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Date:      Thu, 20 Feb 2014 07:53:16 GMT
From:      Alexander <emoxam@mail.ru>
To:        freebsd-gnats-submit@FreeBSD.org
Subject:   misc/186909: Stable GENERIC kernel panic on hyperv 2012 OS
Message-ID:  <201402200753.s1K7rGSh046152@cgiserv.freebsd.org>
Resent-Message-ID: <201402200800.s1K800l6029106@freefall.freebsd.org>

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>Number:         186909
>Category:       misc
>Synopsis:       Stable GENERIC kernel panic on hyperv 2012 OS
>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:   Thu Feb 20 08:00:00 UTC 2014
>Closed-Date:
>Last-Modified:
>Originator:     Alexander
>Release:        10.0
>Organization:
>Environment:
That should be: FreeBSD emoxam 10.0-STABLE FreeBSD 10.0-STABLE #0 r262221: Thu Feb 20 02:54:35 MSK 2014     emoxam@emoxam:/usr/obj/usr/src/sys/GENERIC  amd64
>Description:
On virtual box the same actions works.
On hyper-v 2012 OS these action leads to kernel panic.

I can't paste a text from vurtual machine, but i can provide screenshots, but not here, as i see there's no such ability. So ask me and i send it to email.

The similar errors, as i see, we can see here:
http://lists.freebsd.org/pipermail/freebsd-virtualization/2013-October/001679.html
and here
http://comments.gmane.org/gmane.os.freebsd.devel.virtualization/1335

>How-To-Repeat:
Download the 10.0 release
pkg install subversion
svn checkout http://svn.freebsd.org/base/stable/10/ /usr/src
cd /usr/src
make -j4 buildworld
make -j4 buildkernel KERNCONF=GENERIC
mergemaster -p
make installkernel KERNCONF=GENERIC
make installworld
mergemaster

reboot
>Fix:
Exclude fron kernel config next string:
device          hyperv          # HyperV drivers 
but i don't think it is a fix.

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



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