Re: hang with bnx(4) on amd64, ok on i386 - what's different?

[Joerg Sonnenberger <joerg%britannica.bec.de@localhost>]

On Thu, Sep 09, 2010 at 04:20:00PM -0400, Greg Troxel wrote:
> 
>   > We have some Dell R610s, with 4 bnx interfaces.  We are finding that
>   > with netbsd-5/amd64 using a single bnx interface is stable.  With two
>   > interfaces, the machine is very prone to a lockup.  ctrl-alt-esc doesn't
>   > work, but an NMI gets into ddb.  With netbsd-5/i386, all seems to be ok
>   > (once we raised NMBCLUSTERS).
> 
>   How much memory does tha machine have?
> 
> The machine has 4G.

Try AMD64 with PHYSMEM_MAX_ADDR=3500 or so.

Joerg