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VDR and Kaffeine Discussion, Ubuntu 11.04 + sasc-ng dvbloopback at Sharing receivers forum; it looks like there is no solution for 2.6.38 (outside of archlinux) FYI: I was able to compile but the ...

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XabiX
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25-July-2011, 15:56

it looks like there is no solution for 2.6.38 (outside of archlinux)

FYI: I was able to compile but the softcam card is not recongnized under Myth

(25-July-2011 18:25)
Any news?

I followed this but for some reason MythTV doesn't recognized the virtual card and therefore even if the sasc compiles it s not usable.

Thanks

Last edited by XabiX; 25-July-2011 at 17:25.. Reason: Automerged Doublepost
   
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Ubuntu / 2.6.38 success
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yacss
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Ubuntu / 2.6.38 success - 02-August-2011, 15:14

I've just gotten first positive results on my Ubuntu 11.04 / 2.6.38-10 system using the guide from janp (http://www.eurocardsharing.com/f273/...pback-348184#6).

Got successfull decode of three concurrent streams via budget DVB-S2 cards (TT S2 -1600) using local CCcamd w/ smartcard in smargo smartreader.

virtual cards work in mythtv.
   
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make that "partial success"
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yacss
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make that "partial success" - 04-August-2011, 10:08

Well.. define "success"
while it does work, I get glitches every couple of minutes. Card is a german sky card (irdeto), ECM times 0.608 - 0.715.
the only obvious indication of something wrong I get from my logs is sasc-ng frequently reporting "CAM(general.error): action logger 0/1 read: Buffer overflow" - more frequently than the glitches I see in the recordings.

So, I'd really like to know:
* anyone out there sucessfully running a myth/sasc-ng combination with german sky? if so: what versions are involved (kernel, sasc-ng, myth)
* what dvb hardware are you using
* parameters for sasc-ng
* are the sasc-ng buffer overflow messages normal/to be expected?

thanks for any help.
   
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actually useable now
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actually useable now - 17-August-2011, 13:43

Just a little update: I've now got a configuration that's actually useable, i.e no more glitches.

I've made a couple of changes to my configuration:

* instead of one sasc-ng process for all cards I've now got a seperate sasc-ng process (connecting as a seperate user) for each card.
Two reasons for that: I've found sasc-ng to show fewer problems when handling just a single card and I can configure just one card to send EMMs back to the server (instead of getting emms from all three cards).

Code:
/usr/local/bin/sasc-ng -j 0:5 --cam-budget --cam-dir /var/etc/sc1 -p 5456 --daemon
/usr/local/bin/sasc-ng -j 1:6 --cam-budget --cam-dir /var/etc/sc2 -p 5457 --daemon
/usr/local/bin/sasc-ng -j 2:7 --cam-budget --cam-dir /var/etc/sc3 -p 5458 --daemon
* switched the sky S02 Card for a V13 Card
* switched to oscam as card server instead of CCcamd, mostly because I want to add a 2nd Reader/Card (HD+)

Downside of these changes is that the V13 card can't seem to handle more than ~4 concurrent clients. since I only want to use 4 local DVBS2 cards as clients anyway, that's not a real issue for me.

One strange effect I observed with the V13 card: I'd see huge amounts of "unknown EMM" error messages / errors in oscam. huge as in ~1000/10min. I've now added a check for these emms in sasc-ng to avoid sending them to the card server before dropping them. looks good so far, regular EMMs still seem to be comming through.
   
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walters123
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24-August-2011, 14:27

Quote:
Originally Posted by yacss View Post
JI've found sasc-ng to show fewer problems when handling just a single card and I can configure just one card to send EMMs back to the server (instead of getting emms from all three cards).

Code:
/usr/local/bin/sasc-ng -j 0:5 --cam-budget --cam-dir /var/etc/sc1 -p 5456 --daemon
/usr/local/bin/sasc-ng -j 1:6 --cam-budget --cam-dir /var/etc/sc2 -p 5457 --daemon
/usr/local/bin/sasc-ng -j 2:7 --cam-budget --cam-dir /var/etc/sc3 -p 5458 --daemon
hi yaccs,

any specific reason why you used different cam-dir folders? Was it also unstable using the same folder?

Walter
   
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yacss
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29-August-2011, 14:28

Quote:
Originally Posted by walters123 View Post
any specific reason why you used different cam-dir folders? Walter
Yes: the cardclient.conf file is found in cam-dir, and I'm using different files for each card:
Code:
sc1/cardclient.conf:
cccam2:127.0.0.1:12000:1:mythtv1:NotMyPassword1:NODEID=67c6697351ff4a01
sc2/cardclient.conf:
cccam2:127.0.0.1:12000:1:mythtv2:NotMyPassword2:NODEID=67c6697351ff4a02
sc3/cardclient.conf:cccam2:127.0.0.1:12000:1:NotMyPassword3:mythtv:NODEID=67c6697351ff4a03
so each card has its own user (and node) ID. with this setup I can have oscam configured to request/accept EMMs from just one of the cards. Also, having seperate users for the cards makes the status display on the cardserver side much more usable.
   
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walters123
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26-September-2011, 16:13

Using the instruction on http://dolot.kipdola.com/wiki/Instal..._and_compiling, sasc-ng now compiles and installs without any issue; no patches needed anymore for 2.6.38.
Looking at the change history of http://85.17.209.13:6100/sc the 2.6.38 fixes are now included.

Walter
   
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02-October-2011, 08:49

I'm also trying to get this setup running (Ubuntu server 11.04, 2.6.38-11 kernel).

Quote:
Originally Posted by walters123 View Post
Using the instruction on http://dolot.kipdola.com/wiki/Instal..._and_compiling, sasc-ng now compiles and installs without any issue;
Yes, that's correct. However, when I try to access the dvbloopback devices, something appears to be hanging (mythtv setup is just not reacting anymore). I googled around quite a bit already, and it seems that the mutex patch might still be required?

@walter123, yacss: Are you using this patch? If so, how did you get it in? In the how-to for Ubuntu I found (http://svanstrom.nu/category/linux/), the command to get the kernel source is not working.

Last edited by nerd_n_new; 02-October-2011 at 08:59..
   
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yacss
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05-October-2011, 15:09

Quote:
Originally Posted by nerd_n_new View Post
@walter123, yacss: Are you using this patch? If so, how did you get it in? In the how-to for Ubuntu I found (http://svanstrom.nu/category/linux/), the command to get the kernel source is not working.
Yes the mutex patch is definitely still required. I'm running two systems with this setup, both with patched dvbdev.c
I agree that patching & rebuilding the Ubuntu Kernel is a real PITA, so I did nomething different: one system has two TBS6981 cards, which need their own DVB drivers and on the other system I'm using the DVB drivers from current development tree, see http://linuxtv.org/wiki/index.php/Ho...Device_Drivers.
For both that means that I have a seperate directory with dvb drivers, the mutex patch needs to be applied to that directory before building and installing the dvb drivers. sasc-ng needs to be configured using this directory (./configure --dvb-dir=/usr/src/media_build/linux).
   
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ister
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20-October-2011, 09:17

http://85.17.209.13:6100/sc seems to be not working. Access using browser returns "internal server error" and
hg clone http://85.17.209.13:6100/sc
fails.

Any idea if it has moved or it is down for admin purposes?
   
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