Date: Sun, 23 Feb 1997 18:36:20 -0800 From: Amancio Hasty <hasty@rah.star-gate.com> To: Randall Hopper <rhh@ct.picker.com> Cc: multimedia@FreeBSD.org Subject: Re: New BT848 driver 0.2 Message-ID: <199702240236.SAA00859@rah.star-gate.com> In-Reply-To: Your message of "Sun, 23 Feb 1997 21:21:07 EST." <19970223212107.37259@ct.picker.com>
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Sorry about that .. I counted wrong.
> STATUS 0 dd000206 2b901c
> STATUS 0 dd000a04 2b9f24
The suspect in your case is ^^^^^^^
That value should be current PC address of the risc program which
the Bt848 is executing.
That value seems too low . To verify that indeed is the correct
value. In get_bktr_mem , print the value returned by vm_page_alloc_contig.
So before the "return addr", add this:
printf("get_bktr_mem %s \n", addr);
Tnks,
Amancio
>From The Desk Of Randall Hopper :
> 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
>
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