[linux-dvb] Hauppauge WinTV Nova-S-Plus - multiple read accesses impossible

Simon Santoro simon.santoro at gmail.com
Fri Jul 27 19:08:14 CEST 2007


On Friday 27 July 2007 18:09:01 Fabian Förg wrote:
> Fabian Förg wrote:
> > Hello,
> >
> > in newer kernel releases multiple read accesses on the Hauppauge WinTV
> > Nova-S-Plus are impossible.
> > Thus, the command line femon is for example unable to open the DVB
> > device when VDR is running:
> >
> > $ fuser -v /dev/dvb/adapter0/frontend0
> >
> >                    USER        PID ACCESS COMMAND
> > /dev/dvb/adapter0/frontend0:
> >                    myuser     5073 F.... vdr
> >
> > $ femon
> > using '/dev/dvb/adapter0/frontend0'
> > opening frontend failed: Device or resource busy
> >
> > I encounterd this issue with kernel 2.6.22.1 and the current Ubuntu
> > feisty kernel (2.6.20.x).
> > Older kernels allowed multiple accesses. However, I can't test which
> > ones, because I replaced
> > my system board some time ago, and older kernels don't contain the
> > necessary drivers for the board.
> >
> > Greets,
> > Fabian
>
> Today I tested it with the newest v4l-sources - also no multiple read
> accesses possible.
> Any suggestions?

I don't know if this ever worked, but just to help you a bit, I tested it on 
my 2.6.20 kernel, and I get the same.

root at black:/home/mythtv# fuser /dev/dvb/adapter0/frontend0
/dev/dvb/adapter0/frontend0:  5266
root at black:/home/mythtv# femon
using '/dev/dvb/adapter0/frontend0'
opening frontend failed: Device or resource busy
root at black:/home/mythtv#



More information about the linux-dvb mailing list