Bug 9902 - Red Hat 6.1 Adaptec aic7xxxx driver hangs with SCSI Ultra3 drive
Red Hat 6.1 Adaptec aic7xxxx driver hangs with SCSI Ultra3 drive
Product: Red Hat Linux
Classification: Retired
Component: kernel (Show other bugs)
i386 Linux
medium Severity medium
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Assigned To: Michael K. Johnson
Depends On:
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Reported: 2000-03-01 14:45 EST by bbetanco
Modified: 2008-05-01 11:37 EDT (History)
0 users

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Doc Type: Bug Fix
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Last Closed: 2001-08-01 13:42:51 EDT
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Description bbetanco 2000-03-01 14:45:10 EST
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.
System configuration:
Intel  L440GXC motherboard w/ onboard Adaptec AIC-7896 SCSI Controller
w/BIOS v2.20S1B1.
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.
Comment 1 bbetanco 2000-03-01 15:26:59 EST
I could provide you a SCSI bus trace of issue.
Send request to bbetanco@us.ibm.com
BTW- you can call me Bill!
Comment 2 Cristian Gafton 2000-03-02 12:13:59 EST
assigned to dledford
Comment 3 bbetanco 2000-03-02 12:48:59 EST
Thank you for your help!
The latest aic7xxx driver solved the issue!
Comment 4 Glen Foster 2001-08-01 13:42:45 EDT
Closing at customer's request.

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