Instant reboot with FreeBSD 6.3 and > 2GB RAM

[Jeremy Chadwick]

On Wed, May 21, 2008 at 10:01:56AM +0200, votdev at gmx.de wrote:
> Hello,
> 
> some users of FreeNAS which is based on FreeBSD 6.3 reported instant reboots on systems with > 2GB RAM (most of them use 4GB). The reboot occurs right after displaying the FreeBSD loader menu. Most of them told me that they can boot if they reduce RAM to <= 2GB.
> 
> We are using the following kernel configuration which is based on GENERIC:
> http://freenas.svn.sourceforge.net/viewvc/freenas/branches/0.69/build/kernel-config/FREENAS-i386?revision=3291&view=markup
> 
> I found out another problem that causes a reboot on my 2GB machine. We are using a image for the LiveCD which is 64MB great. If i change back mfs_root size to 63MB all works well, but all above 64MB causes a reboot.
> Is there any limitation?
> 
> Could someone help me out of this problem?

Is the mfsroot problem what I've documented here?

http://jdc.parodius.com/freebsd/pxeboot_serial_install.html#step7

-- 
| Jeremy Chadwick                                jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |