Seeing Errors using I2O w/ ASR-2000S

[Eric Hoeve]

I am seeing lots of errors in /var/log/messages after modprobe i2o_scsi.

/var/log/messages
--------------------------------
<snip>
kernel: scsi-osm: SCSI error 05001200
last message repeated 14 times
<snip>
kernel: scsi-osm: SCSI error 05001200
last message repeated 14 times
<snip>
kernel: scsi-osm: SCSI error 05000002
kernel: 70
kernel: 00
kernel: 06
kernel: 00
last message repeated 3 times
kernel: 14
kernel: 00
last message repeated 3 times
kernel: 29
bucky kernel: 00
last message repeated 8 times
kernel: 01
kernel: 2a
kernel: 52
kernel: f0
kernel: 00
kernel: 00
kernel: 80
kernel: 00
last message repeated 6 times
kernel: d0
<snip>
kernel: st0: Block limits 1 - 16777215 bytes.
kernel: Buffer I/O error on device sda1, logical block 30724160
kernel: Buffer I/O error on device sda1, logical block 30724161
kernel: Buffer I/O error on device sda1, logical block 30724162
kernel: Buffer I/O error on device sda1, logical block 30724163
kernel: Buffer I/O error on device sda1, logical block 30724164
kernel: Buffer I/O error on device sda1, logical block 30724165
kernel: Buffer I/O error on device sda1, logical block 30724166
kernel: Buffer I/O error on device sda1, logical block 30724167
kernel: Buffer I/O error on device sda1, logical block 30724168
.
.
.

These "Buffer I/O error on device sdaX" keep appearing periodically,
where sdaX are disks that are part of my RAID configuration.

lsmod shows:
<snip>
i2o_scsi               11585  0
ext3                  117961  5
jbd                    59353  1 ext3
i2o_block              16333  7
i2o_core               41949  2 i2o_scsi,i2o_block
sd_mod                 20289  0
scsi_mod              112136  3 st,i2o_scsi,sd_mod

Hardware:
Supermicro P4DP6/E7500/Adaptec 7899W Ultra 160
Dual Xeon 2.4
Adaptec 2000S zero-channel RAID controller 32MB (BIOS 1.41 2001/07/13)
Sony SDT-11000 DDS-4 68-pin Ultra 2/LVD

lspci
00:00.0 Host bridge: Intel Corp. E7500 Memory Controller Hub (rev 02)
00:00.1 Class ff00: Intel Corp. E7500/E7501 Host RASUM Controller (rev
02)
00:02.0 PCI bridge: Intel Corp. E7500/E7501 Hub Interface B PCI-to-PCI
Bridge (rev 02)
00:03.0 PCI bridge: Intel Corp. E7500/E7501 Hub Interface C PCI-to-PCI
Bridge (rev 02)
00:1d.0 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #1) (rev 02)
00:1d.1 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #2) (rev 02)
00:1d.2 USB Controller: Intel Corp. 82801CA/CAM USB (Hub #3) (rev 02)
00:1e.0 PCI bridge: Intel Corp. 82801 PCI Bridge (rev 42)
00:1f.0 ISA bridge: Intel Corp. 82801CA LPC Interface Controller (rev
02)
00:1f.1 IDE interface: Intel Corp. 82801CA Ultra ATA Storage Controller
(rev 02)
00:1f.3 SMBus: Intel Corp. 82801CA/CAM SMBus Controller (rev 02)
01:1c.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03)
01:1d.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03)
01:1e.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03)
01:1f.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03)
04:1c.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03)
04:1d.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03)
04:1e.0 PIC: Intel Corp. 82870P2 P64H2 I/OxAPIC (rev 03)
04:1f.0 PCI bridge: Intel Corp. 82870P2 P64H2 Hub PCI Bridge (rev 03)
05:01.0 Multimedia audio controller: Creative Labs SB Live! EMU10k1 (rev
07)
05:01.1 Input device controller: Creative Labs SB Live! MIDI/Game Port
(rev 07)
05:02.0 PCI bridge: Hint Corp HB6 Universal PCI-PCI bridge
(non-transparent mode) (rev 13)
05:03.0 Ethernet controller: Intel Corp. 82544EI Gigabit Ethernet
Controller (Copper) (rev 02)
06:00.0 VGA compatible controller: Matrox Graphics, Inc. MGA G400 AGP
(rev 85)
07:01.0 RAID bus controller: Adaptec (formerly DPT) SmartRAID V
Controller (rev 01)
08:02.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100]
(rev 0d)
08:03.0 Ethernet controller: Intel Corp. 82557/8/9 [Ethernet Pro 100]
(rev 0d)

-Eric
-- 
Eric Hoeve
fedora at ehoeve dot com