Feb 3 16:40:59 ubuntu kernel: [ 919.736388] Call Trace: Feb 3 16:40:59 ubuntu kernel: [ 919.736395] no_context+0x15d/0x380 Feb 3 16:40:59 ubuntu kernel: [ 919.736399] ? default_wake_function+0x12/0x20 Feb 3 16:40:59 ubuntu kernel: [ 919.736401] __bad_area_nosemaphore+0x50/0x1a0 Feb 3 16:40:59 ubuntu kernel: [ 919.736404] bad_area_nosemaphore+0x16/0x20 Feb 3 16:40:59 ubuntu kernel: [ 919.736406] do_user_addr_fault+0x267/0x450 Feb 3 16:40:59 ubuntu kernel: [ 919.736409] __do_page_fault+0x58/0x90 Feb 3 16:40:59 ubuntu kernel: [ 919.736411] do_page_fault+0x2c/0xe0 Feb 3 16:40:59 ubuntu kernel: [ 919.736414] page_fault+0x34/0x40 Feb 3 16:40:59 ubuntu kernel: [ 919.736417] RIP: 0010:0xfffffffefb033d44 Feb 3 16:40:59 ubuntu kernel: [ 919.736419] Code: d1 b9 04 00 00 00 e9 b7 ff ff ff cc cc cc 48 8b 05 f9 4a 00 00 48 ff 60 30 cc 48 83 ec 28 48 8b 05 e9 4a 00 00 4c 8d 44 24 40 50 40 48 8b 4c 24 40 33 d2 48 85 c0 48 0f 48 ca 48 8b c1 48 83 Feb 3 16:40:59 ubuntu kernel: [ 919.736420] RSP: 0018:ffffb7a58265fc10 EFLAGS: 00010082 Feb 3 16:40:59 ubuntu kernel: [ 919.736422] RAX: 0000000066059190 RBX: 0000000000000002 RCX: 0000000000000004 Feb 3 16:40:59 ubuntu kernel: [ 919.736423] RDX: 0000000000000002 RSI: 0000000000000000 RDI: 0000000000000002 Feb 3 16:40:59 ubuntu kernel: [ 919.736424] RBP: ffffb7a58265fce0 R08: ffffb7a58265fc50 R09: ffffb7a58265fd40 Feb 3 16:40:59 ubuntu kernel: [ 919.736425] R10: 0000000000000000 R11: 0000000000000018 R12: 0000000000000000 Feb 3 16:40:59 ubuntu kernel: [ 919.736426] R13: 0000000000083fb0 R14: ffffb7a58265fd40 R15: ffffb7a58265fd48 Feb 3 16:40:59 ubuntu kernel: [ 919.736430] ? select_idle_sibling+0x1f/0x70 Feb 3 16:40:59 ubuntu kernel: [ 919.736432] ? select_task_rq_fair+0x1aa/0x5b0 Feb 3 16:40:59 ubuntu kernel: [ 919.736435] ? __switch_to_asm+0x34/0x70 Feb 3 16:40:59 ubuntu kernel: [ 919.736437] ? __switch_to_asm+0x40/0x70 Feb 3 16:40:59 ubuntu kernel: [ 919.736439] ? __switch_to_asm+0x34/0x70 Feb 3 16:40:59 ubuntu kernel: [ 919.736441] ? efi_call+0x58/0x90 Feb 3 16:40:59 ubuntu kernel: [ 919.736445] ? efi_call_rts+0x417/0x900 Feb 3 16:40:59 ubuntu kernel: [ 919.736448] ? process_one_work+0x1eb/0x3b0 Feb 3 16:40:59 ubuntu kernel: [ 919.736450] ? worker_thread+0x4d/0x400 Feb 3 16:40:59 ubuntu kernel: [ 919.736453] ? kthread+0x104/0x140 Feb 3 16:40:59 ubuntu kernel: [ 919.736454] ? process_one_work+0x3b0/0x3b0 Feb 3 16:40:59 ubuntu kernel: [ 919.736456] ? kthread_park+0x90/0x90 Feb 3 16:40:59 ubuntu kernel: [ 919.736458] ? ret_from_fork+0x35/0x40 Feb 3 16:40:59 ubuntu kernel: [ 919.736461] ---[ end trace 053775458ffb5688 ]--- Feb 3 16:40:59 ubuntu kernel: [ 919.736466] efi: Froze efi_rts_wq and disabled EFI Runtime Services Feb 3 16:40:59 ubuntu grub-installer: error: Running 'grub-install --force "/dev/sda"' failed.