RE: Kernel panic on amd64Netbsd 4.0

["Derrick Lobo" <derrick%givex.com@localhost>]

This crash is very  random,  the load average last recorded before crash was
0.16.. After restart the command worked without errors. I was moving a very
small file between two volumes on the same (72GB) SCSI disk (it was less
than 1Mb).

-----Original Message-----
From: Steven M. Bellovin [mailto:smb%cs.columbia.edu@localhost] 
Sent: Thursday, September 25, 2008 5:14 PM
To: Manuel Bouyer
Cc: Derrick Lobo; 'Port-Amd64@Netbsd. Org'; netbsd-users%NetBSD.org@localhost;
netbsd-help%NetBSD.org@localhost
Subject: Re: Kernel panic on amd64Netbsd 4.0

On Thu, 25 Sep 2008 23:12:32 +0200
Manuel Bouyer <bouyer%antioche.eu.org@localhost> wrote:

> On Thu, Sep 25, 2008 at 05:03:25PM -0400, Steven M. Bellovin wrote:
> > On Thu, 25 Sep 2008 15:10:41 -0400
> > "Derrick Lobo" <derrick%givex.com@localhost> wrote:
> > 
> > > Thanks Manuel
> > > )
> > > I can't change to 3 GB as I have 4 x 2Gb ram on this server. I can
> > > try with lesser memory to see if the problem goes away. However is
> > > this a memory erro or the SCSI controller failing..
> > > 
> > 
> > Isn't there a kernel configuration option to limit the size of
> > memory used by NetBSD?  I don't see one for amd64 in boot(8), but I
> > thought I'd seen it before.  
> 
> I think it's
> options REALEXTMEM=integer
> 
> at last for i386; never tested it on amd64.
> 
In boot(8), it's only in the i386 section...


                --Steve Bellovin, http://www.cs.columbia.edu/~smb