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 Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1949247 Title: kernel: BUG: unable to handle page fault for address (5.4.0-89) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1949247/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
