[mythtv-users] HDPVR intermittent failure
Jim
lists at morton.hrcoxmail.com
Thu Jul 2 12:07:36 UTC 2020
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:~$
Jim
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