[linux-dvb] need to hold fronend device open
mike at obelix.homelinux.net
Tue Dec 4 11:14:04 CET 2007
Nico Sabbi schrieb:
> Il Tuesday 04 December 2007 08:10:26 Iilluzion Shadow ha scritto:
>> Hi there!
>> I appreciated for good staff you develop.
>> The question is:
>> is it a bug or feature that to be able to have dvbnet device
>> operational to be able to get traffic i need to have frontend
>> device to be held open by a user process?
>> dvb card: TT-budget S-1401
>> budget module from kernel 2.6.22
>> OK. some examples.
>> successful example 1
>> 1. szap -n 1 - successfully locks a signal and continually
>> monitors signal strength
>> 1.2 meanwhile [kdvb-fe-0] is being hold open
>> 2. dvbnet - successfully makes a dvb0_0 device
>> 3. ifconfig - successfully initializes dvb device
>> 4. tcpdump - gives traffic
>> unsuccessful example 2
>> 1. szap -n 1 -x - lock a signal and stops
>> 2,3. dvbnet and ifconfig - make dvb0_0
>> 4. tcpdump - shows NO traffic
>> reason: [kdvb-fe-0] is not being hold open
>> workaround: keep szap going placing it into background with &.
>> szap -n 1 > /dev/null 2>&1 &
>> so it seems i have to keep [kdvb-fe-0] making szap running
> if you want to keep the frontend open load dvb_core with the parameter
> linux-dvb mailing list
> linux-dvb at linuxtv.org
Is this module parameter still working in later releases ( e.g. current
CVS version ) ? It seems it is not. The parameter ist still defined but
not used anymore.
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