Deutsch > {Single, Dual, Quad} Sundtek SkyTV Ultimate

TS Sync byte not aligned

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therock:
Hey

i just installed my new Sundtek SkyTV Ultimate onto my xbmc linux box

with kernel Linux XBMCLive 2.6.32-26-generic #48-Ubuntu SMP Wed Nov 24 09:00:03 UTC 2010 i686 GNU/Linux

and the tone and all that is fine on normal SD channels

but when i want to watch a HD channel it gives a pixel picture and this is what i got from the log file


--- Code: ---2011-04-23 19:52:38 [851] Packetsize < 188 bytes is invalid, throwing it away and increasing corruption
2011-04-23 19:52:38 [851] THERE MUST BE A BUG WITH YOUR HARDWARE, PLEASE CHECK ISO/BULK TRANSFER MODE
2011-04-23 19:52:38 [851] Packetsize < 188 bytes is invalid, throwing it away and increasing corruption
2011-04-23 19:52:38 [851] TS Sync byte not aligned, realigning stream (752)
2011-04-23 19:52:38 [851] skipped everything ...
2011-04-23 19:52:38 [851] TS Sync byte not aligned, realigning stream (376)
2011-04-23 19:52:38 [851] TS Sync byte not aligned, realigning stream (568)
2011-04-23 19:52:38 [851] TS Sync byte not aligned, realigning stream (564)
2011-04-23 19:52:38 [851] TS Sync byte not aligned, realigning stream (756)
2011-04-23 19:52:38 [851] skipped everything ...
2011-04-23 19:52:38 [851] TS Sync byte not aligned, realigning stream (564)
2011-04-23 19:52:38 [851] TS Sync byte not aligned, realigning stream (756)
2011-04-23 19:52:38 [851] skipped everything ...
2011-04-23 19:52:38 [851] THERE MUST BE A BUG WITH YOUR HARDWARE, PLEASE CHECK ISO/BULK TRANSFER MODE
2011-04-23 19:52:38 [851] Packetsize < 188 bytes is invalid, throwing it away and increasing corruption
2011-04-23 19:52:38 [851] THERE MUST BE A BUG WITH YOUR HARDWARE, PLEASE CHECK ISO/BULK TRANSFER MODE
2011-04-23 19:52:38 [851] Packetsize < 188 bytes is invalid, throwing it away and increasing corruption
2011-04-23 19:52:38 [851] THERE MUST BE A BUG WITH YOUR HARDWARE, PLEASE CHECK ISO/BULK TRANSFER MODE
2011-04-23 19:52:38 [851] Packetsize < 188 bytes is invalid, throwing it away and increasing corruption
2011-04-23 19:52:38 [851] TS Sync byte not aligned, realigning stream (188)

--- Ende Code ---

is there anything i can do?

Sundtek:
What System do you use?

Are you using any graphic acceleration for HDTV?

Please provide some information about the CPU load (eg. screenshot of top on the console).

please note that decoding HDTV with the CPU can take a massive amount of CPU and steal it from the driver finally corrupting the datatransfer.

So far we advice to use NVidia Graphiccards for HDTV since they have mature support so far.

therock:
im on a zotac zbox id11 with a Intel Atom 1.6Ghz with nvidia ION2 with VDPAU


top - 21:14:22 up  2:49,  1 user,  load average: 0.79, 0.86, 0.72
Tasks: 132 total,   1 running, 131 sleeping,   0 stopped,   0 zombie
Cpu(s):  8.9%us,  2.7%sy,  0.0%ni, 87.5%id,  0.1%wa,  0.2%hi,  0.6%si,  0.0%st
Mem:   1024868k total,   620136k used,   404732k free,    76828k buffers
Swap:  3108260k total,        0k used,  3108260k free,   327616k cached

 2639 xbmc      20   0  138m  12m 5436 S   23  1.3   6:34.59 tvheadend
 2943 xbmc      20   0  409m 128m  41m S   20 12.8   8:05.00 xbmc.bin
  851 root      18  -2  106m 9.9m 6460 S    6  1.0  11:09.19 mediasrv
  931 root      20   0     0    0    0 S    2  0.0   2:40.16 hd-audio1
 2895 root      20   0 43172  32m 9752 S    1  3.2   0:25.65 Xorg

but yeah it looks like it can't manage the load but if i play a mkv HD movie it plays nicely

so its not that bad on cpu

Sundtek:
We're still missing the BER (Bit error rate) reporting in the driver it should be available early next week, that should help to go further with that problem.
HDTV in general is no issue normally.

therock:
okay looking forward to that...

anyway if i mount it in a very powerfull pc with the same kernel it should work with HD channels right?

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