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Date:      Sun, 13 Nov 2016 17:10:47 -0800
From:      Juli Mallett <jmallett@freebsd.org>
To:        Adrian Chadd <adrian.chadd@gmail.com>
Cc:        Kostik Belousov <kostikbel@gmail.com>,  "freebsd-mips@FreeBSD.org" <freebsd-mips@freebsd.org>, "M. Warner Losh" <imp@bsdimp.com>, Warner Losh <wlosh@bsdimp.com>
Subject:   Re: svn commit: r307626 - head/sys/ufs/ffs
Message-ID:  <CACVs6=9CCd-Xw=0-AG9sND8BLvU4RynAQrV-OaJvGLweq09Akw@mail.gmail.com>
In-Reply-To: <CAJ-VmomPCTvnjrqD%2BMDVnZGGQnSxgFbWbnk05r00YM%2BJhE0wBw@mail.gmail.com>
References:  <20161113071911.GF54029@kib.kiev.ua> <CANCZdfpC6smeNSPKzpbX8aAnF8CZ%2BSEFQmQ74jqvWUVXrttM%2BQ@mail.gmail.com> <20161113075557.GH54029@kib.kiev.ua> <71C512CD-0FB6-40D8-B46C-30467A245693@bsdimp.com> <CACVs6=_zmjJhMzmyFGJGHK1RAguQ_fZUcd94ZEmVEnTXBiOSdQ@mail.gmail.com> <20161113161548.GK54029@kib.kiev.ua> <CAJ-VmomG6e8WVyyuqAkC20fwZ5wX2hnwSE7T4r%2BTSDF%2BOzLCNQ@mail.gmail.com> <CAJ-Vmo=C-pqY4o-r2RXD-m0OxWeDaLpm_zUroeMpwZvLLuuZdg@mail.gmail.com> <20161113190344.GM54029@kib.kiev.ua> <50FE3B7E-8FA4-47DC-BC45-EE75B9FAFC0F@bsdimp.com> <20161113213108.GP54029@kib.kiev.ua> <CAJ-VmonE-zN3TtABdYYVBjnvj=z70D9Yjw001maC2OkiLtB5uQ@mail.gmail.com> <CAJ-VmomPCTvnjrqD%2BMDVnZGGQnSxgFbWbnk05r00YM%2BJhE0wBw@mail.gmail.com>

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On Sun, Nov 13, 2016 at 5:06 PM, Adrian Chadd <adrian.chadd@gmail.com> wrote:
> I'll try it tonight.
>
> It's just unfortunate that it broke a system like this. I understand if it's
> supposed to just work and hasn't. But typically the onus on fixing things is
> on the person who broke behaviour, even if it is due to unrelated issues.

This is not true.  Networking crashes caused by NIC driver bugs do not
get treated that way.

> I'd like to hopefully find some minimal way to keep things working as is
> until a better longer term solution is found, and I would also like to see
> some larger scale testing of things on other platforms so we can catch them
> earlier.

On older kernels you should be able to test sharing memory between
processes, or multiple mmaps of a file, or similar, I guess?



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