[linux-dvb] Re: More than 2Gb problem (dvb related) ?
mrechberger at gmail.com
Sat Apr 28 01:24:45 CEST 2007
Does this only happen with DVB and not with analogue TV (I know there
are some cx88 hybrid devices out there, I recently got one but
couldn't tested it yet ..)?
On 4/28/07, Robert Hancock <hancockr at shaw.ca> wrote:
> Gregoire Favre wrote:
> > Hello,
> > I have a computer (mother Asus Commando) with 4x1Gb Ram.
> > If I start without the BIOS remap memory, my BIOS and linux just see 2Gb
> > of ram, and DVB apps works just great.
> > When I enable the remapping of the memory, my BIOS and linux just see
> > the whole 4Gb but then, I can tune to any transponder without problem,
> > but I am unable to get a TS...
> > I have tested it with vdr/kaffeine/mplayer.
> > szap/kaffeine/vdr get the lock just well.
> > I had already asked about this on just linux-dvb ml, but maybe I am the
> > first one to try DVB with a system with more than 2 Gb as I didn't
> > receive any further info as someone get it working or not with such
> > amount of ram.
> > Anyone got an idea on what could be done to solve this issue ?
> > PLEASE CC to me all message in lkml as I am not subscribed to this ml :)
> Sounds like the cx88 driver is not using the DMA API properly to set up
> proper mappings, this will blow up if it tries to access memory above
> the 4GB mark if the device cannot do >32bit DMA..
> Robert Hancock Saskatoon, SK, Canada
> To email, remove "nospam" from hancockr at nospamshaw.ca
> Home Page: http://www.roberthancock.com/
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