-current host, 10.1 client loops

Peter Grehan grehan at freebsd.org
Mon Apr 11 05:28:46 UTC 2016

Hi Poul-Henning,

> With the host now running:
> 	FreeBSD 11.0-CURRENT #0 r297514M
> And (another) i386 guest running:
> 	FreeBSD 11.0-CURRENT #3 r297721M
> I do not see the problem.
> I'm going to try the 10.1/i386 guest over the weekend.

  I've not yet been able to reproduce this. I've tried  2- and 3-vCPU 
10.1/i386 guests on an Intel E3-1220 v3 (single and dual virtio-blk 
disks), and a 2 vCPU guest on an AMD Sempron 3850 APU. Buildworlds with 
-j set to the number of vCPUs have completed fine.

  The Intel system was using file-backed images on ZFS, while the AMD 
system was on UFS. The guests were UFS. The console was to stdout in a 
tmux session that was mostly backgrounded.

  Was there anything particular with your buildworld ? (-j settings, etc)

  Also, if the guest looks like it hangs, you can extract the RIPs with
   bhyvectl --get-rip --cpu=0 --vm=<vmname>
   bhyvectl --get-rip --cpu=1 --vm=<vmname>

  This might give a hint as to where the guest is spinning.



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