[mythtv] Debugging DeviceReadBuffer.cpp

Michael T. Dean mtdean at thirdcontact.com
Fri Jun 14 15:10:18 UTC 2013

On 06/14/2013 07:02 AM, Malcolm Parsons wrote:
> On 31 May 2013 18:38, Thomas Börkel wrote:
>> DevRdB(/dev/dvb/adapter2/frontend0): Poll took an unusually long time
>> 23809384 ms
> If I use a web browser while mythtv is recording an HD programme from
> my USB DVB-T2 tuner, then I often get truncated recordings and this
> Poll took an unusually long time message.

Many web browsers do terrible things to system I/O--especially when 
using a browser profile that's on a file system with barriers enabled.  
So, this or something like it is a very reasonable explanation for why 
MythTV can't read from the device.


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