Kb253

Emulab FAQ: Testbed Operations: Problem with os_load

> Sometimes when I try to load an image I see:
>
> ---
> boss:~ 1 (108)> wap os_load -i FBSD410+RHL90-STD pc-i2-42-a
> osload (pc-i2-42-a): Changing default OS to emulab-ops-FBSD410-STD
> osload: Updating image signature.
> *** swapinfo: WARNING: got no partition info for pc-i2-42-a!
> Setting up reload for pc-i2-42-a (mode: Frisbee)
> osload: Issuing reboot for pc-i2-42-a and then waiting ...
> reboot (pc-i2-42-a): Attempting to reboot ...
> reboot (pc-i2-42-a): Successful!
> reboot: Done. There were 0 failures.
> ...
> ---
>
> and the node never comes up and it eventually gives up.   Looking at the
> console  I see:
>
> ---
> > telnet ts-42 pc-i2-42-a
> Trying 198.133.225.212...
> Connected to ts-42.schooner.wail.wisc.edu.
> Escape character is '^]'.
> CC
> pollinfo: Got one
> Entering boot wait mode. Type ^C for interactive mode ...
> pollinfo: Got one
> Entering boot wait mode. Type ^C for interactive mode ...
> pollinfo: Got one
> Entering boot wait mode. Type ^C for interactive mode ...
> ---
>
> So it doesn't actually boot to frisbee.  The bootinfo.log gives:
>
> ---
> Mar 22 12:18:09 boss bootinfo[71809]: 198.133.225.26: SEND: query bootinfo
> Mar 22 12:18:09 boss bootinfo[346]: 198.133.225.26: REQUEST (vers 1)
> Mar 22 12:18:09 boss bootinfo[346]: 198.133.225.26: REPLY: wait mode
> ---
>
> Is the partition info error important?  Any ideas what's going on?

Were you trying to load a free node? In my experience, os_loading a free node (i.e., one that is in PXEWAIT) never works right unless you use sched_reload.

The swapinfo WARNING should not matter, it is only for tracking hash signatures which are not used yet.