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Date:      Thu, 23 Mar 1995 15:26:31 -0500 (EST)
From:      "matthew c. mead" <mmead@goof.com>
To:        gibbs@estienne.CS.Berkeley.EDU (Justin T. Gibbs)
Cc:        current@FreeBSD.org
Subject:   Re: Adaptec 2940
Message-ID:  <199503232026.PAA12559@goof.com>
In-Reply-To: <199503232020.MAA04720@estienne.cs.berkeley.edu> from "Justin T. Gibbs" at Mar 23, 95 12:20:24 pm

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Justin T. Gibbs wrote:

> There may be some problems with a race condition during probe.  This is 
> something I'm working on right now.  It seems that, although the driver
> is told to poll for its interrupts, interrupts are not masked, and the
> driver gets totally confused when it polls and finds an interrupt waiting,
> but finds the SCB that caused the condition to be gone (handled by the
> interrupt handler in response to the unmasked interrupt).  My quick hack
> is to not register the card's interrupt handler until after we attach all
> scsi devices, but I still run into problems when attempting to share 
> interrupts between two controllers.  I'll post to the list once I get
> something more robust working.

	Hmm.  Thanks for the reply!  This seems to be the problem I'm
experiencing - I've gotten several different types of errors while it's been
being probed.


-matt

-- 
Matthew C. Mead  -> Virginia Tech Center for Transportation Research -
                 -> Multiple Platform System and Network Administration
Work Related     -> mmead@ctr.vt.edu    |     mmead@goof.com <-     All Other
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