[linux-dvb] Re: tuning problems wih dvb-kernel

[Andreas 'powARman' Regel <andreas.regel@gmx.de>]

Hi,

I did some further investigations using czap. I discovered that tuning
works exactly every second try, the next try always doesn't work:

outputs of czap tuning on channel ZDF (also tested other channels):

/usr/local/src/DVB/apps/szap # ./czap -c channels.conf -n 1
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
  1 ZDF:394000000:INVERSION_AUTO:6900000:FEC_NONE:QAM_64:110:120:28006
  1 ZDF: f 394000000, s 6900000, i 2, fec 0, qam 3, v 0x6e, a 0x78
status 00 | signal 8585 | snr b6b6 | ber 009ffff6 | unc ffffffff |
status 1f | signal ffff | snr eeee | ber 009ffff6 | unc ffffffff | FE_HAS_LOCK
status 1f | signal ffff | snr efef | ber 009ffff6 | unc 00000000 | FE_HAS_LOCK
status 1f | signal ffff | snr eded | ber 000b504a | unc 00000000 | FE_HAS_LOCK
status 1f | signal ffff | snr eeee | ber 000b504a | unc 00000000 | FE_HAS_LOCK
status 1f | signal ffff | snr eeee | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal ffff | snr eded | ber 00000000 | unc 00000000 | FE_HAS_LOCK
status 1f | signal ffff | snr eded | ber 00000000 | unc 00000000 | FE_HAS_LOCK

/usr/local/src/DVB/apps/szap # ./czap -c channels.conf -n 1
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
  1 ZDF:394000000:INVERSION_AUTO:6900000:FEC_NONE:QAM_64:110:120:28006
  1 ZDF: f 394000000, s 6900000, i 2, fec 0, qam 3, v 0x6e, a 0x78
status 00 | signal 8585 | snr b6b6 | ber 00000000 | unc ffffffff |
status 07 | signal ffff | snr eeee | ber 00000000 | unc ffffffff |
status 07 | signal ffff | snr eeee | ber 00000000 | unc ffffffff |
status 07 | signal ffff | snr eeee | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr eeee | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr eeee | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr eeee | ber 009ffff6 | unc ffffffff |
status 07 | signal ffff | snr eeee | ber 009ffff6 | unc ffffffff |




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