[linux-dvb] Re: [PATCH] heavy section filter crunching cancrash the arm

[Jeremy Hall <jhall@maoz.com>]

Can you make a patch that will apply to DVB that adds this module 
functionality? (my machine runs 2.4.x and my understanding is that 
DVB-kernel only works with 2.5.x)

_J

In the new year, Andreas Share wrote:
> 
> 
> > Hm, forget that.. After some more testing I recognized that it does not
> > really solve the problem. It just seems to delay it. However, I
> > committed a patch to dvb-kernel, which adds a module parameter
> > "hw_sections". If set to 0, then the driver will get transport stream
> > packets from the arm and use the software demux to filter sections. The
> > default setting (1) does section filtering in the arm firmware, which is
> > less stable under high load but should be faster. I haven't seen any arm
> > crash since I am using software section filters.
> >
> > Regards,
> > Andreas
> 
> Hello,
> 
> i tested over the last days some application uses additional section filter,
> and i have see the older ci-cam firmware is much more stable in this case.
> With the newer Link-Layer Firmware i have seen mostly very fast arm-crashes.
> So i think it should be possible to fix this in the firmware....
> 
> An additional module parameter is an nice idea, but is it not better do this
> via a little change in the api (via dmx_sct_filter_params), so we can select
> in user-space wich filter we whant to use? So we are able to mix hardware
> and software section filter at same time....
> 
> Greetings
> 
> Andreas Share
> 
> 
> 
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