I test linux-image-2.6.28-12-generic (AMD64) on motherboard ASUS P6T - SAS RAID works good.
$ dpkg -s linux-image-`uname -r` Package: linux-image-2.6.28-12-generic Status: install ok installed Priority: optional Section: base Installed-Size: 109596 Maintainer: Ubuntu Kernel Team <email address hidden> Architecture: amd64 Source: linux Version: 2.6.28-12.43
$ dmesg | grep -i sas [ 5.454409] mvsas 0000:06:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19 [ 5.454415] mvsas 0000:06:00.0: setting latency timer to 64 [ 6.796021] mvsas 0000:06:00.0: phy[0] Get Attached Address 0x5000C5000BA2A0E1 , SAS Address 0x5005043011AB0000 [ 6.796024] mvsas 0000:06:00.0: Rate = 9 , type = 2 [ 6.900020] mvsas 0000:06:00.0: phy[1] Get Attached Address 0x5000C5000BA325C9 , SAS Address 0x5005043011AB0000 [ 6.900023] mvsas 0000:06:00.0: Rate = 9 , type = 2 [ 7.108023] scsi6 : mvsas [ 7.108187] mvsas 0000:06:00.0: version 0.5.2 [ 7.108189] mvsas 0000:06:00.0: 4 phys, addr 5005043011ab0000 [ 74.636302] Adding 16779884k swap on /dev/mapper/ddf1_SAS_RAID2. Priority:-1 extents:1 across:16779884k
I test linux-image- 2.6.28- 12-generic (AMD64) on motherboard ASUS P6T - SAS RAID works good.
$ dpkg -s linux-image-`uname -r` 2.6.28- 12-generic
Package: linux-image-
Status: install ok installed
Priority: optional
Section: base
Installed-Size: 109596
Maintainer: Ubuntu Kernel Team <email address hidden>
Architecture: amd64
Source: linux
Version: 2.6.28-12.43
$ dmesg | grep -i sas ddf1_SAS_ RAID2. Priority:-1 extents:1 across:16779884k
[ 5.454409] mvsas 0000:06:00.0: PCI INT A -> GSI 19 (level, low) -> IRQ 19
[ 5.454415] mvsas 0000:06:00.0: setting latency timer to 64
[ 6.796021] mvsas 0000:06:00.0: phy[0] Get Attached Address 0x5000C5000BA2A0E1 , SAS Address 0x5005043011AB0000
[ 6.796024] mvsas 0000:06:00.0: Rate = 9 , type = 2
[ 6.900020] mvsas 0000:06:00.0: phy[1] Get Attached Address 0x5000C5000BA325C9 , SAS Address 0x5005043011AB0000
[ 6.900023] mvsas 0000:06:00.0: Rate = 9 , type = 2
[ 7.108023] scsi6 : mvsas
[ 7.108187] mvsas 0000:06:00.0: version 0.5.2
[ 7.108189] mvsas 0000:06:00.0: 4 phys, addr 5005043011ab0000
[ 74.636302] Adding 16779884k swap on /dev/mapper/