[mythtv-users] HDPVR intermittent failure

DryHeat122 dryheat122 at gmail.com
Fri Jul 10 01:24:29 UTC 2020


On Thu, Jul 9, 2020, 6:18 PM John P Poet <jppoet at gmail.com> wrote:

> On Thu, Jul 9, 2020 at 7:12 PM DryHeat122 <dryheat122 at gmail.com> wrote:
>
>>
>>
>> On Thu, Jul 2, 2020, 6:00 PM DryHeat122 . <dryheat122 at gmail.com> wrote:
>>
>>>
>>>
>>> On Thu, Jul 2, 2020 at 6:53 AM Rick <rick at laity.ca> wrote:
>>>
>>>> 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.
>>>>
>>>> It crashed again.  Same result when I try to cat /dev/video0:
>>> input/output error
>>>
>>> Here is what dmesg says:
>>>
>>> steve at steve-EP45-UD3P:~$ dmesg | grep pvr
>>> [   12.937541] hdpvr 2-6:1.0: firmware version 0x14 dated May 12 2010
>>> 10:29:31
>>> [   12.937544] hdpvr 2-6:1.0: untested firmware, the driver might not
>>> work.
>>> [   13.152225] hdpvr 2-6:1.0: device now attached to video0
>>> [   13.152252] usbcore: registered new interface driver hdpvr
>>>
>>> So it seems I do not have the latest device driver.  I doubt this is the
>>> problem as it was working fine for years with the existing device driver
>>> and I've not updated anything else.  But can't hurt to try.  How to install?
>>>
>>
>> I looked into this and realized it was about firmware, which apparently
>> can't be updated without hooking up to Windows. I don't think it's worth it
>> because like I said it worked with the firmware it's got for quite some
>> time.
>>
>> I'm out of ideas. Can you guys think of anything?  I'm thinking I will
>> need to just rebuild my machine with a fresh install of the lastest Ubuntu
>> and see if that helps.  I've been getting this "system software problem
>> detected" popup a lot. Maybe that has something to do with it.
>>
>>>
> The first generation HD-PVR was extremely sensitive to the USB port it was
> plugged into. Basically did not work at all when plugged into USB3, and was
> picky about the USB2 chipset as well. The only thing you have probably not
> tried yet, is buying a USB2 add-on card to see if that helps. I don't think
> it will, but if you are desperate to keep your HD-PVR working, then that is
> the only thing I can think of.
>
> Your experience pretty much mirrors mine from a few years ago. My first
> generation HD-PVRs slowly got less and less reliable over time. That is
> what gave me the motivation to get the second generation HD-PVR working
> with Myth.
>
> John
>
I thought the HDPVR2 was not Myth compatible.  Has that changed?

>
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