Re: cxd2820r: i2c wr failed (PCTV Nanostick 290e)

Keith Edmunds
2012-03-15T20:14:48Z

I posted the message below last week, but I've had no response.

Is this the wrong list? Did I do something wrong in my posting?

I would like fix this problem, and I have more information now, but I
don't want to clutter this list if it's the wrong place.

Guidance as to what I should do gratefully received: thanks.

> Hi List
>
> I'm having lots of problems with my PCTV Nanostick 290e under MythTV. Is
> this the best place to report these problems?
>
> I'm happy to provide whatever detail is needed, but in summary:
>
> - every day or two, I get the error messages logged below. I need to
> reboot the back end to clear them.
>
> - when the back end comes back up, 'lsusb' doesn't show the 290e. I have
> to unplug it, wait a few seconds, then plug it back in again
>
> This is extremely frustrating. When it works, it's great; when it
> doesn't, recordings fail.
>
> The following errors are reported repeatedly:
>
> Mar 9 10:02:03 woodlands kernel: [ 6006.157991] cxd2820r: i2c wr failed
> ret:-110 reg:85 len:1
> Mar 9 10:02:05 woodlands kernel: [ 6008.511994] cxd2820r: i2c wr failed
> ret:-110 reg:00 len:1
> Mar 9 10:02:08 woodlands kernel: [ 6011.208909] cxd2820r: i2c wr failed
> ret:-110 reg:85 len:1
> Mar 9 10:02:10 woodlands kernel: [ 6013.566440] cxd2820r: i2c wr failed
> ret:-110 reg:00 len:1
>
> MythTV backend details:
> - Debian v6.0.4 ("Squeeze")
> - Debian multimedia repository
> - Myth version 0.24.2-0.0squeeze1 (as packaged by repository)
> - Kernel: 2.6.32-5-686-bigmem (I've also tried 3.2.0-0.bpo.1-686-pae,
> both Debian-packaged)
> - Tuners: 2 x Hauppauge Nova-T Stick (USB) and 1 x PCTV Nanostick 290e
> (also USB)
> - no module load parameters specified
> - tuning delay 750mS for each tuner
> - drivers for the 290e built using the media_build scripts
> (http://git.linuxtv.org/media_build.git)
>
> Many thanks,
> Keith

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get what they want" - Zig Ziglar.

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