SOLVED: Time Clock Stops in FreeBSD 9.0 guest running under ESXi 5.0

[Adam Strohl]

Doh, correct URL for the forum post is:
http://forums.freebsd.org/showthread.php?t=31929&page=2

On 8/3/2012 14:38, Adam Strohl wrote:
> Just a heads up on the original issue, which is FreeBSD's timer/clock
> stopping under ESXi 5.0 and some later versions of VMware Workstation.
>
> I've gotten a few direct messages that this thread ranks high on Google
> but people are missing the solution.  A few months ago I found this
> forum posting (I believe this was linked in this thread already)
> http://unix.derkeiler.com/Mailing-Lists/FreeBSD/stable/2012-03/msg00201.html
>
>
> The long and short of it is that changing the kern.timecounter sysctl
> value to ACPI-fast or (ACPI-safe if you're not running 9.x yet) fixes
> the hanging issue so far for us.
>
> To temporarily enable it under 9.x:
> sysctl kern.timecounter.hardware=ACPI-fast
>
> Pre 9.x (which doesn't have the ACPI-fast mode):
> sysctl kern.timecounter.hardware=ACPI-safe
>
> To make this persist across reboots and be enabled by default add this
> line to your /etc/sysctl.conf
>
> Under 9.x:
> kern.timecounter.hardware=ACPI-fast
>
> Pre 9.x:
> kern.timecounter.hardware=ACPI-safe
>
> Hope this helps anyone running across this issue.
>


-- 
Adam Strohl
http://www.ateamsystems.com/