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

[a.share@t-online.de (Andreas Share)]

> 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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