[mythtv-users] Any way to tell which tuner card might be bad?

[James Pifer]

On Tue, 2010-02-09 at 21:53 -0500, James Pifer wrote:
> I have a myth system with a PVR150, 250, and 350. My system is several
> years old. For about the last month, maybe two, we've had recordings
> with consistent "bad parts" where the video will skip and sometimes
> you
> see distortion right around the skip. Watching a show this evening my
> wife was very upset!!! 
> 
> Anyway, I don't know if it's all the cards or just one or what. My
> myth
> server is an old Dell Poweredge 1600 with plenty of airflow. It's in a
> closet, but the closet has airflow and general stays at a decent temp.
> I
> just opened the server and stuck a fan next to it blowing more air on
> the tuner cards. Time will tell if that helps. 
> 
> I saw in the archives from a recent thread that someone suggestioned
> checking the heatsinks. Everything on the cards appear ok. 
> 
> Is there any way to tell what tuner recorded a specific show? I could
> try and keep track and see if it seems to be a specific one. 
> 
> Looking through the backend log and grep'ing for "Error" I found
> errors
> like:
> 
> 2010-02-08 16:01:15.791 TFW, Error: Write() -- IOBOUND end
> 2010-02-08 16:01:56.102 TFW, Error: Write() -- IOBOUND begin cnt(2048)
> free(2047)
> 2010-02-08 16:02:02.171 TFW, Error: Write() -- IOBOUND end
> 2010-02-08 21:56:27.309 TFW, Error: Write() -- IOBOUND begin cnt(2048)
> free(2047)
> 2010-02-08 21:56:47.786 TFW, Error: Write() -- IOBOUND begin cnt(2048)
> free(2047)
> 2010-02-08 21:56:58.226 TFW, Error: Write() -- IOBOUND end
> 2010-02-08 21:57:14.582 TFW, Error: Write() -- IOBOUND begin cnt(2048)
> free(2047)
> 2010-02-08 21:57:31.572 TFW, Error: Write() -- IOBOUND end
> 2010-02-08 21:57:42.683 TFW, Error: Write() -- IOBOUND end
> 2010-02-08 21:58:51.176 TFW, Error: Write() -- IOBOUND begin cnt(2048)
> free(2047)
> 2010-02-08 21:59:04.460 TFW, Error: Write() -- IOBOUND end
> 2010-02-09 16:20:48.879 MythSocket(acf135f0:-1): writeStringList:
> Error,
> socket went unconnected.
> 
> I'll have to look through the archives about tuner cards since I know
> it's discussed a lot, because my wife even said, how much is a new
> tuner
> card?.?.?. Not sure what I would get since I don't do HD and have no
> immediate plans for it.
> 

I'm going to stop shy of saying this issue is solved, but since opening
up the box last week and adding a small fan blowing more air directly
onto the three PCI tuner cards, my recording have not had any issues. 

Thanks for all the help. 

James