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Date:      Mon, 04 Nov 2013 12:30:09 +0100
From:      Maciej Milewski <milu@dat.pl>
To:        Konstantin Belousov <kostikbel@gmail.com>,  Gleb Smirnoff <glebius@FreeBSD.org>
Cc:        Boris Bobrov <breton@cynicmansion.ru>, Glen Barber <gjb@freebsd.org>, "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>, kib@FreeBSD.org
Subject:   Re: 10.0-BETA1 i386 on VirtualBox
Message-ID:  <52778541.3090803@dat.pl>
In-Reply-To: <20131103144131.GG59496@kib.kiev.ua>
References:  <526939BF.4030306@dat.pl> <201311021106.17222.breton@cynicmansion.ru> <52761D4C.8030404@dat.pl> <201311031629.20378.breton@cynicmansion.ru> <20131103134601.GN52889@glebius.int.ru> <20131103144131.GG59496@kib.kiev.ua>

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On 03.11.2013 15:41, Konstantin Belousov wrote:
> On Sun, Nov 03, 2013 at 05:46:01PM +0400, Gleb Smirnoff wrote:
>>   Maciej, Boris,
>>
>> On Sun, Nov 03, 2013 at 04:29:11PM +0400, Boris Bobrov wrote:
>> B> > I traced this down to r248521:
>> B> > svn log -r248521
>> B> >
-----------------------------------------------------------------------
>> B> > - r248521 | kib | 2013-03-19 16:08:15 +0100 (Tue, 19 Mar 2013) | 5
>> B> > lines
>> B> >
>> B> > UFS support of the unmapped i/o for the user data buffers.
>> B> >
>> B> > Sponsored by:   The FreeBSD Foundation
>> B> > Tested by:      pho, scottl, jhb, bf
>> B> >
>> B> >
-----------------------------------------------------------------------
>> B> > -
>> B> >
>> B> > The last working revision is 248520.
>> B>
>> B> Yes, I confirm that.
>>
>> Thanks for you help!
>>
>> Can you please now try unpatched vanilla 10.0-BETA2 iso file and when it
>> boots set in loader (before kernel):
>>
>> OK set vfs.unmapped_buf_allowed=0
>> OK boot
>
> Show what disk driver is used,  also show the output of hw.ncpu, both
> from the guest.
Konstantin,
do you need any other/more info from guest host?
Other than hw.ncpu=1
Disk is
ada0 at ahcich0 bus 0 scbus2 target 0 lun 0
and second test instance is
ada0 at ata0 bus 0 scbus0 target 0 lun 0

Is Gleb's loader hint the final right solution for this problem?

- -- 
Pozdrawiam,
Maciej Milewski
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