Greetings,
We had this warning[1] on long-term mainline kernel 3.18.19. Can anybody
please advise on what might be causing it.
Thanks,
Alex.
[1]
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.538709] BUG: Bad page state
in process kworker/0:1H pfn:4b317
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.539555]
page:ffffea00012cc5c0 count:0 mapcount:-1 mapping: (null) index:0x0
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.540541] flags:
0x1ffff0000008000(tail)
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541087] page dumped
because: nonzero mapcount
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541664] Modules linked in:
dm_crypt(OE) xfrm_user(E) xfrm4_tunnel(E) tunnel4(E) ipcomp(E)
xfrm_ipcomp(E) esp4(E) ah4(E) xt_multiport(E) dm_queue_length(E) sd_mod(E)
bonding(E) ib_iser(OE) rdma_cm(OE) iw_cm(OE) ib_cm(OE) ib_sa(OE) ib_mad(OE)
ib_core(OE) ib_addr(OE) compat(OE) iscsi_tcp(OE) libiscsi_tcp(OE)
libiscsi(OE) scsi_transport_iscsi(OE) ipt_MASQUERADE(E)
nf_nat_masquerade_ipv4(E) iptable_nat(E) nf_nat_ipv4(E) nf_nat(E)
nf_conntrack_ipv4(E) nf_defrag_ipv4(E) xt_conntrack(E) nf_conntrack(E)
ipt_REJECT(E) nf_reject_ipv4(E) xt_CHECKSUM(E) iptable_mangle(E)
xt_tcpudp(E) dm_zcache(OE) bridge(E) stp(E) llc(E) xfs(OE) btrfs(OE)
ip6table_filter(E) ip6_tables(E) raid456(OE) iptable_filter(E)
async_raid6_recov(E) async_memcpy(E) async_pq(E) async_xor(E) ip_tables(E)
x_tables(E) xor(E) async_tx(E) raid6_pq(E) raid1(OE) md_mod(OE) deflate(E)
ctr(E) twofish_generic(E) twofish_x86_64_3way(E) twofish_x86_64(E)
twofish_common(E) camellia_generic(E) camellia_x86_64(E)
serpent_sse2_x86_64(E) xts(E) serpent_generic(E) lrw(E) gf128mul(E)
glue_helper(E) blowfish_generic(E) blowfish_x86_64(E) blowfish_common(E)
cast5_generic(E) cast_common(E) ablk_helper(E) cryptd(E) des3_ede_x86_64(E)
des_generic(E) cmac(E) xcbc(E) rmd160(E) crypto_null(E) af_key(E)
xfrm_algo(E) iscsi_scst(OE) scst_utgt(OE) scst_vdisk(OE) libcrc32c(E)
scst(OE) ppdev(E) nls_iso8859_1(E) dm_multipath(OE) kvm(E) scsi_dh(E)
serio_raw(E) ttm(E) drm_kms_helper(E) drm(E) nfsd(OE) syscopyarea(E)
auth_rpcgss(E) nfs_acl(E) sysfillrect(E) 8250_fintek(E) sysimgblt(E) nfs(E)
parport_pc(E) lockd(E) grace(E) i2c_piix4(E) sunrpc(E) fscache(E)
i6300esb(E) mac_hid(E) lp(E) parport(E) ata_generic(E) pata_acpi(E)
ata_piix(E) psmouse(E) floppy(E) libata(E) scsi_mod(OE) ixgbevf(OE)
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541736] CPU: 0 PID: 3885
Comm: kworker/0:1H Tainted: G OE 3.18.19-zadara05 #1
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541738] Hardware name:
Bochs Bochs, BIOS Bochs 01/01/2007
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541743] Workqueue: kblockd
blk_delay_work
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541744] ffffffff81a79568
ffff88008fa03c88 ffffffff81710c85 0000000000001fcc
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541747] ffffea00012cc5c0
ffff88008fa03cb8 ffffffff8170d7d7 ff0000ffffffffff
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541749] ffffea00012cc5c0
0000000000000000 00ffff0000000000 ffff88008fa03d08
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541751] Call Trace:
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541753] <IRQ>
[<ffffffff81710c85>] dump_stack+0x4e/0x71
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541759]
[<ffffffff8170d7d7>] bad_page.part.50+0xe0/0xfe
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541764]
[<ffffffff81176989>] free_pages_prepare+0x199/0x1b0
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541766]
[<ffffffff81178b0b>] __free_pages_ok+0x1b/0xd0
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541768]
[<ffffffff81178bdb>] free_compound_page+0x1b/0x20
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541770]
[<ffffffff8170dca7>] __put_compound_page+0x19/0x1d
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541773]
[<ffffffff8117fdcf>] put_compound_page+0x1bf/0x1e0
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541776]
[<ffffffff8117fe3b>] put_page+0x4b/0x50
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541779]
[<ffffffff81718fed>] ? reschedule_interrupt+0x6d/0x80
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541782]
[<ffffffff815fcae7>] skb_release_data+0x87/0xd0
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541784]
[<ffffffff815fcb58>] skb_release_all+0x28/0x30
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541786]
[<ffffffff815fcf8c>] consume_skb+0x2c/0xa0
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541789]
[<ffffffff8160cfc5>] __dev_kfree_skb_any+0x35/0x40
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541797]
[<ffffffffc039a3c1>] ixgbevf_poll+0xd1/0x550 [ixgbevf]
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541799]
[<ffffffff8160e3c2>] net_rx_action+0x152/0x280
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541803]
[<ffffffff81077025>] __do_softirq+0xf5/0x320
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541805]
[<ffffffff81077575>] irq_exit+0x115/0x120
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541809]
[<ffffffff81048895>] smp_call_function_single_interrupt+0x35/0x40
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541811]
[<ffffffff81718ded>] call_function_single_interrupt+0x6d/0x80
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541812] <EOI>
[<ffffffffc03d0047>] ? scsi_host_free_command.isra.10+0x47/0x50 [scsi_mod]
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541824]
[<ffffffff817173e6>] ? _raw_spin_unlock_irq+0x16/0x50
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541826]
[<ffffffff81362fa5>] blk_delay_work+0x35/0x40
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541831]
[<ffffffff8108bd56>] process_one_work+0x146/0x410
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541833]
[<ffffffff8108c141>] worker_thread+0x121/0x450
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541836]
[<ffffffff8108c020>] ? process_one_work+0x410/0x410
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541838]
[<ffffffff810911b9>] kthread+0xc9/0xe0
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541840]
[<ffffffff810910f0>] ? kthread_create_on_node+0x180/0x180
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541843]
[<ffffffff81717918>] ret_from_fork+0x58/0x90
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541845]
[<ffffffff810910f0>] ? kthread_create_on_node+0x180/0x180
Jul 21 22:57:27 vsa-000001cc-vc-1 kernel: [96804.541846] Disabling lock
debugging due to kernel taint
