kern/177536: [zfs] zfs livelock (deadlock) with high write-to-disk load

[Martin Birgmeier]

The following reply was made to PR kern/177536; it has been noted by GNATS.

From: Martin Birgmeier <Martin.Birgmeier at aon.at>
To: "Christopher D. Harrison" <harrison at biostat.wisc.edu>
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 21:56:20 +0200

 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