Re: Boot failure "in memory mkext" error

On Nov 21, 2007, at 02:19:16, Mike Friedman wrote:

On Nov 20, 2007 10:57 PM, webmaster < email@hidden> wrote:

On Nov 20, 2007, at 22:56:58, Mike Friedman wrote:

> I had a 10.51 server, with a Softraid mirror volume, when one of
> the disks in the mirror had a problem. The machine was completely
> hung, so I rebooted it.
>
> It won't boot now. I have tried the limited softraid
> troubleshooting (clearing the boot cache when mounted on another
> machine), but unfortunately their site seems to be down right now.
>
> I also removed the secondary disk that failed from the RAID but it
> will still not boot. In verbose mode, I get a message repeating
> endlessly that said "in-memory mkext doesn't match on-disk mkext'
> non-boot kexts won't be loaded."

rm /Volumes/<HD-NAME>/System/Library/Extensions.*

Once you have done this you should try to boot on the actual machine
and not another machine.

>
> I googled for that error and various pieces of it but found nothing.
>
> Any thoughts on this?
>
> I'd rather not have to restore from the backup again. This has not
> been my week.

Can you boot from the Install DVD on the machine with the problem?

-- Dale

Removing all of the kernel extensions seems like a rather radical thing...yes, I can boot from the install DVD.

Try reading it again or put your glasses on, it deletes 2 files and only 2 files.

try:

ls -lsa /Volumes/<HD-NAME>/System/Library/Extensions.*