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From: Greg Lehey <grog@lemis.com>
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Subject: Re: SCSI 1542 error
In-Reply-To: <199707301202.IAA15575@i4got.lakewood.com> from Bill Pechter at "Jul 30, 97 08:02:41 am"
To: pechter@lakewood.com
Date: Thu, 31 Jul 1997 11:02:00 +0930 (CST)
Cc: freebsd-scsi@freebsd.org (FreeBSD SCSI Mailing List)
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Bill Pechter writes:
>> Tom Samplonius writes:
>>>
>>> On Tue, 29 Jul 1997, Nate Williams wrote:
>>>
>> Jul 30 13:47:50 freebie /kernel: aha0: DMA beyond end Of ISA: 0x31bfd14
>>
>> Of course I have BOUNCE_BUFFERS set in the config file.
>>
>> In addition, lots of spurious error messages are caused by my Archive
>> DDS changer.  It got so bad (for some reason the driver wasn't able to
>> read or write the tape) that I had to hang it on the 2940 which I
>> usually reserve for disks (where it works perfectly).
>
> BTW -- the ch device doesn't use bounce buffers at all (unfortunately)...
> I've got the same problem with 2.2.2...

I'm not using the ch device here.  Or at least, I don't think I am.
I'm treating the changer as a normal DDS drive.

> I don't see any bounce problems in 2.2.2 except with the archive
> changer.

Since I moved it to the 2940, I haven't been seeing any problems
either.  But I have seen others.  I'll try to report when I can get
all the info together.

Greg