RHEL7: kernel crash in xfs_vm_writepage - kernel BUG at fs/xfs/xfs_aops.c:1062!

Solution Verified - Updated -

Issue

  • The systems (docker hosts) are crashing in xfs_vm_writepage()
  • spontaneous restart while running docker/kubernetes
  • kernel paniced due to BUG at fs/xfs/xfs_aops.c:1062!
[1004630.854317] kernel BUG at fs/xfs/xfs_aops.c:1062!
[1004630.854894] invalid opcode: 0000 [#1] SMP 
[1004630.855450] Modules linked in: veth br_netfilter bridge stp llc vxlan ip6_udp_tunnel udp_tunnel mptctl mptbase xt_statistic binfmt_misc bonding dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio ipt_REJECT nf_reject_ipv4 xt_conntrack iptable_filter xt_nat ipt_MASQUERADE nf_nat_masquerade_ipv4 xt_comment xt_mark xt_addrtype iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack vfat fat intel_powerclamp coretemp intel_rapl iosf_mbi ipmi_devintf iTCO_wdt kvm_intel iTCO_vendor_support kvm irqbypass crc32_pclmul ghash_clmulni_intel aesni_intel lrw gf128mul glue_helper ablk_helper cryptd ipmi_ssif pcspkr sb_edac edac_core i2c_i801 lpc_ich sg hpilo hpwdt ioatdma shpchp dca wmi ipmi_si ipmi_msghandler pcc_cpufreq acpi_power_meter ip_tables xfs sd_mod mgag200 i2c_algo_bit drm_kms_helper
[1004630.859266]  syscopyarea sysfillrect sysimgblt fb_sys_fops ttm drm i2c_core lpfc crc32c_intel bnx2x crc_t10dif crct10dif_generic hpsa crct10dif_pclmul scsi_transport_fc mdio scsi_tgt ptp scsi_transport_sas crct10dif_common pps_core libcrc32c fjes dm_mirror dm_region_hash dm_log dm_mod
[1004630.861333] CPU: 6 PID: 56715 Comm: kworker/u48:4 Tainted: G        W      ------------   3.10.0-514.el7.x86_64 #1
[1004630.862046] Hardware name: HP ProLiant BL460c Gen9, BIOS I36 12/28/2015
[1004630.862703] Workqueue: writeback bdi_writeback_workfn (flush-253:28)
[1004630.863414] task: ffff881f8436de20 ti: ffff881f23a4c000 task.ti: ffff881f23a4c000
[1004630.864117] RIP: 0010:[<ffffffffa083f2fb>]  [<ffffffffa083f2fb>] xfs_vm_writepage+0x58b/0x5d0 [xfs]
[1004630.864860] RSP: 0018:ffff881f23a4f948  EFLAGS: 00010246
[1004630.865749] RAX: 002fffff00040029 RBX: ffff881bedd50308 RCX: 000000000000000c
[1004630.866466] RDX: 0000000000000008 RSI: ffff881f23a4fc40 RDI: ffffea00296b7800
[1004630.867218] RBP: ffff881f23a4f9f0 R08: fffffffffffffffe R09: 000000000001a098
[1004630.867941] R10: ffff88207ffd6000 R11: 0000000000000000 R12: ffff881bedd50308
[1004630.868656] R13: ffff881f23a4fc40 R14: ffff881bedd501b8 R15: ffffea00296b7800
[1004630.869399] FS:  0000000000000000(0000) GS:ffff881fff180000(0000) knlGS:0000000000000000
[1004630.870147] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[1004630.870868] CR2: 0000000000eb3d30 CR3: 0000001ff79dc000 CR4: 00000000001407e0
[1004630.871610] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[1004630.872349] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[1004630.873072] Stack:
[1004630.873749]  0000000000008000 ffff880070b03644 ffff881f23a4fc40 ffff881f23a4fa68
[1004630.874480]  ffff881f23a4fa80 ffffea00296b7800 0000000000001000 000000000000000e
[1004630.875223]  0000000000001000 ffffffff81180981 0000000000000000 ffff881bedd50310
[1004630.875957] Call Trace:
[1004630.876665]  [<ffffffff81180981>] ? find_get_pages_tag+0xe1/0x1a0
[1004630.877417]  [<ffffffff8118b3b3>] __writepage+0x13/0x50
[1004630.878173]  [<ffffffff8118bed1>] write_cache_pages+0x251/0x4d0
[1004630.878915]  [<ffffffffa00c170a>] ? enqueue_cmd_and_start_io+0x3a/0x40 [hpsa]
[1004630.879626]  [<ffffffff8118b3a0>] ? global_dirtyable_memory+0x70/0x70
[1004630.880368]  [<ffffffff8118c19d>] generic_writepages+0x4d/0x80
[1004630.881157]  [<ffffffffa083e063>] xfs_vm_writepages+0x53/0x90 [xfs]
[1004630.881907]  [<ffffffff8118d24e>] do_writepages+0x1e/0x40
[1004630.882643]  [<ffffffff81228730>] __writeback_single_inode+0x40/0x210
[1004630.883403]  [<ffffffff8122941e>] writeback_sb_inodes+0x25e/0x420
[1004630.884141]  [<ffffffff8122967f>] __writeback_inodes_wb+0x9f/0xd0
[1004630.884863]  [<ffffffff81229ec3>] wb_writeback+0x263/0x2f0   
[1004630.885610]  [<ffffffff810ab776>] ? set_worker_desc+0x86/0xb0
[1004630.886378]  [<ffffffff8122bd05>] bdi_writeback_workfn+0x115/0x460
[1004630.887142]  [<ffffffff810c4cf8>] ? try_to_wake_up+0x1c8/0x330
[1004630.887875]  [<ffffffff810a7f3b>] process_one_work+0x17b/0x470
[1004630.888638]  [<ffffffff810a8d76>] worker_thread+0x126/0x410   
[1004630.889389]  [<ffffffff810a8c50>] ? rescuer_thread+0x460/0x460
[1004630.890126]  [<ffffffff810b052f>] kthread+0xcf/0xe0
[1004630.890816]  [<ffffffff810b0460>] ? kthread_create_on_node+0x140/0x140
[1004630.891521]  [<ffffffff81696418>] ret_from_fork+0x58/0x90
[1004630.892229]  [<ffffffff810b0460>] ? kthread_create_on_node+0x140/0x140
[1004630.892877] Code: e0 80 3d 4d b4 06 00 00 0f 85 a4 fe ff ff be d7 03 00 00 48 c7 c7 4a e0 88 a0 e8 61 66 84 e0 c6 05 2f b4 06 00 01 e9 87 fe ff ff <0f> 0b 8b 4d a4 e9 e8 fb ff ff 41 b9 01 00 00 00 e9 69 fd ff ff 
[1004630.894245] RIP  [<ffffffffa083f2fb>] xfs_vm_writepage+0x58b/0x5d0 [xfs]
[1004630.894890]  RSP <ffff881f23a4f948>

Environment

  • Red Hat Enterprise Linux (RHEL) 7.3
    • kernel prior to kernel-3.10.0-514.13.1.el7
  • Seen with
    • Java JVM's 'hsperf' memory mapped writeable 'hsperfdata' files on xfs
    • Samba while accessing its profile database (/var/lib/samba/smbprofile.tdb)

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