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Date:      Sun, 03 Nov 2013 10:54:20 +0100
From:      Maciej Milewski <milu@dat.pl>
To:        Boris Bobrov <breton@cynicmansion.ru>, Gleb Smirnoff <glebius@freebsd.org>
Cc:        Glen Barber <gjb@freebsd.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>
Subject:   Re: 10.0-BETA1 i386 on VirtualBox
Message-ID:  <52761D4C.8030404@dat.pl>
In-Reply-To: <201311021106.17222.breton@cynicmansion.ru>
References:  <526939BF.4030306@dat.pl> <20131031134843.GN52889@glebius.int.ru> <20131031135432.GO52889@glebius.int.ru> <201311021106.17222.breton@cynicmansion.ru>

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On 02.11.2013 08:06, Boris Bobrov wrote:
> В сообщении от Thursday 31 of October 2013 17:54:32 Gleb написал:
>> On Thu, Oct 31, 2013 at 05:48:43PM +0400, Gleb Smirnoff wrote:
>> T> B> 1. The bug disappeares if I disable VT-x/AMD-V in my virtual
>> machine T> B> settings (Settings -> System -> Acceleration) and
>> appeares if I enable it T> B> (thanks to Gleb for inspiration
>> yesterday). It disappeares everywhere, on T> B> all revisions.
>> T> B>
>> T> B> 2. r244315 seems to be not buggy even with VT-x enabled. So we
>> have to T> B> look somewhere between r244315 and r248935.
>> T>
>> T> Good news! Thanks Boris.
>> T>
>> T> Can you track this down to a particular revision?
>>
>> I have suspision that it is very close to the bhyve checkin:
>>
>> -----------------------------------------------------------------------
>> - r245652 | neel | 2013-01-19 08:18:52 +0400 (сб, 19 янв 2013) | 9
>> lines
>>
>> Merge projects/bhyve to head.
>>
>> 'bhyve' was developed by grehan@ and myself at NetApp (thanks!).
>>
>> Special thanks to Peter Snyder, Joe Caradonna and Michael Dexter for
>> their support and encouragement.
>>
>> Obtained from:  NetApp
>>
>> -----------------------------------------------------------------------
>> -
>>
>> since this is the code that started to utilize VT-x.
>>
>> Can you please check this revision and -1 revision to it?
>
> r245652 is not buggy.
>
I traced this down to r248521:
svn log -r248521
- ------------------------------------------------------------------------
r248521 | kib | 2013-03-19 16:08:15 +0100 (Tue, 19 Mar 2013) | 5 lines

UFS support of the unmapped i/o for the user data buffers.

Sponsored by:   The FreeBSD Foundation
Tested by:      pho, scottl, jhb, bf

- ------------------------------------------------------------------------

The last working revision is 248520.


- -- 
Pozdrawiam,
Maciej Milewski
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