Date: Thu, 4 Mar 1999 13:03:53 -0500 From: Mayan Moudgill <mayan@watson.ibm.com> To: aic7xxx@freebsd.org Subject: getting an adaptec 2940 ultra to work... Message-ID: <9903041803.AA36134@mayan.watson.ibm.com>
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I am having trouble getting an adaptec 2940 to work with
a new Linux port to a PPC board. I would appreciate any
help.
I am using version 2.1.137 kernel, with the aic7xxx files
from the version 2.2.1 redhat distribution [That is
aic7xxx v 5.1.11]. The hardware is a powerPC board running
a PPC750 and using an internal PCI bridge card. I have
no drives connected to the Adaptec 2940 ultra card.
The card goes into an infinite sequence of the following:
SCSI host 0 abort (pid 0) timed out - resetting
SCSI bus is being reset for host 0 channel 0.
SCSI host 0 channel 0 reset (pid 0) timed out - trying harder
SCSI bus is being reset for host 0 channel 0.
The text before that is
(scsi0) <Adaptec AHA-2940A Ultra SCSI host adapter> found at PCI 1/0
(scsi0) Narrow Channel, SCSI ID=7, 3/255 SCBs
(scsi0) Warning - detected auto-termination
(scsi0) Please verify driver detected settings are correct.
(scsi0) If not, then please properly set the device termination
(scsi0) in the Adaptec SCSI BIOS by hitting CTRL-A when prompted
(scsi0) during machine bootup.
(scsi0) Cables present (Int-50 NO, Ext-50 NO)
(scsi0) Downloading sequencer code... 419 instructions downloaded
scsi0 : Adaptec AHA274x/284x/294x (EISA/VLB/PCI-Fast SCSI) 5.1.11/3.2.4
<Adaptec AHA-2940A Ultra SCSI host adapter>
scsi : 1 host.
scsi : aborting command due to timeout : pid 0, scsi0, channel 0, id 0, lun 0
Test Unit Ready 00 00 00 00 00
SCSI host 0 abort (pid 0) timed out - resetting
SCSI bus is being reset for host 0 channel 0.
If I boot with aic7xxx=no_reset, the same things happen.
Does anybody have any ideas as to whats going on?
Also, can anybody tell me how to get documentation for writing
device drivers for the 2940 ultra?
Thanks!
Mayan Moudgill
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