[mythtv] R5000 initialization failed

Alan Nisota alannisota at gmail.com
Mon Aug 4 00:26:20 UTC 2008

Michael Norton wrote:
> (I considered posting this on -users, but figured I'll have more luck
> here. If I'm in the wrong place, please say so.)
> I'm trying to use the patch from Ticket #4752 for R5000 set-top box
> support. I applied version R11 of the patch against 0.21-fixes (and
> the included USB patch against my kernel modules), but I can't even
> get the included test app (r5ktest) to work. It gives me the following
> error:
> R5000 initialization failed at stage 1:
>        Expected 1 bytes, but got -3 bytes
> R5000 failed to locate any R5000 devices.  Are you sure you have
> permissions set properly?
> R5000 was not initialized before r5000_open().  Please call r5000_init() first
> R5000 device could not be found/opened
> My R5000 hardware is quite new, so I considered that maybe there was
> something different about it that the program wasn't expecting. But
> when I usbsnooped the firmware upload from a Windows box, I ended up
> with the same firmware included with the patch, so that's ruled out. I
> don't know what to try next -- anyone?
Unfortunately 'anyone' probably means just me, and basically I won't 
have any time to work on the R5000 stuff during this summer.

a) you must get r5ktest working before trying Myth
b) start by running as root to make sure you have access to write to the 
USB port.
c) make sure you are using a USB2 port
d) while it has nothing to do with the initialization, you would need to 
specify which STB you have, since only a small set ave been tested to 
work properly.

But mostly you'll be on your own for the next couple of months.  If you 
send specific questions, I'll try to help as best I can, but I can't 
promise much.

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