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To: bob@obiwan.pmr.com (Bob Willcox)
cc: freebsd-current@freefall.cdrom.com
Subject: Re: aic7xxx.c: Target Busy console messages 
In-reply-to: Your message of "Mon, 03 Apr 1995 19:38:32 CDT."
             <m0rvwdc-000308C@obiwan.pmr.com> 
Date: Mon, 10 Apr 1995 13:49:49 -0700
From: "Justin T. Gibbs" <gibbs@estienne.CS.Berkeley.EDU>
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I think that I've killed these in current.  Can you try the newer driver
and get back to me?

Thanks,
Justin

>Justin T. Gibbs wrote:
>> 
>> >I have noticed that with my new AHA-2740 controller card I get repetitive
>> >
>> >ahc0: Target Busy
>> >
>> >Messages on the console when accessing my Exabyte 8200 tape drive.
>> 
>> Did the probe say that it was a tagged queuing device?  Does the 
>> device actually work regardless of the messages?
>
>No, it doesn't support tagged queueing (doesn't even support
>synchronous xfers).  Seems to work ok with dump and restore, though
>I am having problems with dd and haven't really sorted them out
>just yet.
>
>> >
>> >>From this, it sounds to me that this is a rather normal condition
>> >and that the driver should simply reissue the command (periodically)
>> >until successful.  Is this true of other devices as well?
>> 
>> It does reissue the command.  It just doesn't happen that often so I log
>> it to the console.
>
>It happens quite often with this device :-(  I seem to be getting
>10-12 of them whenever I run dump or restore to it.
>
>
>-- 
>Bob Willcox
>bob@obiwan.pmr.com (or obiwan%bob@uunet.uu.net)
>Austin, TX

--
Justin T. Gibbs
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