Hi, Bumped into the following one today; kernel 4.4.0-36-generic Ubuntu 16.4.1; CPU went to 100% and only a hard restart solved the issue. Since then everything's back to normal.
Please let me know how can I help get to the bottom of this? [239049.350514] BUG: unable to handle kernel paging request at 00000000d3c53de8 [239049.358107] IP: [<ffffffff810eecf9>] hrtimer_active+0x9/0x60 [239049.364127] PGD a688df067 PUD 0 [239049.367828] Oops: 0000 [#2] SMP [239049.371543] Modules linked in: xt_recent xt_nat xt_multiport ip6t_REJECT nf_reject_ipv6 xt_hl ip6t_rt nf_conntrack_ipv6 nf_defrag_ipv6 ipt_REJECT nf_reject_ipv4 xt_limit xt_addrtype xt_conntrack binfmt_misc veth xt_CHECKSUM iptable_mangle xt_tcpudp ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_comment iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack bridge stp llc ip6table_filter ip6_tables iptable_filter ip_tables x_tables ppdev parport_pc parport serio_raw pvpanic ib_iser rdma_cm iw_cm ib_cm ib_sa ib_mad ib_core ib_addr iscsi_tcp libiscsi_tcp libiscsi scsi_transport_iscsi autofs4 btrfs raid10 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq libcrc32c raid1 raid0 multipath linear crct10dif_pclmul crc32_pclmul aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd psmouse virtio_scsi [239049.457553] CPU: 24 PID: 1298718 Comm: kworker/u64:24 Tainted: G D 4.4.0-36-generic #55-Ubuntu [239049.467497] Hardware name: Google Google/Google, BIOS Google 01/01/2011 [239049.474348] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs] [239049.481472] task: ffff8801512dee00 ti: ffff8801fd1c8000 task.ti: ffff8801fd1c8000 [239049.489205] RIP: 0010:[<ffffffff810eecf9>] [<ffffffff810eecf9>] hrtimer_active+0x9/0x60 [239049.497702] RSP: 0018:ffff8801fd1cbc20 EFLAGS: 00010046 [239049.503230] RAX: 0000000000000000 RBX: 00000000d3c53db8 RCX: 0000000000000000 [239049.510569] RDX: 0000000000000000 RSI: 0000000000000003 RDI: 00000000d3c53db8 [239049.517910] RBP: ffff8801fd1cbc20 R08: ffff88336f416d00 R09: ffff88333fe57e00 [239049.525250] R10: 00000000000000a0 R11: 0000000001b5675f R12: ffff8807024cb628 [239049.532595] R13: ffff8802d5e5bd98 R14: 0000000000000000 R15: 0000000000000003 [239049.539938] FS: 0000000000000000(0000) GS:ffff88336f400000(0000) knlGS:0000000000000000 [239049.548246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [239049.554234] CR2: 00000000d3c53de8 CR3: 0000000a5e8a1000 CR4: 00000000001406e0 [239049.561576] Stack: [239049.563812] ffff8801fd1cbc58 ffffffff810ef249 0000000000000003 00000000d3b71a0d [239049.571936] 00000000d3c53db8 ffff8807024cb628 ffff8802d5e5bd98 ffff8801fd1cbca8 [239049.580141] ffffffff8182d3c1 ffffffff810c35f2 0000000100000001 0000000000000000 [239049.588300] Call Trace: [239049.590976] [<ffffffff810ef249>] hrtimer_try_to_cancel+0x29/0x130 [239049.597384] [<ffffffff8182d3c1>] schedule_hrtimeout_range_clock+0xd1/0x1b0 [239049.604571] [<ffffffff810c35f2>] ? __wake_up_common+0x52/0x90 [239049.610619] [<ffffffff810c3669>] __wake_up+0x39/0x50 [239049.615906] [<ffffffffc02ce324>] btrfs_remove_ordered_extent+0x154/0x250 [btrfs] [239049.623620] [<ffffffffc02bc040>] btrfs_finish_ordered_io+0x1d0/0x650 [btrfs] [239049.630993] [<ffffffffc02bc785>] finish_ordered_fn+0x15/0x20 [btrfs] [239049.637666] [<ffffffffc02e4eba>] btrfs_scrubparity_helper+0xca/0x2f0 [btrfs] [239049.645042] [<ffffffffc02e516e>] btrfs_endio_write_helper+0xe/0x10 [btrfs] [239049.652239] [<ffffffff8109a2c5>] process_one_work+0x165/0x480 [239049.658293] [<ffffffff8109a62b>] worker_thread+0x4b/0x4c0 [239049.663984] [<ffffffff8109a5e0>] ? process_one_work+0x480/0x480 [239049.670196] [<ffffffff8109a5e0>] ? process_one_work+0x480/0x480 [239049.676420] [<ffffffff810a0808>] kthread+0xd8/0xf0 [239049.681514] [<ffffffff810a0730>] ? kthread_create_on_node+0x1e0/0x1e0 [239049.688260] [<ffffffff8182e34f>] ret_from_fork+0x3f/0x70 [239049.693870] [<ffffffff810a0730>] ? kthread_create_on_node+0x1e0/0x1e0 [239049.700599] Code: 00 00 0f 1f 44 00 00 55 48 c7 47 28 10 f0 0e 81 48 89 77 58 48 89 e5 5d c3 66 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 89 e5 <48> 8b 57 30 eb 1d 80 7f 38 00 75 32 48 3b 78 08 74 2c 39 50 04 [239049.727797] RIP [<ffffffff810eecf9>] hrtimer_active+0x9/0x60 [239049.733868] RSP <ffff8801fd1cbc20> [239049.737557] CR2: 00000000d3c53de8 [239049.741535] ---[ end trace 774da4af66731bb5 ]--- Thanks, Mark Gavalda -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
