On Mon, 2003-12-08 at 16:36, William Lee Irwin III wrote: > On Mon, Dec 08, 2003 at 04:24:19PM +0100, Per Buer wrote: > (..) > > There seems to a problem with IO and high memory. Suddenly IO > > performance will degrade dramatically (throughput of about 50KB/s). > > Booting the machine with "mem=2048" remedies this. > > We have tried replacing the memory with another make - no luck. > > Any hints? > > Could you send out a dmesg and a config file? Sure. We have tried two kernels on this server. A plain 2.4.18 (no patches) and 2.4.22 with the RMAP VM (we thought this might be related to the VM) and the brk()-fixes. No such luck. :( -- There are only 10 different kinds of people in the world, those who understand binary, and those who don't.