On Sep 20, 2005, at 1:37 PM, Aaron Peterson wrote:
I've had problems loading/booting FreeBSD 5.4 in a virtual machine.
If I start in the default mode, it crashes VMware. If I start with
ACPI disabled it crashes VMware. If I start in Safe Mode it works
great. So... I want to learn about what is different about booting
in Safe Mode from the default boot options. That way I can further
troubleshoot and find the culpret hopefully. Thanks for any
information regarding this issue.
On 9/20/05, Tom Pepper [EMAIL PROTECTED] wrote:
Aaron:
You're on the right track. Both FreeBSD and VMWare are marginally
aware of each other, though it is possible if you do enough digging
to get 5.x virtual machines limping along inside both GSX and ESX.
However, expect to see strange behavior in a number of applications,
and problems with CPU usage in applications that should be idle,
since freebsd's nanosleep() call eats CPU when running under these
platforms.
You can boot FreeBSD in standard mode by instructing the VMware host
to not use ACPI in each config file (in ESX it's usually called
vmware.vmx per-config) and adding the following two lines before
restarting the instance:
acpi.present = false
monitor_control.disable_apic = TRUE
it's easiest then, once you have an installation working, to use a
product like virtualcenter to template and clone the working instance
out to other hosts.
I am trying to run FreeBSD 5.4 on ESX, since I seem to have left that
information out in earlier posts. I really appreciate the
information, I wasn't aware of any configuration directives like these
for vmware. I am left with a couple other questions that you or
someone might be able to help me with.
Why does nanosleep() eat CPU when running under these platforms?
I was able to get FreeBSD running on a virtual host before hearing
your suggestion by adding hint.apic.0.disabled=0 to
/boot/loader.conf. I'm sure this does basically the same thing as
your suggestion, except in the FreeBSD kernel instead of in the
virtual host configuration. I wonder what the pros and cons are of
doing one or the other?
In your opinion, is it worth running FreeBSD 5.4 on ESX in light of
the quirks you've noticed?
Thanks,
Aaron
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