[mythtv-users] HDPVR intermittent failure

[DryHeat122 .]

On Thu, Jul 2, 2020, 5:08 AM Jim <lists at morton.hrcoxmail.com> wrote:

> On 7/1/2020 9:23 PM, DryHeat122 . wrote:
> >
> > On Sun, Jun 28, 2020 at 9:32 AM Greg <gregl at nycap.rr.com
> > <mailto:gregl at nycap.rr.com>> wrote:
> >
> >
> >     On 6/27/20 9:46 PM, DryHeat122 . wrote:
> >>     On Mon, May 11, 2020 at 12:59 PM DryHeat122 .
> >>     <dryheat122 at gmail.com <mailto:dryheat122 at gmail.com>> wrote:
> >>
> >>         On Mon, May 11, 2020 at 2:41 AM Stephen Worthington
> >>         <stephen_agent at jsw.gen.nz <mailto:stephen_agent at jsw.gen.nz>>
> >>         wrote:
> >>
> >>             On Sun, 10 May 2020 20:20:30 -0700, you wrote:
> >>
> >>             >On Sun, May 10, 2020, 7:58 PM Greg <gregl at nycap.rr.com
> >>             <mailto:gregl at nycap.rr.com>> wrote:
> >>
> >>             >Ok thanks I will investigate that.  But it's been
> >>             working fine with the
> >>             >current power source for like a year now, and others on
> >>             this list use it
> >>             >too.
> >>
> >>             <snip><https://forum.mythtv.org>
> >>
> >>
> >>         Thanks for all the suggestions.  I will investigate all of
> >>         them.  Something I do not see in here is an opinion that some
> >>         software problem could have evolved.  I was kind of thinking
> >>         of that as a possibility given that it worked fine for so
> >>         long then seems to be degrading.  OTOH I never thought of the
> >>         possibility that the USB connection could be degrading.  I'm
> >>         going to try Greg's connector, assuming I can get parts
> >>         during the Apocalypse.  Also, his link specifies Radio Shack
> >>         parts.  What's Radio Shack?!? ;-)
> >>
> >>
> >>     Well folks this is getting frustrating.  I addressed a possible
> >>     ventilation issue.  I also unplugged the power cord I had from
> >>     the Myth box USB and connected it to an old iPad charger rated at
> >>     5V/2A.  No help.  It wouldn't record anything, no matter how much
> >>     rebooting and power-cycling. So I concluded the HDPVR was hosed
> >>     and got a new one (more accurately, a replacement circuit board
> >>     for it).  Powered it with the same wall wart. Recorded great for
> >>     a day.  Just turned it on and I have failed recordings and it
> >>     won't respond when I try to manually play a channel.  Reboot, and
> >>     it works fine, same pattern as before.
> >>
> >>     I finally got a molex connector and am still going to try what
> >>     Greg suggested, but I really don't think it's a power issue.
> >>     Apply makes good electronics and that wart has the same specs as
> >>     the power supply that comes with the HDPVR.  The HDPCR isn't
> >>     overheating.  It's not the HDPVR itself.  That only leaves the
> >>     software on the myth box.  Anyone have ideas how to troubleshoot
> >>     that?
> >>
> >>
> >      The next time it won't record,try to cat it and see if it
> >     responds.  This is the command I use,  cat /dev/video0 > test ..
> >     dmesg for the proper port it's connected to. This may help too see
> >     if it is the software or not..
> >
> >     I am curious were you got the motherboard? There used to be a
> >     place in Ohio (I believe) ,but they have gone out of business.
> >
> > It failed again (despite putting the conf file in place).  Here's the
> > result:
> >
> > steve at steve-EP45-UD3P:~$ cat /dev/video0 > test.ts
> > cat: /dev/video0: Input/output error
> >
> > I don't know how to "dmesg for the proper port it's connected to."  I
> > think it's just connected to a USB port, but I don't know how to find
> > out which one. Can you be more specific?
> >
> >
> This works on my system
>
> dmesg | grep pvr
> [    6.231302] hdpvr 2-2:1.0: firmware version 0x15 dated Jun 17 2010
> 09:26:53
> [    6.452748] hdpvr 2-2:1.0: device now attached to video0
> [    6.452844] usbcore: registered new interface driver hdpvr
> docbuntu:~$
>

Ok next time it crashes I will try that.

>
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