Nouveau - Dec 2014 - demmio

On 02.12.2014 14:40, Ilia Mirkin wrote:
> On Tue, Dec 2, 2014 at 8:38 AM, poma <pomidorabelisima at gmail.com>
wrote:
>> Is this expected result for Chipset: G98 (NV98)?
> 
> Yep, 100% expected. [Perhaps you might glance at the wiki page you got
> that from for clues as to why.]
> 
  "You basically never need to do the mmiotrace, unless you're a
nouveau developer."?

I did everything by the book[1].
Though I don't need this, I still wanted to see how it works with
'nouveau.config=NvGrUseFW=1'.
Bummer.


[1] https://wiki.ubuntu.com/X/MMIOTracing

>>
>> $ modinfo nvidia -F version
>> 304.123
>>
>> $ stat -c %s mmiotrace.log
>> 134659197
>>
>> $ file mmiotrace.log
>> mmiotrace.log: ASCII text
>>
>> $ grep -i lost mmiotrace.log ; echo $?
>> 1
>>
>> $ ./envytools/rnn/demmio -f mmiotrace.log | perl -e 'open($fh409c,
">fuc409c"); open($fh409d, ">fuc409d"); open($fh41ac,
">fuc41ac"); open($fh41ad, ">fuc41ad");%m =
("0x409184" => $fh409c, "0x4091c4" => $fh409d,
"0x41a184" => $fh41ac, "0x41a1c4" => $fh41ad);while
(<>) { exit if (/0x409840/); next if (!/W (0x4(?:09|1a)1[c8]4) .* <=
(?:.*0x)?(.*)/); print { $m{$1} } pack "I", hex($2);}'
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>> I don't know which chipset variant to use!
>>
>> $ file fuc4*
>> fuc409c: empty
>> fuc409d: empty
>> fuc41ac: empty
>> fuc41ad: empty
>>
>>
>> Ref.
>> http://nouveau.freedesktop.org/wiki/NVC0_Firmware
>> _______________________________________________
>> Nouveau mailing list
>> Nouveau at lists.freedesktop.org
>> http://lists.freedesktop.org/mailman/listinfo/nouveau

On Tue, Dec 2, 2014 at 8:50 AM, poma <pomidorabelisima at gmail.com>
wrote:
> On 02.12.2014 14:40, Ilia Mirkin wrote:
>> On Tue, Dec 2, 2014 at 8:38 AM, poma <pomidorabelisima at
gmail.com> wrote:
>>> Is this expected result for Chipset: G98 (NV98)?
>>
>> Yep, 100% expected. [Perhaps you might glance at the wiki page you got
>> that from for clues as to why.]
>>
>
>   "You basically never need to do the mmiotrace, unless you're a
nouveau developer."?
>
> I did everything by the book[1].
> Though I don't need this, I still wanted to see how it works with
'nouveau.config=NvGrUseFW=1'.
> Bummer.
You don't just not need it -- you can't possibly use it. Context
switching firmware of this sort only exists on nvc0+ (fermi and
newer). As the page you got the instructions from suggests
(NVC0_Firmware).

  -ilia

On 02.12.2014 14:52, Ilia Mirkin wrote:
> On Tue, Dec 2, 2014 at 8:50 AM, poma <pomidorabelisima at gmail.com>
wrote:
>> On 02.12.2014 14:40, Ilia Mirkin wrote:
>>> On Tue, Dec 2, 2014 at 8:38 AM, poma <pomidorabelisima at
gmail.com> wrote:
>>>> Is this expected result for Chipset: G98 (NV98)?
>>>
>>> Yep, 100% expected. [Perhaps you might glance at the wiki page you
got
>>> that from for clues as to why.]
>>>
>>
>>   "You basically never need to do the mmiotrace, unless you're
a nouveau developer."?
>>
>> I did everything by the book[1].
>> Though I don't need this, I still wanted to see how it works with
'nouveau.config=NvGrUseFW=1'.
>> Bummer.
> 
> You don't just not need it -- you can't possibly use it. Context
> switching firmware of this sort only exists on nvc0+ (fermi and
> newer). As the page you got the instructions from suggests
> (NVC0_Firmware).
> 
>   -ilia
> 
AHA! Maxwell and Maxwell only.
Bummer.