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From: Jerry Van Baren <gerald.vanbaren@smiths-aerospace.com>
To: linuxppc-embedded@ozlabs.org
Subject: Re: MEMORY PROBLEM
Date: Tue, 14 Dec 2004 16:07:19 -0500	[thread overview]
Message-ID: <41BF5607.8040609@smiths-aerospace.com> (raw)
In-Reply-To: <62302.213.114.195.235.1103055907.squirrel@webmail1.unisite.se>

ppclinux@sundmangroup.com wrote:
> Hello,
> I have a Freescale-PPC8270 ( Former Motorola ) based board with 256Megs of
> RAM.
> 
> I am using the Montavista Vista Kernel 2.4.20.
> 
> When the system is handling larger files ~100M when NFS mounted and ~20M
> when RAMDISKed the kernel crashes since things are being overwritten in
> memory.
> 
> The crash happens when handling/creating large files by measn of e.g.
> * dd
> * gunzip
> * sftp download
> etc. it seems to be a general memory handling problem.
> 
> When looking at the memory though there are plenty of free space, or there
> should be plenty of free space but for some reason things are
> overwritten...
> 
> The Kernel reports actually 256M of memory. Top also shows that there is o
> r should be more than enough free memory for the operations I am trying to
> pull :-))
> 
> Can you give me suggestions where to start digging into this problem?
> 
> Best Regards // Matias

Your SDRAM initialization is suspect
   http://www.denx.de/twiki/bin/view/DULG/LinuxCrashesRandomly
   http://www.denx.de/twiki/bin/view/DULG/SDRAM
   http://www.denx.de/twiki/bin/view/DULG/UBootCrashAfterRelocation

gvb

  reply	other threads:[~2004-12-14 21:19 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-12-14 20:25 MEMORY PROBLEM ppclinux
2004-12-14 21:07 ` Jerry Van Baren [this message]
2004-12-15 16:51   ` ppclinux
  -- strict thread matches above, loose matches on Subject: below --
2003-04-03  0:40 memory problem 최영일

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