AIC 7902 driver in Stable: problems with a B channel drive.

Justin T. Gibbs gibbs at scsiguy.com
Tue Jul 1 15:08:07 PDT 2003


> What still doesn't work: I attach a JetStor III disk array (from AC&NC) to
> the B channel of the embedded controller and the Stable boot goes into a
> nice loop of "Dump Card State".  See below for a listing of a couple of
> cycles of this loop from a verbose dump.  The AIC7902 BIOS correctly sees
> the disk array as target 3 on the B channel of the controller.

Is the JetStor III rated for U320?  My guess is no, but that it is not
properly rejecting the packetized request we make in our outgoing parallel
protocol request message.  To work around this broken device, disable
packetized protocol in SCSI select.  Just dropping the speed to 160 does
not disable packetized protocol.  You should probably disable QAS for
this target as well.

--
Justin



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