Date: Mon, 3 Apr 1995 19:38:32 -0500 (CDT) From: bob@obiwan.pmr.com (Bob Willcox) To: gibbs@estienne.CS.Berkeley.EDU (Justin T. Gibbs) Cc: freebsd-current@freefall.cdrom.com Subject: Re: aic7xxx.c: Target Busy console messages Message-ID: <m0rvwdc-000308C@obiwan.pmr.com> In-Reply-To: <199504040030.RAA08552@estienne.cs.berkeley.edu> from "Justin T. Gibbs" at Apr 3, 95 05:30:32 pm
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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
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