EXT4-fs (sda1): re-mounted. Opts: ,errors=continue WARNING: CPU: 0 PID: 2415 at fs/ext4/page-io.c:206 ext4_add_complete_io fs/ext4/page-io.c:206 [inline] WARNING: CPU: 0 PID: 2415 at fs/ext4/page-io.c:206 ext4_put_io_end_defer+0x438/0x590 fs/ext4/page-io.c:269 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 2415 Comm: udevd Not tainted 4.18.0-rc2+ #122 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c9/0x2b4 lib/dump_stack.c:113 panic+0x238/0x4e7 kernel/panic.c:184 __warn.cold.8+0x163/0x1ba kernel/panic.c:536 report_bug+0x252/0x2d0 lib/bug.c:186 fixup_bug arch/x86/kernel/traps.c:178 [inline] do_error_trap+0x1fc/0x4d0 arch/x86/kernel/traps.c:296 do_invalid_op+0x1b/0x20 arch/x86/kernel/traps.c:316 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:992 RIP: 0010:ext4_add_complete_io fs/ext4/page-io.c:206 [inline] RIP: 0010:ext4_put_io_end_defer+0x438/0x590 fs/ext4/page-io.c:269 Code: 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 5e 01 00 00 49 83 bf e0 02 00 00 00 0f 84 dc fd ff ff e8 78 b3 67 ff <0f> 0b e9 d0 fd ff ff e8 fc 86 a5 ff e9 85 fc ff ff 48 89 b5 20 ff RSP: 0018:ffff8801dae07140 EFLAGS: 00010006 RAX: ffff8801ca07a740 RBX: ffff8801c908f4e0 RCX: ffffffff821455d7 RDX: 0000000000010000 RSI: ffffffff821458f8 RDI: ffff8801cc248ba0 RBP: ffff8801dae07230 R08: ffff8801ca07a740 R09: ffffed0039211ea1 R10: ffffed0039211ea1 R11: ffff8801c908f50f R12: 1ffff1003b5c0e2d R13: ffff8801c91153b0 R14: ffff8801dae07208 R15: ffff8801cc2488c0 ext4_end_bio+0x234/0x6d0 fs/ext4/page-io.c:335 bio_endio+0x4cc/0x940 block/bio.c:1833 req_bio_endio block/blk-core.c:277 [inline] blk_update_request+0x3ab/0xcc0 block/blk-core.c:3085 scsi_end_request+0xde/0x890 drivers/scsi/scsi_lib.c:672 scsi_io_completion+0xcc6/0x1dd0 drivers/scsi/scsi_lib.c:898 scsi_finish_command+0x54a/0x8f0 drivers/scsi/scsi.c:248 scsi_softirq_done+0x3f6/0x4d0 drivers/scsi/scsi_lib.c:1687 __blk_mq_complete_request block/blk-mq.c:583 [inline] blk_mq_complete_request+0x355/0x630 block/blk-mq.c:620 scsi_mq_done+0xe7/0x450 drivers/scsi/scsi_lib.c:1998 virtscsi_complete_cmd+0x573/0x740 drivers/scsi/virtio_scsi.c:207 virtscsi_vq_done+0xcb/0x180 drivers/scsi/virtio_scsi.c:223 virtscsi_req_done+0xa7/0xd0 drivers/scsi/virtio_scsi.c:238 vring_interrupt+0x128/0x170 drivers/virtio/virtio_ring.c:950 __handle_irq_event_percpu+0x1c8/0xaf0 kernel/irq/handle.c:149 handle_irq_event_percpu+0xa0/0x1d0 kernel/irq/handle.c:189 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:154 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:datagram_poll+0x9f/0x6c0 net/core/datagram.c:837 Code: 40 0c 00 f2 f2 f2 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 e8 d1 99 89 fb 48 8d 7b 20 48 89 f8 48 c1 e8 03 42 80 3c 38 00 <0f> 85 9b 05 00 00 48 8b 5b 20 48 8d 83 08 02 00 00 48 89 c2 48 89 RSP: 0018:ffff8801ca087110 EFLAGS: 00000246 ORIG_RAX: ffffffffffffffda RAX: 1ffff1003a4a3624 RBX: ffff8801d251b100 RCX: ffffffff85ec9112 RDX: 0000000000000000 RSI: ffffffff85f2729f RDI: ffff8801d251b120 RBP: ffff8801ca0871f0 R08: ffff8801ca07a740 R09: 0000000000000006 R10: ffff8801ca07a740 R11: 0000000000000000 R12: ffff8801ca0873f0 R13: 1ffff10039410e25 R14: ffff8801ca0871c8 R15: dffffc0000000000 sock_poll+0x1b7/0x4b0 net/socket.c:1138 vfs_poll include/linux/poll.h:86 [inline] ep_item_poll.isra.14+0x15c/0x400 fs/eventpoll.c:887 ep_send_events_proc+0x347/0xf00 fs/eventpoll.c:1656 ep_scan_ready_list+0x3c5/0xf50 fs/eventpoll.c:699 ep_send_events fs/eventpoll.c:1706 [inline] ep_poll+0x3ef/0x1210 fs/eventpoll.c:1832 do_epoll_wait+0x1b0/0x200 fs/eventpoll.c:2190 __do_sys_epoll_wait fs/eventpoll.c:2200 [inline] __se_sys_epoll_wait fs/eventpoll.c:2197 [inline] __x64_sys_epoll_wait+0x97/0xf0 fs/eventpoll.c:2197 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f8188519943 Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 RSP: 002b:00007ffcf219b2b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 RAX: ffffffffffffffda RBX: 0000000000000bb8 RCX: 00007f8188519943 RDX: 0000000000000008 RSI: 00007ffcf219b3b0 RDI: 000000000000000a RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000bb8 R11: 0000000000000246 R12: 0000000000000003 R13: 0000000000000000 R14: 0000000000e99e10 R15: 0000000000e88250 Shutting down cpus with NMI Dumping ftrace buffer: (ftrace buffer empty) Kernel Offset: disabled Rebooting in 86400 seconds..