[Hampshire] SATA problems in 2.6.16 w/xen

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Author: James Ogden
Date:  
To: hampshire
Subject: [Hampshire] SATA problems in 2.6.16 w/xen
Hello

This is with a new drive, new motherboard, SATA II. The machine seems
to be fine until it gets loaded my a xen guest domain, at which point
disk access stalled - presumably because this is happening:

Dec 13 10:36:03 [kernel] ata3: handling error/timeout
Dec 13 10:36:03 [kernel] ata3: port reset, p_is 1 is 4 pis 1 cmd c017 tf 
50 ss 123 se 0
Dec 13 10:36:03 [kernel] ata3: status=0x50 { DriveReady SeekComplete }
Dec 13 10:36:03 [kernel] sda: Current: sense key=0x0
Dec 13 10:36:03 [kernel]     ASC=0x0 ASCQ=0x0
Dec 13 10:36:33 [kernel] ata3: handling error/timeout
Dec 13 10:36:33 [kernel] ata3: port reset, p_is 1 is 4 pis 1 cmd c017 tf 
50 ss 123 se 0
Dec 13 10:36:33 [kernel] ata3: status=0x50 { DriveReady SeekComplete }
Dec 13 10:36:33 [kernel] sda: Current: sense key=0x0
Dec 13 10:36:33 [kernel]     ASC=0x0 ASCQ=0x0


Does anyone have any good ideas? (For example, it's a Intel 6300 DC -
is there a way to turn off one of the processors to test?)

Cheers

James