[mythtv-users] firewire issues

[Gabe Rubin]

On Fri, Jan 22, 2010 at 3:15 PM, Jarod Wilson <jarod at wilsonet.com> wrote:
> On Fri, Jan 22, 2010 at 6:12 PM, Gabe Rubin <gaberubin at gmail.com> wrote:
>> On Fri, Jan 22, 2010 at 3:08 PM, Jarod Wilson <jarod at wilsonet.com> wrote:
>>> On Fri, Jan 22, 2010 at 6:03 PM, Gabe Rubin <gaberubin at gmail.com> wrote:
>>>> I am having issues with reliability from firewire captures these days
>>>> running fedora 12.
>>>>
>>>> I looked in dmesg and have the following line spammed for a bunch of it:
>>>>
>>>> "firewire_core: Unsolicited response (source ffc0, tlabel 3c)"  The
>>>> portion after tlabel varies.
>>>
>>> I believe that means the cable box is still sending data after the
>>> host has said 'please stop'.
>>>
>>>> Any idea what could be going on here?
>>>
>>> Maybe. Is that a DCT-6200 cable box? The upstream firewire maintainer
>>> mentioned a DCT-6200-specific quirk to me on irc today, which needed a
>>> work-around in the driver added...
>>>
>>
>> It is a DCT-6200 (or some close variant to that).
>
> Aha!
>
>> I have not had
>> these type of reliability issues in quite some time (only the
>> occasional missed recording), so unsure why it is all of a sudden
>> popping up.
>
> Could be that the problem wasn't triggered until a recent change in
> the firewire driver, as its still evolving (though quite stable and
> feature-complete now).
>
> I'll follow up with Stefan Richter about this one, haven't actually
> looked at the fix yet... (actually not even sure if its been written
> yet).
>

Should I revert to an older kernel (with presumably an older driver)?
I know at one point I had to blacklist some firewire stuff because of
the new stack and I know that you have said that the new stack should
be stable.  I can dig through my old emails to see what I did to
blacklist and determine if it still is (that was a long time ago and
perhaps my upgrade to Fedora 12 did away with the blacklisting;
however, I did not affirmatively do anything on that).  Should I check
into that?