Nov 19 00:03:14 2hei.net kernel: mptscsih: ioc0: attempting task abort! (sc=ffff81004f0c7380)
Nov 19 00:03:14 2hei.net kernel: sd 0:0:0:0:
Nov 19 00:03:14 2hei.net kernel: command: Read(10): 28 00 00 26 15 d7 00 00 48 00
Nov 19 00:03:14 2hei.net kernel: mptbase: ioc0: LogInfo(0x31140000): Originator={PL}, Code={IO Executed}, SubCode(0x0000)
Nov 19 00:03:14 2hei.net kernel: mptscsih: ioc0: task abort: SUCCESS (sc=ffff81004f0c7380)
Nov 19 00:03:24 2hei.net kernel: mptscsih: ioc0: attempting task abort! (sc=ffff81004f0c7380)
Nov 19 00:03:24 2hei.net kernel: sd 0:0:0:0:
Nov 19 00:03:24 2hei.net kernel: command: Test Unit Ready: 00 00 00 00 00 00
Nov 19 00:03:25 2hei.net kernel: mptbase: ioc0: LogInfo(0x31130000): Originator={PL}, Code={IO Not Yet Executed}, SubCode(0x0000)
Nov 19 00:03:25 2hei.net kernel: mptscsih: ioc0: task abort: SUCCESS (sc=ffff81004f0c7380)
Nov 19 00:03:25 2hei.net kernel: mptscsih: ioc0: attempting task abort! (sc=ffff81006dce49c0)
Nov 19 00:03:25 2hei.net kernel: sd 0:0:0:0:
Nov 19 00:03:25 2hei.net kernel: command: Write(10): 2a 00 04 c4 a5 f2 00 01 40 00
Nov 19 00:12:10 2hei.net kernel: mptbase: ioc0: LogInfo(0x31140000): Originator={PL}, Code={IO Executed}, SubCode(0x0000)
Nov 19 00:12:11 2hei.net kernel: mptscsih: ioc0: task abort: SUCCESS (sc=ffff81006dce49c0)
Nov 19 00:12:11 2hei.net kernel: mptscsih: ioc0: attempting task abort! (sc=ffff81006dce49c0)
Nov 19 00:12:11 2hei.net kernel: sd 0:0:0:0:
Nov 19 00:12:11 2hei.net kernel: command: Test Unit Ready: 00 00 00 00 00 00
Nov 19 00:12:11 2hei.net kernel: mptbase: ioc0: LogInfo(0x31130000): Originator={PL}, Code={IO Not Yet Executed}, SubCode(0x0000)
Nov 19 00:12:11 2hei.net kernel: mptscsih: ioc0: task abort: SUCCESS (sc=ffff81006dce49c0)
Nov 19 00:12:11 2hei.net kernel: mptscsih: ioc0: attempting task abort! (sc=ffff81007f0d4980)

Linux 2hei.net.163.com 2.6.18-53.1.13.el5 #1 SMP Tue Feb 12 13:02:30 EST 2008 x86_64 x86_64 x86_64 GNU/Linux

[root@2hei.net ~]# cat /proc/scsi/scsi
Attached devices:
Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: HP Model: DF072A9844 Rev: HPD0
Type: Direct-Access ANSI SCSI revision: 05

[root@2hei.net ~]# modinfo mptsas
filename: /lib/modules/2.6.18-53.1.13.el5/kernel/drivers/message/fusion/mptsas.ko
version: 3.04.04
license: GPL
description: Fusion MPT SAS Host driver
author: LSI Logic Corporation
srcversion: D0507BBC402F30BCC5539C0
alias: pci:v00001000d00000062sv*sd*bc*sc*i*
alias: pci:v00001000d00000058sv*sd*bc*sc*i*
alias: pci:v00001000d00000056sv*sd*bc*sc*i*
alias: pci:v00001000d00000054sv*sd*bc*sc*i*
alias: pci:v00001000d00000050sv*sd*bc*sc*i*
depends: mptscsih,mptbase,scsi_mod,scsi_transport_sas
vermagic: 2.6.18-53.1.13.el5 SMP mod_unload gcc-4.1
parm: mpt_pt_clear: Clear persistency table: enable=1 (default=MPTSCSIH_PT_CLEAR=0) (int)
parm: max_lun: max lun, default=16895 (int)

Do you have acpi=off parameter passed to kernel? Try to set it on.
Also, do you use ReiserFS as filesystem?

http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c00715023&lang=en&cc=us&taskId=101&prodSeriesId=428936&prodTypeId=15351
http://h50176.www5.hp.com/support/292889-291/solve/108727.html

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