From mboxrd@z Thu Jan  1 00:00:00 1970
From: Detlev Zundel <dzu@denx.de>
Date: Wed, 05 Mar 2008 09:30:17 +0100
Subject: [U-Boot-Users] Ramdisk larger than 8M causes problem
In-Reply-To: <005801c87e65$bb562200$3400a8c0@xgw> (Robert's message of "Wed, 5
	Mar 2008 10:07:54 +0800")
References: <005801c87e65$bb562200$3400a8c0@xgw>
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To: u-boot@lists.denx.de

Hi Robert,

>     I am facing a problem that ,I built a ramdisk(16M)  larger than 8M,
> the kernel couldn't start up correctly with this ramdisk , the filesystem
> couln't be mounted and "kernel panic" happened. But if the ramdisk is 
> smaller
>  than or equal to 8M , it works fine. I tried the two method as what  the
> website
> (http://www.denx.de/wiki/view/DULG/RamdiskGreaterThan4MBCausesProblems)
>  said. but it takes no effect.
> Anybody gives me some hints?

This is really offtopic on the U-Boot ML, but anyway...

The 8MB are usually a compiled in limit for the size of ramdisks.  You
can either change CONFIG_BLK_DEV_RAM_SIZE at compile time or provide a
command line parameter to the kernel, e.g. "ramdisk_size=8192k".

Best wishes
  Detlev

-- 
He who can properly define and divide is to be considered a god.
                                        -- Plato
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DENX Software Engineering GmbH,      MD: Wolfgang Denk & Detlev Zundel
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