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Date: Sun, 23 Feb 1997 21:21:07 -0500
From: Randall Hopper <rhh@ct.picker.com>
To: Amancio Hasty <hasty@rah.star-gate.com>
Cc: multimedia@FreeBSD.org
Subject: Re: New BT848 driver 0.2
References: <19970222164418.44306@ct.picker.com> <199702222206.OAA09711@rah.star-gate.com>
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In-Reply-To: <199702222206.OAA09711@rah.star-gate.com>; from Amancio Hasty on Feb 02, 1997 at 02:06:46PM
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Amancio Hasty:
 |A cursory analysis of the interrupt status info that you send us seems to
 |indicate that you are getting excessive PCI errors.
...
 |Here is a sample output from my P100:
 |Feb 22 05:51:20 cioloco /kernel:  STATUS 0 d000206 30701c 
 |Feb 22 05:51:20 cioloco /kernel:  STATUS 0 d000a04 3077a4 
 |Feb 22 05:51:20 cioloco /kernel:  STATUS 0 d000a04 3077a4 
 |Feb 22 05:51:20 cioloco /kernel:  STATUS 0 c000206 30601c 
 |Feb 22 05:51:20 cioloco /kernel:  STATUS 0 c000206 30601c 
...
 |                                           ^^^^^^^  BKTR_INT_STAT
 |BKTR_INT_STAT is the second value in the output as you can see 
 |bit 15 is never set which means that the Bt848 is not having
 |problems accessing the host memory.

A piece of my output:
                                   STATUS 0 dc000206 100001c
                                   STATUS 0 dc000a04 1000f24
                                   STATUS 0 dd000206 2b901c
                                   STATUS 0 dd000a04 2b9f24


Bit 15?  Are some bytes swapped in the port mapping?  It looks to my like
your low-order word (bits 15->0) is the same as mine.  The differences look
like your bits 28,30, and 31 which are in the RISCS field.

I guess I might be missing something.

Randall