Strange issue after early AP startup

[John Baldwin]

On Tuesday, January 17, 2017 12:53:19 PM Cy Schubert wrote:
> In message <b9c53237-4b1a-a140-f692-bf5837060b18 at selasky.org>, Hans Petter 
> Sela
> sky writes:
> > Hi,
> > 
> > When booting I observe an additional 30-second delay after this print:
> > 
> > > Timecounters tick every 1.000 msec
> > 
> > ~30 second delay and boot continues like normal.
> > 
> > Checking "vmstat -i" reveals that some timers have been running loose.
> > 
> > > cpu0:timer                         44300        442
> > > cpu1:timer                         40561        404
> > > cpu3:timer                      48462822     483058
> > > cpu2:timer                      48477898     483209
> > 
> > Trying to add delays and/or prints around the Timecounters printout 
> > makes the issue go away. Any ideas for debugging?
> > 
> > Looks like a startup race to me.
> 
> just picking a random email to reply to, I'm seeing a different issue with 
> early AP startup. It affects one of my four machines, my laptop. My three 
> server systems downstairs have no problem however my laptop will reboot 
> repeatedly at:
> 
> Jan 17 11:55:16 slippy kernel: cd0: Attempt to query device size failed: 
> NOT READY, Medium not present - tray closed

So it panics and reboots after this?

-- 
John Baldwin