[stb-tester] libv4l2: error getting pixformat: Bad address

[Sneha Murganoor]

Hi All,

I am facing this issue again .. this time with "Vizio setup box". How to 
debug and fix this intermittent failures?
Now both Sony BD Player and Roku are working fine as stated connection 
being : Setup box to HD FURY III to HD PVR.  But when Vizio setup box is 
placed, it is failing.

I still have to work on lot of devices, is there are a good soln instead of 
this topology?

Thanks,
Sneha



On Saturday, 17 August 2013 11:48:29 UTC+5:30, Sneha Murganoor wrote:
>
> Hi David,
>
> After few power cycles of HD PVR with whole of testbed, now both setup box 
> are working fine .. Yes it is intermittent failure, let me try with kernel 
> version 3.11
>
> Thanks,
> Sneha
>
>
>
> On Fri, Aug 16, 2013 at 5:53 PM, David Röthlisberger <david at rothlis.net>wrote:
>
>> On 16 Aug 2013, at 12:49, Sneha Murganoor wrote:
>> >
>> > I am getting the below error when i connect sony bd player to HD FURY 
>> to HD PVR..
>> > but not when i connect roku set up box to HD FURY to HD PVR.
>> >
>> > libv4l2: error getting pixformat: Bad address
>>
>> Are you 100% sure that the cause of the libv4l2 error is the Roku vs.
>> the Sony player? The reason I ask is that the HDPVR has a known
>> stability problem that is very intermittent (but once the problem
>> happens, the HDPVR consistently fails until you power-cycle it).
>> See http://stb-tester.com/hardware.html
>>
>> Many people here on this mailing list and on the linuxtv and mythtv
>> mailing lists have repeatedly made wrong assumptions about what was
>> triggering the problem. The infrequent intermittent nature of the
>> problem makes it hard to collect statistically significant data, but
>> once you do, you might find that it is unrelated to the Roku
>> specifically. Unless, of course, you have *never* gotten the Roku
>> working with the HDPVR.
>>
>> Do make sure that the HD Fury's blue light is on; the HDPVR gives the
>> same libv4l2 error when it has no input video. Note that the upcoming
>> 3.11 linux kernel has a fix to the HDPVR driver so that it gives
>> different error messages for "no video" and "HDPVR crashed".
>>
>>
>
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