From owner-freebsd-current@FreeBSD.ORG Mon Nov 4 16:38:41 2013 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 6A5F7C5D; Mon, 4 Nov 2013 16:38:41 +0000 (UTC) (envelope-from kostikbel@gmail.com) Received: from kib.kiev.ua (kib.kiev.ua [IPv6:2001:470:d5e7:1::1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id DED1F2202; Mon, 4 Nov 2013 16:38:40 +0000 (UTC) Received: from tom.home (kostik@localhost [127.0.0.1]) by kib.kiev.ua (8.14.7/8.14.7) with ESMTP id rA4GcQG6002903; Mon, 4 Nov 2013 18:38:26 +0200 (EET) (envelope-from kostikbel@gmail.com) DKIM-Filter: OpenDKIM Filter v2.8.3 kib.kiev.ua rA4GcQG6002903 Received: (from kostik@localhost) by tom.home (8.14.7/8.14.7/Submit) id rA4GcPlZ002902; Mon, 4 Nov 2013 18:38:25 +0200 (EET) (envelope-from kostikbel@gmail.com) X-Authentication-Warning: tom.home: kostik set sender to kostikbel@gmail.com using -f Date: Mon, 4 Nov 2013 18:38:25 +0200 From: Konstantin Belousov To: Maciej Milewski Subject: Re: 10.0-BETA1 i386 on VirtualBox Message-ID: <20131104163825.GS59496@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> <52778541.3090803@dat.pl> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="lFtSGh4BwI5kpuz7" Content-Disposition: inline In-Reply-To: <52778541.3090803@dat.pl> User-Agent: Mutt/1.5.22 (2013-10-16) X-Spam-Status: No, score=-2.0 required=5.0 tests=ALL_TRUSTED,BAYES_00, DKIM_ADSP_CUSTOM_MED,FREEMAIL_FROM,NML_ADSP_CUSTOM_MED autolearn=no version=3.3.2 X-Spam-Checker-Version: SpamAssassin 3.3.2 (2011-06-06) on tom.home Cc: Boris Bobrov , Glen Barber , Gleb Smirnoff , "freebsd-current@freebsd.org" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Nov 2013 16:38:41 -0000 --lFtSGh4BwI5kpuz7 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Nov 04, 2013 at 12:30:09PM +0100, Maciej Milewski wrote: >=20 > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 >=20 > 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=3D0 > >> 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=3D1 > 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 So both ahci and ata attached disks show the bug ? Also please show me the CPU features banner from the boot in the VB, like this: CPU: Intel(R) Core(TM) i7-4770S CPU @ 3.10GHz (2993.13-MHz K8-class CPU) Origin =3D "GenuineIntel" Id =3D 0x306c3 Family =3D 0x6 Model =3D 0x3c= Stepping =3D 3 Features=3D0xbfebfbff Features2=3D0x7ffafbff,FMA,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT= ,AESNI,XSAVE,OSXSAVE,AVX,F16C,RDRAND> AMD Features=3D0x2c100800 AMD Features2=3D0x21 Standard Extended Features=3D0x2fbb TSC: P-state invariant, performance statistics real memory =3D 34359738368 (32768 MB) >=20 > Is Gleb's loader hint the final right solution for this problem? Probably not. This smells like a bug in the vbox. It is especially suspicious that only some i/o transfers cause corruption. --lFtSGh4BwI5kpuz7 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (FreeBSD) iQIcBAEBAgAGBQJSd82AAAoJEJDCuSvBvK1BlAEQAJ+1P6Zv1fsNfaoFjZ7bhr2E l/gidOHI1aGt6cn3UrhfqomRT3D++hyvlkT7vtymoe9l9ra9bqWRLYXqyVzAfDhA ifLjAKSbkBdmyqfv5c78YbXSsGb31BGJ+fnRJXjHrfKibRfFinRmwb1Gw2yeiPK9 2/UvZcou4fQ2XvBdJeQtyapRxyzzXXEi/gCucO8dpdm1xpQnIFnyd9XYGWwXng9i 3KQZI3g8EsK7iayAZEohwlLA4msL+fJacs2KXSZBt1PsoNxZehuuiBfi6q9ojczV h7WlZLFGI2XD4zNQOJrX+lrrxjMyDUZL5Va2uBfOZW4FH8m+UZIOhu0/qKxmypqb 6PI10WwPDG+p/zFyFuazEmkCWoBV/PxTQCe7zAQXvSOYQx28CmzUV04OFLd1chzi wcPuiNB7o3AAD8ZSzWNvpqRCcWGwF1dSjjH+sEYbZ7zHJ8SI7zs4SRrzTFiiPsGb cBuBo+JcrraIHioBAciCMJ9EysdgwC15NeBvtiO8NpqdtC1LMrcn50IcjuVhfKah O9Ioh0B27K66kDe52V3p5xqwDqMe+gzm0PH9tl0opfVc16BHiBhVEDCzfObwnb3L 4FWuBm+EPT0cUp6K6XH1ybAy4uFmt88UbJ36XHQrSpZVEHjhO3Zh5VOtU+3MGmnS oMsKyqymOW+dWZ4Q+Kb7 =+rSG -----END PGP SIGNATURE----- --lFtSGh4BwI5kpuz7--