricted-modules-5.4.0-89-generic N/A linux-backports-modules-5.4.0-89-generic N/A linux-firmware 1.187.19 RfKill: Tags: focal Uname: Linux 5.4.0-89-generic x86_64 UpgradeStatus: Upgraded to focal on 2021-05-22 (160 days ago) UserGroups: N/A _MarkForUpload: True dmi.bios.date: 07/11/2012 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: P2.30 dmi.board.name: H61M-HVS dmi.board.vendor: ASRock dmi.chassis.asset.tag: To Be Filled By O.E.M. dmi.chassis.type: 3 dmi.chassis.vendor: To Be Filled By O.E.M. dmi.chassis.version: To Be Filled By O.E.M. dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP2.30:bd07/11/2012:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnH61M-HVS:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.: dmi.product.family: To Be Filled By O.E.M. dmi.product.name: To Be Filled By O.E.M. dmi.product.sku: To Be Filled By O.E.M. dmi.product.version: To Be Filled By O.E.M. dmi.sys.vendor: To Be Filled By O.E.M. 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