[mythtv-users] HDPVR intermittent failure

Rick rick at laity.ca
Thu Jul 2 13:53:15 UTC 2020


On 7/2/2020 10:35 AM, DryHeat122 . wrote:
> 
> 
> On Thu, Jul 2, 2020, 5:08 AM Jim <lists at morton.hrcoxmail.com 
> <mailto: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>
>      > <mailto: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>
>     <mailto: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> <mailto: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>
>      >>             <mailto: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.
> 
>

I think the latest firmware is 0x1e from 2012. Probably won't make a 
difference though but you never know.

Rick


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