[mythtv-users] How to tell if HD PVR is still working?

[glen]

On Mon, 2017-01-16 at 16:12 -0800, Paul Stillwell wrote:
> > On Jan 16, 2017, at 3:57 PM, glenb at glenb.us wrote:
> > 
> >  
> >  
> > From: Paul Stillwell
> > Sent: Monday, January 16, 2017 3:52 PM
> > To: Discussion about MythTV
> > Subject: [mythtv-users] How to tell if HD PVR is still working?
> >  
> > Hi,
> >  
> > My OS hard drive failed so I put a new drive in an installed fedora
> > on it. After I installed mythtv (which was working perfectly prior
> > to the OS disk failing) and restored from my backup db files I
> > noticed that the HD PVR doesn’t seem to be working. I don’t get a
> > /dev/video0 and I noticed that it isn’t showing up in the lsusb
> > output (which I think it should).
> >  
> > Is there any way to tell if it has stopped working? The power is
> > on, I have tried multiple USB ports and it still doesn’t show up.
> > It is many years old, so it could have died but it’s hard to tell.
> >  
> > Thanks for any help!
> >  
> > Paul
> > _______________________________________________
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> >  
> >  
> > You might try something like: dmesg | grep hdpvr
> >  
> > The output will tell you if the driver loaded at boot, if it is
> > there you will see something about hdpvr and firmware date.
> >  
> > Then do at cat /dev/video0 > test.ps and see if you get a file
> > recording (use whatever device is shown by dmesg if not video0).
> > Use Ctrl C to stop the test. There may be other ways also. But if
> > those work and you get a file look to setup in myth
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> 
> I can’t even get a /dev/video0. :(
> 
> Something I just noticed is that when I plug the USB cable for the HD
> PVR in to my linux machine I get the following output from demise:
> 
> [ 2238.817081] usb 8-2: new full-speed USB device number 5 using
> uhci_hcd
> [ 2239.225098] usb 8-2: device not accepting address 5, error -71
> [ 2239.225116] usb usb8-port2: unable to enumerate USB device
> 
> That seems to indicate that the device is having a problem, but I’m
> not an expert in this area.
> 
> When I mod probe hdpvr I get this in dmesg:
> 
> [   65.563736] media: Linux media interface: v0.10
> [   65.574350] Linux video capture interface: v2.00
> [   65.579441] usbcore: registered new interface driver hdpvr
> 
> I don’t see anything about the hdpvr or firmware info.
> 
> Paul
> 
> 
> 
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it looks like hdpvr not initializing from your dmesg. i get this and i
have to fiddle with the power supply, plug it in and out a few times.
but these are known to have issues with power supplies. plug it in and
out make sure power light is on and then run dmesg and look at the last
lines and see if it gets picked up.
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