Date: Thu, 5 Feb 2015 13:22:27 +0100 From: Dimitry Andric <dim@FreeBSD.org> To: Konstantin Belousov <kostikbel@gmail.com> Cc: FreeBSD Current <freebsd-current@freebsd.org>, "Lundberg, Johannes" <johannes@brilliantservice.co.jp>, Allan Jude <allanjude@freebsd.org> Subject: Re: Weird behavior writing to SSD on 2013 MacBook Message-ID: <95526D8E-6C34-43BA-BB18-35B1764A7108@FreeBSD.org> In-Reply-To: <20150205083035.GF42409@kib.kiev.ua> References: <CAASDrV=d=7aGdsDzDxRS2aXW%2BtWijVmNWrCNSYLWrWWvgwYx6Q@mail.gmail.com> <54D2C3DA.4060205@freebsd.org> <CAASDrV=9zrG8mH0Cn770yJLG6cBxuFjBQthhcHB_q4e7Afthww@mail.gmail.com> <CAASDrVnY8RQV2C=k=_v=23VD%2BQcXYegm1SLQPXDULwfQQ1xsDA@mail.gmail.com> <54D319EA.5020709@freebsd.org> <CAASDrVmcOzQiNMhi5dukd4PEyGXV4_T71jh3E3DfaWjKWWWM6g@mail.gmail.com> <AF0781EF-50BD-4CAB-8FEC-6334EED6DACF@FreeBSD.org> <20150205083035.GF42409@kib.kiev.ua>
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--Apple-Mail=_937B856C-ACDD-41B2-96B9-02A5C152A499 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii On 05 Feb 2015, at 09:30, Konstantin Belousov <kostikbel@gmail.com> = wrote: >=20 > On Thu, Feb 05, 2015 at 08:56:59AM +0100, Dimitry Andric wrote: >> If you let bsdtar continue, and press control-T a few times, does the >> user time (u) increase at all? Does it ever go any further, if you = let >> it run for a very long time? >>=20 >> I believe a problem may have been introduced by r277922, leading to >> filesystem hangs in some scenarios. It looks like this commit is = also >> in dumbbell's github fork: >>=20 >> = https://github.com/dumbbell/freebsd/commit/83723416a6bb8695d60c6573722a810= 86899f521 >>=20 >=20 > Would be nice if you mailed me with your findings. >=20 > Please try this. >=20 > diff --git a/sys/ufs/ffs/ffs_softdep.c b/sys/ufs/ffs/ffs_softdep.c Hi Kostik, Yes, this works: it survived 20 simultaneous svn checkouts of a large repository, while before the fix just 1 checkout could be enough to let it get stuck in flswai state. Thanks for the quick fix. -Dimitry --Apple-Mail=_937B856C-ACDD-41B2-96B9-02A5C152A499 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc Content-Description: Message signed with OpenPGP using GPGMail -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.26 iEYEARECAAYFAlTTYIYACgkQsF6jCi4glqNbfACeMz0QMkd+HFPHa3JjbNDAZWij XykAnjtBAwPkWcjRMISzx3C7uDqqxwHx =XjCZ -----END PGP SIGNATURE----- --Apple-Mail=_937B856C-ACDD-41B2-96B9-02A5C152A499--
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