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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[-- Attachment #1 --] On 05 Feb 2015, at 09:30, Konstantin Belousov <kostikbel@gmail.com> wrote: > > 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? >> >> 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: >> >> https://github.com/dumbbell/freebsd/commit/83723416a6bb8695d60c6573722a81086899f521 >> > > Would be nice if you mailed me with your findings. > > Please try this. > > 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 [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.26 iEYEARECAAYFAlTTYIYACgkQsF6jCi4glqNbfACeMz0QMkd+HFPHa3JjbNDAZWij XykAnjtBAwPkWcjRMISzx3C7uDqqxwHx =XjCZ -----END PGP SIGNATURE-----help
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