I believe I was able to do this without locking up, but I had to use the SDIO 
driver in patch set 45 and an SDHC class6 device to get higher throughput.  I 
think Chris is correct about you not having enough throughput.

Sincerely,
Chase Maupin
Software Applications
Catalog DSP Products
e-mail: [EMAIL PROTECTED]
phone: (281) 274-3285

> -----Original Message-----
> From: [EMAIL PROTECTED]
> [mailto:[EMAIL PROTECTED] On Behalf
> Of Chris Stillson
> Sent: Thursday, September 11, 2008 5:12 PM
> To: António Silva
> Cc: [email protected]
> Subject: Re: Problem writing to SD card
> 
> You might be writing to the card faster than it can write out. Since
> the output is buffered, you will fill the buffers as fast as you can
> write. I'm sorry I can't give you specific numbers, but  you might try
> sending less to the card to see if it doesn't hang up.
> Chris
> 
> 
> 
> 2008/9/11 António Silva <[EMAIL PROTECTED]>:
> > Hi all,
> >
> > I am recording the video stream into a SD card, but after running a
> couple
> > of minutes, the encoder application hangs with a process state code D
> > ("Uninterruptible sleep (usually IO)").
> >
> > I have installed the previous version of the dvsdk and lsp ##_1_30_00_23
> and
> > the SD card is formatted in ext3.
> >
> > Has anybody tried with this previous version of the LSP and DVSDK an
> doesn't
> > had any problems while writing to the SD card?
> >
> > Maybe it is the filesystem type on the SD card?
> >
> > Thanks in advance,
> >
> > A.Silva
> >
> >
> >
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> > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
> >
> >
> 
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