Our mutual customer is in the process of qualifying the IBM Ultrastar 36LP
Hard Drive on the Intel L440GXC Server Motherboard. It is their first SCSI
U160 drive qualification.
Intel L440GXC motherboard w/ onboard Adaptec AIC-7896 SCSI Controller
OS Redhat Linux 6.1
Pisces - 36GB - 80pin w/ S60B
Bottom line.. During Linux installation from CD, when Red Hat Linux
attempts to load the Adaptec driver (aic7xxx driver), the Adaptec chip
hangs during the Parallel Protocol Request. During the Parallel Protocol
Request, we assert REQ for the REQ/ACK Offset of 3FH (63), however ACK is
never asserted by the initiator.
Why is the driver sending an Ultra 3 message?
Do you have an update Adaptec aix7xxxx driver?
Our previous generation drive, Ultrastar 18ES (SCSI Ultra 2) works fine w/
Linux 6.1, because we reject the Parallel Protocol Request.
I could provide you a SCSI bus trace of issue.
Send request to firstname.lastname@example.org
BTW- you can call me Bill!
assigned to dledford
Thank you for your help!
The latest aic7xxx driver solved the issue!
Closing at customer's request.