From owner-freebsd-stable@FreeBSD.ORG  Fri May 11 17:45:37 2007
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Date: Fri, 11 May 2007 07:20:06 -1000
From: Richard Puga <puga@mauibuilt.com>
Organization: Maui Built Machines
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Subject: Intel ICH5 UDMA100 controller TIMEOUT - READ_DMA
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I am working with a new IBM XSeries 226 server.

It worked fine with the original 80 gig drives.

Upon replacing them with 2 new Hitichi 500 gig drives I get DMA timouts
at random times while using the on board Intel SATA controller.

I put a Promice SATA controller in the machine and everything works
great.


Has anyone heard of a problem with Intel controllers?


Thanks in advance

Richard Puga

Here is the info from dmesg and atacontrol;



 kernel: ad3: TIMEOUT - READ_DMA retrying (1 retry left) LBA=0
 kernel: ad2: TIMEOUT - WRITE_DMA48 retrying (1 retry left)
LBA=324524575
 kernel: ad2: TIMEOUT - READ_DMA retrying (1 retry left) LBA=3780487
 kernel: ad2: TIMEOUT - WRITE_DMA retrying (1 retry left) LBA=2651511
and so on....

atapci1: <Intel ICH5 UDMA100 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x14a0-0x14af at device 31.1 on pci0

ad4: 476940MB <Hitachi HDT725050VLA360 V56OA73A> at ata2-master SATA150
ad6: 476940MB <Hitachi HDT725050VLA360 V56OA73A> at ata3-master SATA150


 atacontrol cap ad4

Protocol              Serial ATA II
device model          Hitachi HDT725050VLA360
serial number         VFD400R40E0EHC
firmware revision     V56OA73A
cylinders             16383
heads                 16
sectors/track         63
lba supported         268435455 sectors
lba48 supported       976773168 sectors
dma supported
overlap not supported

Feature                      Support  Enable    Value           Vendor
write cache                    yes      yes
read ahead                     yes      yes
Native Command Queuing (NCQ)   yes       -      31/0x1F
Tagged Command Queuing (TCQ)   no       no      31/0x1F
SMART                          yes      no
microcode download             yes      yes
security                       yes      no
power management               yes      yes
advanced power management      yes      no      0/0x00
automatic acoustic management  yes      no      254/0xFE        128/0x80