Public bug reported:
With Ubuntu wily kernel 4.2.0-18-generic a SyncTarget to a DRBD on LVM
on MD Raid1 produces errors:
Nov 14 17:46:20 kobol kernel: [ 198.351892] ata1.00: exception Emask 0x60 SAct
0x38 SErr 0x800 action 0x6 frozen
Nov 14 17:46:20 kobol kernel: [ 198.351922] ata1.00: irq_stat 0x20000000, host
bus error
Nov 14 17:46:20 kobol kernel: [ 198.351935] ata1: SError: { HostInt }
Nov 14 17:46:20 kobol kernel: [ 198.351944] ata1.00: failed command: WRITE
FPDMA QUEUED
Nov 14 17:46:20 kobol kernel: [ 198.351957] ata1.00: cmd
61/48:18:00:d8:95/05:00:07:00:00/40 tag 3 ncq 692224 out
Nov 14 17:46:20 kobol kernel: [ 198.351957] res
40/00:20:40:e1:95/00:00:07:00:00/40 Emask 0x60 (host bus error)
Nov 14 17:46:20 kobol kernel: [ 198.351988] ata1.00: status: { DRDY }
Nov 14 17:46:20 kobol kernel: [ 198.351997] ata1.00: failed command: WRITE
FPDMA QUEUED
Nov 14 17:46:20 kobol kernel: [ 198.352009] ata1.00: cmd
61/40:20:40:e1:95/00:00:07:00:00/40 tag 4 ncq 32768 out
Nov 14 17:46:20 kobol kernel: [ 198.352009] res
40/00:20:40:e1:95/00:00:07:00:00/40 Emask 0x60 (host bus error)
Nov 14 17:46:20 kobol kernel: [ 198.352039] ata1.00: status: { DRDY }
Nov 14 17:46:20 kobol kernel: [ 198.352047] ata1.00: failed command: WRITE
FPDMA QUEUED
Nov 14 17:46:20 kobol kernel: [ 198.352059] ata1.00: cmd
61/80:28:80:e1:95/00:00:07:00:00/40 tag 5 ncq 65536 out
Nov 14 17:46:20 kobol kernel: [ 198.352059] res
40/00:20:40:e1:95/00:00:07:00:00/40 Emask 0x60 (host bus error)
Nov 14 17:46:20 kobol kernel: [ 198.352090] ata1.00: status: { DRDY }
Nov 14 17:46:20 kobol kernel: [ 198.352099] ata1: hard resetting link
Nov 14 17:46:20 kobol kernel: [ 198.352106] ata2.00: exception Emask 0x60 SAct
0x70000 SErr 0x800 action 0x6 frozen
Nov 14 17:46:20 kobol kernel: [ 198.352133] ata2.00: irq_stat 0x20000000, host
bus error
Nov 14 17:46:20 kobol kernel: [ 198.352145] ata2: SError: { HostInt }
Nov 14 17:46:20 kobol kernel: [ 198.352154] ata2.00: failed command: WRITE
FPDMA QUEUED
Nov 14 17:46:20 kobol kernel: [ 198.352166] ata2.00: cmd
61/48:80:00:d8:95/05:00:07:00:00/40 tag 16 ncq 692224 out
Nov 14 17:46:20 kobol kernel: [ 198.352166] res
40/00:88:40:e1:95/00:00:07:00:00/40 Emask 0x60 (host bus error)
Nov 14 17:46:20 kobol kernel: [ 198.352196] ata2.00: status: { DRDY }
Nov 14 17:46:20 kobol kernel: [ 198.352204] ata2.00: failed command: WRITE
FPDMA QUEUED
Nov 14 17:46:20 kobol kernel: [ 198.352217] ata2.00: cmd
61/40:88:40:e1:95/00:00:07:00:00/40 tag 17 ncq 32768 out
Nov 14 17:46:20 kobol kernel: [ 198.352217] res
40/00:88:40:e1:95/00:00:07:00:00/40 Emask 0x60 (host bus error)
Nov 14 17:46:20 kobol kernel: [ 198.352246] ata2.00: status: { DRDY }
Nov 14 17:46:20 kobol kernel: [ 198.352254] ata2.00: failed command: WRITE
FPDMA QUEUED
Nov 14 17:46:20 kobol kernel: [ 198.352266] ata2.00: cmd
61/80:90:80:e1:95/00:00:07:00:00/40 tag 18 ncq 65536 out
Nov 14 17:46:20 kobol kernel: [ 198.352266] res
40/00:88:40:e1:95/00:00:07:00:00/40 Emask 0x60 (host bus error)
Nov 14 17:46:20 kobol kernel: [ 198.352295] ata2.00: status: { DRDY }
Nov 14 17:46:20 kobol kernel: [ 198.352304] ata2: hard resetting link
Nov 14 17:46:21 kobol kernel: [ 198.671678] ata2: SATA link up 6.0 Gbps
(SStatus 133 SControl 300)
Nov 14 17:46:21 kobol kernel: [ 198.673618] ata2.00: configured for UDMA/133
Nov 14 17:46:21 kobol kernel: [ 198.673628] ata2: EH complete
Nov 14 17:46:21 kobol kernel: [ 198.727651] ata1: SATA link up 6.0 Gbps
(SStatus 133 SControl 300)
Nov 14 17:46:21 kobol kernel: [ 198.735336] ata1.00: configured for UDMA/133
Nov 14 17:46:21 kobol kernel: [ 198.735343] ata1: EH complete
The error didn't show up before the update from kernel 4.2.0-16-generic.
Disabling NCQ with
echo 1 > /sys/block/sda/device/queue_depth
is a workaround.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
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https://bugs.launchpad.net/bugs/1516269
Title:
ata NCQ error with md, drbd and high load
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