kmem_map too small, revisited (5.2.1-REL-p1)

[Kris Kennaway]

On Wed, May 12, 2004 at 04:25:41PM +0200, Thomas Quinot wrote:
> * Sven Willenberger, 2004-03-16 :
> 
> > The Issue: Ever since having migrated from 4.x to 5.x I have been having
> > an issue (on 2 different hardware setups) with spontaneous reboots or
> > system hangs, usually identified by the kmem_map too small message. The
> 
> I just got a similar reboot on a 5.2.1-REL-p1 box (ie with the cred leak
> fix and the SA 04:04 TCP reassembly queue fix, but with rev. 1.217.2.2
> of tcp_input.c). Could that explain the problem?

AFAIK it's just poorly chosen defaults on large memory machines.
Setting VM_KMEM_SIZE_MAX=419430400 fixes it for me on 3 4GB machines.

Kris
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