kern/186375: FreeBSD 10 is very unstable on Xen 4.1(XCP 1.6)

>Number:         186375
>Category:       kern
>Synopsis:       FreeBSD 10 is very unstable on Xen 4.1(XCP 1.6)
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Feb 02 15:00:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     Kensaku MASUDA
>Release:        10 RELEASE/STABLE
>Organization:
>Environment:
FreeBSD test-01.greg.jp 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Thu Jan 16 22:34:59 UTC 2014     [e-mail]:/usr/obj/usr/src/sys/GENERIC  amd64

>Description:
    I run FreeBSD 10 RELEASE/STABLE on Xen 4.1(XCP 1.6).
One is clean installed about 10 RELEASE. and One is updating from a source with 10 STABLE.
Both VM is very unstable, So stalled, crash, panic and so on.
And I tried to build a kernel /wo xencpi and XENHVM. It was crashed at boot time.

>How-To-Repeat:
1. Install 10 RELEASE on new VM.
2. Check out source tree from SVN repository.
3. make -j 4 DESTDIR=/ world, and stalling.

It is very effective using /w NFS.

>Fix:
I done not know.


>Release-Note:
>Audit-Trail:
>Unformatted:
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