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razze
Apprentice
Joined: 09 Mar 2005
Posts: 161
Location: Espoo, Finland
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 Posted: Tue Aug 01, 2006 5:08 pm Post subject: Kernel 2.6.17, Terratec DVB-C, frontend missing |
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I have successfully been using my Terratec DVB-C 1200 card with earlier kernel, but after upgrade to 2.6.17-gentoo-r4 I get the following error message in dmesg output:
| Code: | saa7146: register extension 'budget_av'.
ACPI: PCI Interrupt 0000:00:09.0[A] -> GSI 16 (level, low) -> IRQ 19
saa7146: found saa7146 @ mem ffffc20000ad0000 (revision 1, irq 19) (0x153b,0x115
6).
saa7146 (0): dma buffer size 192512
DVB: registering new adapter (Terratec Cinergy 1200 DVB-C).
adapter failed MAC signature check
encoded MAC from EEPROM was ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:ff:f
f:ff:ff
KNC1-0: MAC addr = 00:0a:ac:01:e7:59
DVB: TDA10021: tda10021_readreg: readreg error (ret == -121)
budget-av: A frontend driver was not found for device 1131/7146 subsystem 153b/1156
budget-av: ci interface initialised.
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Relevant parts of lsmod
| Code: |
#lsmod
budget_av 17664 0
saa7146_vv 46912 1 budget_av
video_buf 22468 1 saa7146_vv
budget_core 9348 1 budget_av
saa7146 15752 3 budget_av,saa7146_vv,budget_core
ttpci_eeprom 2560 1 budget_core
stv0299 10952 1 budget_av
tda10021 6532 1 budget_av
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I have enabled all frontends as modules in the kernel config. Is there a config setting I have missed somewhere (I used the old kernel config with 'make oldconfig') or is this a bug. I have upgraded kernels before in the same way since february, but have not had any troubles before.
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Icer
Guru
Joined: 26 Aug 2003
Posts: 395
Location: @home
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| Posted: Wed Aug 02, 2006 5:46 am Post subject: |
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The v4l kernel drivers have changed. Check out with menuconfig. There are v4l2 drivers and the old drivers should be there too.
I was'nt able to get the card working with the gentoo-sources-2.6.17-r4 kernel at all. No matter how I tweaked the settings. I've given up and use the older 2.6.16-r7 kernel now. I'm suspecting a bug in the drivers or then again it could be that I just dont know how to use the new kernel settings. It was plain and simple with the older kernel. Now I'm waiting for newer kernels to see if they're any better.
Only thing I have not tried is to build the drivers as modules but you have done that allready. I tried building the drivers in kernel.
Good luck and post here a howto if you get the card working with the new kernel. 
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vlimmere
n00b
Joined: 19 Oct 2004
Posts: 16
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| Posted: Thu Aug 10, 2006 1:49 pm Post subject: |
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I have been experiencing the same problem. Yesterday, I tried to install my new Terratec DVB-C PCI card and upgraded to 2.6.17-r4 at the same time. That turned out to be a big mistake as the 'frontend' driver did not load at all  . I'll try to hack the driver tonight, but no guarantees.
Does anybody know what the most recent gentoo-sources are in which this card is working?
Regards,
Bernard |
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Icer
Guru
Joined: 26 Aug 2003
Posts: 395
Location: @home
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| Posted: Thu Aug 10, 2006 4:11 pm Post subject: |
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One could try the 2.16.17-r5 kernel. It's supposed to port some fixes from the vanilla 2.6.18 kernel. Pretty vague isnt it? But so it says in the gentoo-sources change log.
The kernel driver for the frontend is broken and it's a known problem as far as I know. It's supposed to be fixed in vanilla 2.6.18 kernel. See the kernel.org changelogs for the specific fix.
If you try the new gentoo-sources kernel, please report if it works ok here.
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vlimmere
n00b
Joined: 19 Oct 2004
Posts: 16
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| Posted: Fri Aug 11, 2006 7:51 am Post subject: |
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| Icer wrote: | One could try the 2.16.17-r5 kernel. ...
If you try the new gentoo-sources kernel, please report if it works ok here. |
I tried yesterday the 2.6.16-gentoo-r7 kernel and it works fine. Downloaded the vanilla 2.6.18-rc4, but haven't tried it yet. I'll probably stick with the 2.6.16 as there are stable ivtv drivers for that kernel. |
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Icer
Guru
Joined: 26 Aug 2003
Posts: 395
Location: @home
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| Posted: Sun Aug 13, 2006 12:16 pm Post subject: |
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I today compiled the 2.6.17-gentoo-r5 kernel and the DVB drivers work. I tested the new driver system but it didnt work. However the older system, which is marked as deprecated btw, works as it did in the older kernels.
If someone knows how to get the new v4l2 drivers work, please provide instructions.
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freez
n00b
Joined: 04 Sep 2002
Posts: 37
Location: austria
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| Posted: Mon Aug 21, 2006 6:31 pm Post subject: |
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Icer, can you tell me what you mean with the "old" and "new" drivers?
I havent followed the development of the linuxtv stuff for quite some time now, and its hard to google for summaries on the latest development... 
(I know the dvb and the v4l2 project have merged, but the new code isnt in the kernel, right?)
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Icer
Guru
Joined: 26 Aug 2003
Posts: 395
Location: @home
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| Posted: Tue Aug 22, 2006 4:31 pm Post subject: |
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Well there's now v4l drivers and v4l2 drivers. Both are now in the kernel. Check it out in the menuconfig: device drivers -> multimedia -> video for linux. It shows up like this:
| Code: | <*> Video For Linux
│ │ [*] Enable Video For Linux API 1 (DEPRECATED)
│ │ --- Enable Video For Linux API 1 compatible Layer
│ │ Video Capture Adapters --->
│ │ Radio Adapters --->
│ │ Digital Video Broadcasting Devices --->
│ │ < > DABUSB driver |
If you look at the help for the options it's explained there.
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