[linux-dvb] Re: Understanding (widespread) TT DVB-T crash

[Juri Haberland <juri@koschikode.com>]

Juri Haberland wrote:
> Johannes Stezenbach wrote:
>> You are confusing me. Does it tune (does tzap report FE_HAS_LOCK), or
>> doesn't it? Do you have any error messages in the kernel log
>> (dmesg or /var/log/...)?
> 
> There is nothing in the logs. Tuning *seems* to work, but the output of
> tzap doesn't change - even if you tune to a new channel.
> Whether it reports FE_HAS_LOCK I cannot say at this point but the next
> time it happens I'll double check and send a note.

Ok, it happened again (sometimes every night, sometimes not for a week or
so...).

Here is the output of three tuning attempts - nothing in the logs:

# ./tzap K33
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
tuning to 570000000 Hz
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |

# ./tzap K44
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
tuning to 658000000 Hz
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4e4e | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4e4e | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4e4e | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |

kickme szap # ./tzap K27
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
tuning to 522000000 Hz
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 5050 | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |
status 01 | signal 4f4f | snr 0000 | ber 00000000 | unc 00000000 |

Cheers,
Juri



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