On Wed, 2008-09-17 at 17:52 -0300, Edesio Costa e Silva wrote:
> Hi Folks!
> 
> I am running Linux 32 bits (2.6.26.5-bigsmp) on a virtual machine with 64 GB
> of RAM. When I try to create a large file, for example "dd if=/dev/null
> of=/tmp/huge.file bs=1024k count=65536" the machine hangs when the file hits
> 22 GB mark. I instrumented the kernel with the debug options and before the
> hang I got a message "lowmem_reserve[]: 0 0 0 0". Any hints on how to tune
> Linux to handle this configuration?
[....]
> P.S.: Switching to a 64 bit kernel is NOT an option.

Why?
Given the 64GB RAM, this is probably the best solution.

        Bernd
-- 
Firmix Software GmbH                   http://www.firmix.at/
mobil: +43 664 4416156                 fax: +43 1 7890849-55
          Embedded Linux Development and Services



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