kern/177536: [zfs] zfs livelock (deadlock) with high write-to-disk load
Christopher D. Harrison
harrison at biostat.wisc.edu
Wed Jul 31 21:40:02 UTC 2013
The following reply was made to PR kern/177536; it has been noted by GNATS.
From: "Christopher D. Harrison" <harrison at biostat.wisc.edu>
To: Martin Birgmeier <Martin.Birgmeier at aon.at>
Cc: bug-followup at FreeBSD.org
Subject: Re: kern/177536: [zfs] zfs livelock (deadlock) with high write-to-disk
load
Date: Wed, 31 Jul 2013 15:32:02 -0500
what raidz level are you using: raidz2, raid0, raid1
also what are the pool config (see below, my pool is called z):
MOS Configuration:
version: 28
name: 'z'
state: 0
txg: 214028175
pool_guid: 5334451366918939808
hostid: 4266313884
hostname: 'pisces.biostat.wisc.edu'
hole_array[0]: 3
vdev_children: 4
vdev_tree:
type: 'root'
id: 0
guid: 5334451366918939808
children[0]:
type: 'raidz'
id: 0
guid: 10192098197416954465
nparity: 2
metaslab_array: 34
metaslab_shift: 37
ashift: 9
asize: 16003083796480
is_log: 0
create_txg: 4
children[0]:
type: 'disk'
id: 0
guid: 5442684633350386182
path: '/dev/da3p1'
phys_path: '/dev/da3p1'
whole_disk: 1
DTL: 2318341
create_txg: 4
children[1]:
type: 'disk'
id: 1
guid: 4184769488943604229
path: '/dev/da2p1'
phys_path: '/dev/da2p1'
whole_disk: 1
DTL: 2318340
create_txg: 4
children[2]:
type: 'disk'
id: 2
guid: 6673578809124996458
path: '/dev/da1p1'
phys_path: '/dev/da1p1'
whole_disk: 1
DTL: 2318358
create_txg: 4
children[3]:
type: 'disk'
id: 3
guid: 14565784372994613264
path: '/dev/da0p1'
phys_path: '/dev/da0p1'
whole_disk: 1
DTL: 2318357
create_txg: 4
children[4]:
type: 'disk'
id: 4
guid: 17127372890035360647
path: '/dev/da6p1'
phys_path: '/dev/da6p1'
whole_disk: 1
DTL: 2318356
create_txg: 4
children[5]:
type: 'disk'
id: 5
guid: 5667576937780231702
path: '/dev/label/disk05'
phys_path: '/dev/label/disk05'
whole_disk: 1
DTL: 26389621
create_txg: 4
children[6]:
type: 'disk'
id: 6
guid: 16545540667878636920
path: '/dev/da5p1'
phys_path: '/dev/da5p1'
whole_disk: 1
DTL: 2318354
create_txg: 4
children[7]:
type: 'disk'
id: 7
guid: 16180883375304336701
path: '/dev/da4p1'
phys_path: '/dev/da4p1'
whole_disk: 1
DTL: 2318353
create_txg: 4
children[1]:
type: 'raidz'
id: 1
guid: 7000405778472969514
nparity: 2
metaslab_array: 32
metaslab_shift: 37
ashift: 9
asize: 16003083796480
is_log: 0
create_txg: 4
children[0]:
type: 'disk'
id: 0
guid: 11848332905648146086
path: '/dev/da10p1'
phys_path: '/dev/da10p1'
whole_disk: 1
DTL: 2318352
create_txg: 4
children[1]:
type: 'disk'
id: 1
guid: 17180048053682905420
path: '/dev/da9p1'
phys_path: '/dev/da9p1'
whole_disk: 1
DTL: 2318351
create_txg: 4
children[2]:
type: 'disk'
id: 2
guid: 14648362260613207535
path: '/dev/da8p1'
phys_path: '/dev/da8p1'
whole_disk: 1
DTL: 2318350
create_txg: 4
children[3]:
type: 'disk'
id: 3
guid: 2512073543886070959
path: '/dev/da7p1'
phys_path: '/dev/da7p1'
whole_disk: 1
DTL: 2318349
create_txg: 4
children[4]:
type: 'disk'
id: 4
guid: 9213113982598250625
path: '/dev/da14p1'
phys_path: '/dev/da14p1'
whole_disk: 1
DTL: 2318348
create_txg: 4
children[5]:
type: 'disk'
id: 5
guid: 14965308070554000358
path: '/dev/da13p1'
phys_path: '/dev/da13p1'
whole_disk: 1
DTL: 2318347
create_txg: 4
children[6]:
type: 'disk'
id: 6
guid: 8812761598924675500
path: '/dev/da12p1'
phys_path: '/dev/da12p1'
whole_disk: 1
DTL: 2318346
create_txg: 4
children[7]:
type: 'disk'
id: 7
guid: 15539718945154864246
path: '/dev/da11p1'
phys_path: '/dev/da11p1'
whole_disk: 1
DTL: 2318345
create_txg: 4
children[2]:
type: 'raidz'
id: 2
guid: 12675549095184402399
nparity: 2
metaslab_array: 30
metaslab_shift: 37
ashift: 9
asize: 16003083796480
is_log: 0
create_txg: 4
children[0]:
type: 'disk'
id: 0
guid: 9157198169193782917
path: '/dev/da16p1'
phys_path: '/dev/da16p1'
whole_disk: 1
DTL: 35652327
create_txg: 4
children[1]:
type: 'disk'
id: 1
guid: 14494767130322696735
path: '/dev/da17p1'
phys_path: '/dev/da17p1'
whole_disk: 1
DTL: 2318365
create_txg: 4
children[2]:
type: 'disk'
id: 2
guid: 17589735305722725561
path: '/dev/da18p1'
phys_path: '/dev/da18p1'
whole_disk: 1
DTL: 2318364
create_txg: 4
children[3]:
type: 'disk'
id: 3
guid: 14307956723966398718
path: '/dev/da19p1'
phys_path: '/dev/da19p1'
whole_disk: 1
DTL: 2318363
create_txg: 4
children[4]:
type: 'disk'
id: 4
guid: 15965579855708087029
path: '/dev/da20p1'
phys_path: '/dev/da20p1'
whole_disk: 1
DTL: 2318362
create_txg: 4
children[5]:
type: 'disk'
id: 5
guid: 760237787742339099
path: '/dev/da21p1'
phys_path: '/dev/da21p1'
whole_disk: 1
DTL: 2318361
create_txg: 4
children[6]:
type: 'disk'
id: 6
guid: 2500372020986714069
path: '/dev/da22p1'
phys_path: '/dev/da22p1'
whole_disk: 1
DTL: 2318360
create_txg: 4
children[7]:
type: 'disk'
id: 7
guid: 4544065732274116075
path: '/dev/label/disk24'
phys_path: '/dev/label/disk24'
whole_disk: 1
DTL: 5572568
create_txg: 4
children[3]:
type: 'hole'
id: 3
guid: 0
metaslab_array: 0
metaslab_shift: 17
ashift: 0
asize: 0
is_log: 0
is_hole: 1
On 07/31/13 14:56, Martin Birgmeier wrote:
> No, this is not an LSI HBA, but rather
>
> atapci0:<JMicron JMB361 UDMA133 controller> port
> 0xcc00-0xcc07,0xc880-0xc883,0xc800-0xc807,0xc480-0xc483,0xc400-0xc40f
> mem 0xfe8fe000-0xfe8fffff irq 18 at device 0.0 on pci3
> atapci1:<AHCI SATA controller> at channel -1 on atapci0
> atapci1: AHCI v1.00 controller with 2 3Gbps ports, PM supported
> ata2:<ATA channel> on atapci1
> ata3:<ATA channel> on atapci1
> ata4:<ATA channel> at channel 0 on atapci0
> atapci2:<ATI IXP700/800 SATA300 controller> port
> 0xa000-0xa007,0x9000-0x9003,0x8000-0x8007,0x7000-0x7003,0x6000-0x600f
> mem 0xfe4ffc00-0xfe4fffff irq 19 at device 17.0 on pci0
> atapci2: AHCI v1.20 controller with 6 3Gbps ports, PM supported
> ata5:<ATA channel> at channel 0 on atapci2
> ata6:<ATA channel> at channel 1 on atapci2
> ata7:<ATA channel> at channel 2 on atapci2
> ata8:<ATA channel> at channel 3 on atapci2
> ata9:<ATA channel> at channel 4 on atapci2
> ata10:<ATA channel> at channel 5 on atapci2
> ada0 at ata5 bus 0 scbus3 target 0 lun 0
> ada1 at ata6 bus 0 scbus4 target 0 lun 0
> ada2 at ata7 bus 0 scbus5 target 0 lun 0
> ada3 at ata8 bus 0 scbus6 target 0 lun 0
> ada4 at ata9 bus 0 scbus7 target 0 lun 0
> ada5 at ata10 bus 0 scbus8 target 0 lun 0
>
> (This is just a simple PC motherboard - ASUS M4A89GTD PRO USB3.)
>
> Regards,
>
> Martin
>
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