Looks like fixed by linux 2.6.33 just in time, BIG Thank You guys ;-)
Even at higher BER:
Current parameters:
Frequency: 1945.320 MHz
Inversion: OFF
Symbol rate: 22.000154 MSym/s
FEC: FEC 5/6
cycle: 1 d_time: 0.001 s Sig: 18504 SNR: 39578 BER: 168 UBLK: 0 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]
cycle: 2 d_time: 0.073 s Sig: 18247 SNR: 39578 BER: 225 UBLK: 0 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]
cycle: 3 d_time: 0.079 s Sig: 18504 SNR: 37779 BER: 140 UBLK: 0 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]
cycle: 4 d_time: 0.072 s Sig: 18504 SNR: 39835 BER: 198 UBLK: 0 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]
cycle: 5 d_time: 0.071 s Sig: 18504 SNR: 39835 BER: 221 UBLK: 0 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]
cycle: 6 d_time: 0.072 s Sig: 18247 SNR: 39578 BER: 249 UBLK: 0 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]
cycle: 7 d_time: 0.072 s Sig: 18504 SNR: 39835 BER: 191 UBLK: 0 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]
cycle: 8 d_time: 0.072 s Sig: 18504 SNR: 39578 BER: 185 UBLK: 0 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]
cycle: 9 d_time: 0.072 s Sig: 18761 SNR: 39578 BER: 137 UBLK: 0 Stat: 0x1f [SIG CARR VIT SYNC LOCK ]
I'll report if issue reoccurs and try to finetune crystal based tuner/demod parameters, then.
y
tom
thomas schorpp wrote:
Hi,
Issue is already confirmed here:
http://www.vdr-portal.de/board/thread.php?threadid=93268
Linux 2.6.32.8, 80cm dish.
Do we have any Tuner/Decoder optimization points in the FE code?
This is not OK:
lspci -s 00:08.0 -v 00:08.0 Multimedia controller: Philips
Semiconductors SAA7134/SAA7135HL Video Broadcast Decoder (rev 01)
Subsystem: Creatix Polymedia GmbH Device 0005 Flags: bus master, medium
devsel, latency 32, IRQ 19 Memory at fbeff400 (32-bit, non-prefetchable)
[size=1K] Capabilities: [40] Power Management version 1 Kernel driver in
use: saa7134
grep cTS2PES /var/log/syslog
Feb 26 13:46:59 tom1 vdr: [4082] cTS2PES got 7 TS errors, 113 TS
continuity errors
Feb 26 13:46:59 tom1 vdr: [4082] cTS2PES got 0 TS errors, 29 TS
continuity errors
Feb 26 13:47:52 tom1 vdr: [4082] cTS2PES got 17 TS errors, 5 TS
continuity errors
Feb 26 14:03:03 tom1 vdr: [4082] cTS2PES got 2 TS errors, 136 TS
continuity errors
Feb 26 14:03:03 tom1 vdr: [4082] cTS2PES got 0 TS errors, 32 TS
continuity errors
Feb 26 14:41:42 tom1 vdr: [4082] cTS2PES got 1 TS errors, 853 TS
continuity errors
Feb 26 14:41:42 tom1 vdr: [4082] cTS2PES got 0 TS errors, 194 TS
continuity errors
Feb 26 14:52:58 tom1 vdr: [4082] cTS2PES got 2 TS errors, 196 TS
continuity errors
Feb 26 14:52:58 tom1 vdr: [4082] cTS2PES got 0 TS errors, 52 TS
continuity errors
Feb 26 14:59:34 tom1 vdr: [4082] cTS2PES got 0 TS errors, 137 TS
continuity errors
Feb 26 14:59:34 tom1 vdr: [4082] cTS2PES got 0 TS errors, 43 TS
continuity errors
Feb 26 14:59:34 tom1 vdr: [4082] cTS2PES got 0 TS errors, 16 TS
continuity errors
Feb 26 14:59:34 tom1 vdr: [4082] cTS2PES got 0 TS errors, 57 TS
continuity errors
Feb 26 14:59:54 tom1 vdr: [4082] cTS2PES got 0 TS errors, 3 TS
continuity errors
Feb 26 14:59:54 tom1 vdr: [4082] cTS2PES got 0 TS errors, 2 TS
continuity errors
dvbsnoop -s feinfo -adapter 2
Current parameters:
Frequency: 1236.253 MHz
Inversion: OFF
Symbol rate: 31.794142 MSym/s
FEC: FEC 3/4
dvbsnoop -s signal -adapter 2
cycle: 1 d_time: 0.001 s Sig: 26471 SNR: 49858 BER: 0 UBLK: 0 Stat: 0x1f
[SIG CARR VIT SYNC LOCK ]
cycle: 2 d_time: 0.072 s Sig: 26471 SNR: 50115 BER: 0 UBLK: 0 Stat: 0x1f
[SIG CARR VIT SYNC LOCK ]
cycle: 3 d_time: 0.072 s Sig: 26728 SNR: 50115 BER: 0 UBLK: 0 Stat: 0x1f
[SIG CARR VIT SYNC LOCK ]
cycle: 4 d_time: 0.088 s Sig: 26728 SNR: 50115 BER: 0 UBLK: 0 Stat: 0x1f
[SIG CARR VIT SYNC LOCK ]
cycle: 5 d_time: 0.072 s Sig: 26471 SNR: 50115 BER: 0 UBLK: 0 Stat: 0x1f
[SIG CARR VIT SYNC LOCK ]
cycle: 6 d_time: 0.072 s Sig: 26471 SNR: 50115 BER: 0 UBLK: 0 Stat: 0x1f
[SIG CARR VIT SYNC LOCK ]
cycle: 7 d_time: 0.072 s Sig: 26471 SNR: 50115 BER: 0 UBLK: 0 Stat: 0x1f
[SIG CARR VIT SYNC LOCK ]
cycle: 8 d_time: 0.072 s Sig: 26471 SNR: 50115 BER: 0 UBLK: 0 Stat: 0x1f
[SIG CARR VIT SYNC LOCK ]
Low signal strength values are AGC-loop misinterpretation as usual?
y
tom
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