From: "Markus Rechberger" <mrechberger@gmail.com>
To: "Robert Hancock" <hancockr@shaw.ca>
Cc: "Gregoire Favre" <Gregoire.Favre@gmail.com>,
linux-kernel@vger.kernel.org, linux-dvb@linuxtv.org
Subject: Re: More than 2Gb problem (dvb related) ?
Date: Sat, 28 Apr 2007 01:24:45 +0200 [thread overview]
Message-ID: <d9def9db0704271624u2e895200jbe6986d913cf0e38@mail.gmail.com> (raw)
In-Reply-To: <46327F5D.4060708@shaw.ca>
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 ..)?
Markus
On 4/28/07, Robert Hancock <hancockr@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@nospamshaw.ca
> Home Page: http://www.roberthancock.com/
>
> -
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
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> Please read the FAQ at http://www.tux.org/lkml/
>
--
Markus Rechberger
next prev parent reply other threads:[~2007-04-27 23:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.pO/RoNmzgLz6KNMO4Ste8iezOk8@ifi.uio.no>
2007-04-27 22:55 ` Robert Hancock
2007-04-27 23:24 ` Markus Rechberger [this message]
2007-05-01 11:22 ` Gregoire Favre
2007-04-27 11:10 Gregoire Favre
2007-04-27 20:46 ` Markus Rechberger
2007-04-27 21:03 ` Gregoire Favre
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