[Bug 212038] svn commit: r304321 broken bhyve zvol VM bhyveload hang 100% WCPU

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Mon Aug 22 04:34:30 UTC 2016


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212038

            Bug ID: 212038
           Summary: svn commit: r304321 broken bhyve zvol VM bhyveload
                    hang 100% WCPU
           Product: Base System
           Version: CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: dfh0522 at gmail.com
                CC: freebsd-amd64 at FreeBSD.org
                CC: freebsd-amd64 at FreeBSD.org

After r304321, the VM can't start, from top -b shows bhyveload 100% WCPU.

[code]
bhyveload -S -m 4096M -d /dev/zvol/zb/vm/dv -c /dev/nmdm0A dv

bhyve -S -c 2 -m 4096M -s 0,amd_hostbridge -s 1,lpc \
 -s 2:0,virtio-blk,/dev/zvol/zb/vm/dv -s 3,passthru,0/25/0 -s 4,virtio-net,tap0
\
 -l com1,/dev/nmdm0A -A -H -P -u dv &

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