Hi, On Saturday 20 November 2010 16:52:34 Robert Longbottom wrote: > Hi all, > > I have a Satix-S2 Dual that I'm trying to get to work properly so that I > can use it under MythTv however I'm running into a few issues. I > previously posted about the problems I'm having here to the mythtv > list[1], but didn't really get anywhere. I've had chance to have a bit > more of a play and I now seem to have a definite repeatable problem. > > The problem is when a recording stops on one of the inputs, after about > 40s it causes the other input to loose it's signal lock and stop the > recording as well. > > > Steps to demonstrate the problem (My Satix card is adapters 5 and 6) > > In 3 seperate terminals set up femon/szap/cat to make a recording from > one of the inputs: > > 1 - femon -a 6 -f 0 -H > 2 - szap -a 6 -f 0 -d 0 -r -H -p -c scanResult07Oct2010_Satix -l > UNIVERSAL "BBC 1 London" > 3 - cat /dev/dvb/adapter6/dvr0 > ad6.mpg > > In 2 seperate terminals tune in the other input: > > 4 - femon -a 5 -f 0 -H > 5 - szap -a 5 -f 0 -d 0 -r -H -p -c scanResult07Oct2010_Satix -l > UNIVERSAL "ITV1 London" > > Both inputs are fine, signal is good, recording from adapter 6 works. > > 6 - Ctrl-C the szap process created in (5). > > femon in (4) still reports status=SCVYL and decent signal strengh as if > the adapter is still tuned and FE_HAS_LOCK. After approximately 40 > seconds, either: > > a) the signal drops significantly but the status remains at SCVYL and > FE_HAS_LOCK > > or > > b) the signal drops and the status goes blank with no lock. > > It doesn't seem to matter which of these two happen, but at the same > time the recording on the other tuner looses it signal and stops > recording, despite the fact that szap is still running in (2). femon in > (1) no longer reports FE_HAS_LOCK. > > Strangely if I then try to restart the szap process created in terminal > 2 (to try and retune it) it just waits after printing out "using > '/dev/dvb/....". However if I then restart the szap process in terminal > 5, the one in terminal 2 suddenly kicks in and gets a lock. > > Interestingly I found a link describing a 60s period the card is kept > open for [2], which seems to be similar to my ~40s delay. So it looks > like when the second input on the card is closed the first input looses > it's lock. > > This obviously makes it pretty useless for MythTv and as a result it's > not currently being used, which is a shame! > > I'm using the ngene driver from the stock 2.6.35.4 kernel on Gentoo. > > Does anyone else see this problem? Is there anything I can do to try > and fix / debug it? Are there any bug fixes in the latest kernel that > might help, or in the linux-dvb drivers that would help? > > Any help or advice much appreciated. Please try this driver: http://linuxtv.org/hg/~endriss/ngene-test2 CU Oliver -- ---------------------------------------------------------------- VDR Remote Plugin 0.4.0: http://www.escape-edv.de/endriss/vdr/ 4 MByte Mod: http://www.escape-edv.de/endriss/dvb-mem-mod/ Full-TS Mod: http://www.escape-edv.de/endriss/dvb-full-ts-mod/ ---------------------------------------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
