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Maximum amount of /dev/dvb devices in MOI+

Re: Maximum amount of /dev/dvb devices in MOI+

Postby updatelee » Thu Nov 12, 2015 12:26 pm

Sounds more like a ui issue if they show up in dmesg. I have 18 tuners in my Linux box no problem ;)

UDL
TBS6925/5980, Prof 7301/7500/8000, Genpix Skywalker-1, Skystar 2 Express HD
Hauppauge 950Q, Kworld 330U/435v3/445v3
Dreambox 800

I use Linux and support open source projects.
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Re: Maximum amount of /dev/dvb devices in MOI+

Postby costan » Sat Nov 14, 2015 6:13 am

Did you manage to try it?

Moreover, where did you find the PCIe splitter? I'm curious if I can do the same with mine (already hosting a 4xDVB-T receiver).
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Re: Maximum amount of /dev/dvb devices in MOI+

Postby joshi » Tue Nov 17, 2015 1:54 am

Not yet, unfortunately. As for splitter ( http://www.microsatacables.com/pci-e-ex ... h-usb-3-0/ ) it works fine on PC with 4 TBS6904 (16 total transponders), I was just curious, if I could manage the same with cheaper MOI+.
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Re: Maximum amount of /dev/dvb devices in MOI+

Postby joshi » Thu Nov 19, 2015 2:14 am

Well, I installed 1 6984 and one 6991SE, which should show 6 adapters total, and here we are:

Code: Select All Code
[root@moi /]# dmesg|grep dvb
DVB: registering new adapter (SAA716x dvb adapter)
DVB: registering new adapter (SAA716x dvb adapter)
DVB: registering new adapter (SAA716x dvb adapter)
DVB: registering new adapter (SAA716x dvb adapter)
DVB: registering new adapter (SAA716x dvb adapter)
DVB: registering new adapter (SAA716x dvb adapter)

[root@moi /]# ls /dev/dvb/ -la
drwxr-xr-x    1 root     root          2048 Sep 23 01:02 .
drwxr-xr-x    1 root     root          2048 Sep 23 01:02 ..
drwxr-xr-x    1 root     root          2048 Jun 21 04:55 adapter0
drwxr-xr-x    1 root     root          2048 Jun 21 04:55 adapter1
drwxr-xr-x    1 root     root          2048 Sep 23 01:02 adapter2
drwxr-xr-x    1 root     root          2048 Sep 23 01:02 adapter3

[root@moi /]# ls -la /dev/dvb?.*
crw-rw----    1 root     root      212,   6 May  8 19:20 /dev/dvb0.ca0
crw-rw----    1 root     root      212,   4 May  8 19:20 /dev/dvb0.demux0
crw-rw----    1 root     root      212,   5 May  8 19:20 /dev/dvb0.dvr0
crw-rw----    1 root     root      212,   3 May  8 19:20 /dev/dvb0.frontend0
crw-rw----    1 root     root      212,   7 May  8 19:20 /dev/dvb0.net0
crw-rw----    1 root     root      212,  70 May  8 19:20 /dev/dvb1.ca0
crw-rw----    1 root     root      212,  68 May  8 19:20 /dev/dvb1.demux0
crw-rw----    1 root     root      212,  69 May  8 19:20 /dev/dvb1.dvr0
crw-rw----    1 root     root      212,  67 May  8 19:20 /dev/dvb1.frontend0
crw-rw----    1 root     root      212,  71 May  8 19:20 /dev/dvb1.net0
crw-rw----    1 root     root      212, 134 Jun 16 15:21 /dev/dvb2.ca0
crw-rw----    1 root     root      212, 132 Jun 15 23:07 /dev/dvb2.demux0
crw-rw----    1 root     root      212, 133 Jun 15 23:07 /dev/dvb2.dvr0
crw-rw----    1 root     root      212, 131 Jun 15 23:07 /dev/dvb2.frontend0
crw-rw----    1 root     root      212, 135 Jun 15 23:07 /dev/dvb2.net0
crw-rw----    1 root     root      212, 198 Jun 16 15:21 /dev/dvb3.ca0
crw-rw----    1 root     root      212, 196 Jun 15 23:07 /dev/dvb3.demux0
crw-rw----    1 root     root      212, 197 Jun 15 23:07 /dev/dvb3.dvr0
crw-rw----    1 root     root      212, 195 Jun 15 23:07 /dev/dvb3.frontend0
crw-rw----    1 root     root      212, 199 Jun 15 23:07 /dev/dvb3.net0
crw-rw----    1 root     root      213,   6 Sep 23 01:02 /dev/dvb4.ca0
crw-rw----    1 root     root      213,   4 Jun 15 23:07 /dev/dvb4.demux0
crw-rw----    1 root     root      213,   5 Jun 15 23:07 /dev/dvb4.dvr0
crw-rw----    1 root     root      213,   3 Jun 15 23:07 /dev/dvb4.frontend0
crw-rw----    1 root     root      213,   7 Jun 15 23:07 /dev/dvb4.net0
crw-rw----    1 root     root      213,  70 Sep 23 01:02 /dev/dvb5.ca0
crw-rw----    1 root     root      213,  68 Jun 15 23:07 /dev/dvb5.demux0
crw-rw----    1 root     root      213,  69 Jun 15 23:07 /dev/dvb5.dvr0
crw-rw----    1 root     root      213,  67 Jun 15 23:07 /dev/dvb5.frontend0
crw-rw----    1 root     root      213,  71 Jun 15 23:07 /dev/dvb5.net0
crw-rw----    1 root     root      213, 134 Jun 16 07:13 /dev/dvb6.ca0
crw-rw----    1 root     root      213, 132 Jun 16 07:13 /dev/dvb6.demux0
crw-rw----    1 root     root      213, 133 Jun 16 07:13 /dev/dvb6.dvr0
crw-rw----    1 root     root      213, 131 Jun 16 07:13 /dev/dvb6.frontend0
crw-rw----    1 root     root      213, 135 Jun 16 07:13 /dev/dvb6.net0
crw-rw----    1 root     root      213, 198 Jun 16 07:13 /dev/dvb7.ca0
crw-rw----    1 root     root      213, 196 Jun 16 07:13 /dev/dvb7.demux0
crw-rw----    1 root     root      213, 197 Jun 16 07:13 /dev/dvb7.dvr0
crw-rw----    1 root     root      213, 195 Jun 16 07:13 /dev/dvb7.frontend0
crw-rw----    1 root     root      213, 199 Jun 16 07:13 /dev/dvb7.net0


I think, that ls -la /dev/dvb?.* showing 8 of them is due to the fact, that I modified /etc/mdev.conf according to xiaocao's advice.
I made symlinks manually (don't know if they will survive reboot) but dvblast seems to fail to open adapters 4 and 5:

Code: Select All Code
DVBlast 2.2 (release)
warning: restarting
debug: using linux-dvb API version 5
error: opening device /dev/dvb/adapter4/frontend0 failed (No such device or address)
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