On Thu, Sep 18, 2008 at 10:26:08AM +0200, Bernd Petrovitsch wrote: > 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 > The application I have to run is a binary only 32 bit application. And the application is disk intensive so I need a lot of cache. Thanks for you input. Edésio -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
