Re: [linux-dvb] Cinergy T2 Kernel Oops on Linkstation Live V1 (Marvel Orion ARM Architecture)

[Ingo Peukes <admin@ipnetwork.de>]

Hello Thierry,

Thierry Merle wrote:
> Hi Ingo,
> 
> Ingo Peukes a écrit :
>> Hello everyone...
>>
>> a few days ago I bought e Pinnacle PCTV200e to try if it works with my 
>> Linkstation. After getting some drivers for it from here: 
>> http://ubuntuforums.org/showthread.php?t=511676&page=8
>> As result I just got the same kernel oops, only triggered by the dvb_usb 
>> module instead of the cinergyT2 one.
>>
> Is it the same ManufacturerID/VendorID as the cinergyT2 device or did you make some adaptations to make your Pinnacle device to work with the cinergyT2 driver?
> 
Well, think I was a bit unclear here.
I don't use the cinergyT2 module with the Pinnacle device.
The v4l-dvb drivers I found on the ubuntu forum contains a separate 
driver for the PCTV200e. What I was trying to say is that both drivers 
trigger the same oops, in case of the PCTV it originates in dvb-usb.ko 
and in case of the cinergy in cinergyT2.ko

>> Today I found a patch sent to this list on 01/20/2008 by Michele 
>> Scorcia. Although it is for kernel 2.6.20.4 and written to fix a problem 
>> on a mips platform the description of the problem came close to mine. So 
>> I applied it to the usb-urb.c from the above archive and built the modules.
>> After that the oops was gone and the PCTV runs without problems.
>> The cinergy driver still triggers the oops but i think that's normal 
>> cause it does not use the dvb-usb module and would need a separate patch.
>> The new cinergyT2 driver from Tomi Orava works just fine so I give it a 
>> chance instead of fixing the old one.
>> Another reason for this is that I tried both receivers on my desktop 
>> with the same kernel and v4l-dvb sources as I use on the Linkstation and 
>> couldn't make them run both at the same time. dmesg shows no errors but
>> w_scan hangs when both drivers are loaded. Either receiver alone works
>> great but together none does.
>> This problem does not exist with the new driver.
>>
> I hope Tomi will be able to finalize his patch so we will be able to replace the old one.
> The old driver is monolithic and does not follow the dvb framework evolutions/bug corrections.
Hope so too,  as I stated in my reply to the 'Tester wanted ...' thread 
it works good except the signal recognition is very poor compared to the 
old driver.
> 
>>
>> Here's the patch I use, only difference to the one from Michele Scorcia 
>> are the line numbers:
>>
> Please post this patch in an email with [PATCH] in subject and with the Signed-off-by: name <email> line so that maintainers get aware of the patch, and don't miss it.
> See: http://www.linuxtv.org/v4lwiki/index.php/How_to_submit_patches
Thanks for the hint, will do that :)
> 
> Thanks
> Thierry

REgrads

Ingo PEukes

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