[mythtv-users] Hauppauge HVR-950Q: First couple minutes of recordings get garbled

[Kevin Ross]

On 3/16/2011 3:05 PM, Devin Heitmueller wrote:
> On Wed, Mar 16, 2011 at 5:57 PM, Kevin Ross<kevin at familyross.net>  wrote:
>> Greetings list,
>>
>> I have a Hauppauge 950Q USB ATSC/ClearQAM tuner, which I am using
>> strictly for clear QAM.  For the most part, it works fine.  However,
>> about 1/4 of my recordings, the first couple minutes are completely
>> garbled.  I can fast forward past it, and the rest of the recording will
>> be fine.  I can also replicate the problem in live TV, if I change
>> channels enough.  After several channel changes, it will become garbled,
>> and then after a while it will clear up.
>>
>> I'm running Debian Squeeze with a 2.6.32 kernel.  I've though about
>> getting the 2.6.37 kernel from Sid, to see if a newer driver would have
>> any effect, but wanted to ask here to see if anyone else is having this
>> problem.  I see a few people are using the 950Q, but I haven't seen
>> anyone else complaining about the problem I'm seeing.
> Hi Kevin,
>
> There haven't been any changes to the 950Q driver related to the
> digital side in many months.  Upgrading the kernel probably won't
> result in any difference for you.
>
> Do you have anything else connected to the same USB bus the 950Q is
> connected to?
>
> Devin

Hi Devin,

Yes, I have 2 HD-PVR's, although I can replicate the problem when the 
HD-PVR's are inactive (but still connected, I haven't tried 
disconnecting them).

$ lsusb
Bus 004 Device 005: ID 195d:7777 Itron Technology iONE Scorpius wireless 
keyboard
Bus 004 Device 002: ID 1784:0008 TopSeed Technology Corp. eHome Infrared 
Transceiver
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 002: ID 2040:4902 Hauppauge HD PVR
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 2040:7200 Hauppauge <--- This is the 950Q
Bus 001 Device 002: ID 2040:4902 Hauppauge HD PVR
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Do you think I should rearrange the ports things are plugged into?

Thanks!
-- Kevin