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[linux-dvb] Re: Full featured DVB-T card update
On Monday 04 August 2003 13:07, Juergen Peitz wrote:
> On Monday 04 August 2003 04:50, Nils Ohlmeier wrote:
> > BTW the last few days i had a new phenomenon: the frontend looses the
> > tuning after watching a channel for maybe 20-30 minutes. First i see and
> > hear a short MPEG glitch, a few seconds later the pictures freezes. For
> > the channels on the same frequency i get no output after this. Chaning
> > the frequency forward and back again or using tzap for the same channel
> > brings back the output.
>
> Could you please post the output from tzap for this channel?
>
> Maybe you could also enable debug messages (add "dvb_frontend_debug=1" to
> "insmod dvb-core.o") and see if you get "dvb_frontend_recover" messages in
> "/var/log/messages".
Sorry, i did not found the time to test it as much as i would like. But some
short testing showed me that your last patch improves switching time and
reliability for me. Lockups are rare now, but the still happen. With
"dvb_frontend_debug=1" i get this log messages:
Aug 5 09:05:24 [kernel] dvb_frontend_internal_ioctl
Aug 5 09:05:24 [kernel] dvb_frontend_ioctl
Aug 5 09:05:25 [kernel] dvb_frontend_internal_ioctl
Aug 5 09:05:25 [kernel] dvb_frontend_ioctl
Aug 5 09:05:26 [kernel] dvb_frontend_internal_ioctl
Aug 5 09:05:26 [kernel] dvb_frontend_ioctl
- Last output repeated twice -
Aug 5 09:05:27 [kernel] dvb_bend_frequency
Aug 5 09:05:27 [kernel] dvb_frontend_ioctl
Aug 5 09:05:27 [kernel] dvb_frontend_internal_ioctl
- Last output repeated 4 times -
Aug 5 09:05:28 [kernel] dvb_frontend_ioctl
Aug 5 09:05:28 [kernel] dvb_frontend_internal_ioctl
- Last output repeated 4 times -
The ".._internal_ioctl" and "..._ioctl" occur once a second. The
"dvb_bend_frequency" appeared after switching to a frequency without output,
and the number of ioctl and internal_ioctl per second increases while i stay
on this frequency as you can see from the "output repeated" messages.
Sorry, i did not had the time to try to reproduce the "hangup during watching"
phenomenon, but i will try to do it asap.
Greetings
Nils
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