Date: Sun, 03 Mar 2013 14:10:40 +0000 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Ian Lepore <ian@FreeBSD.org> Cc: deeptech71 <deeptech71@gmail.com>, freebsd-current@FreeBSD.org, Peter Jeremy <peter@rulingia.com> Subject: Re: access to hard drives is "blocked" by writes to a flash drive Message-ID: <52961.1362319840@critter.freebsd.dk> In-Reply-To: <1362318887.1195.221.camel@revolution.hippie.lan> References: <51323712.5000406@gmail.com> <20130303042043.GH286@server.rulingia.com> <1362317291.1195.216.camel@revolution.hippie.lan> <52867.1362317749@critter.freebsd.dk> <1362318887.1195.221.camel@revolution.hippie.lan>
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In message <1362318887.1195.221.camel@revolution.hippie.lan>, Ian Lepore writes : >Hmmm, so the problem has been known and unfixed for 10 years. It's hard to fix, because a lot of stuff has been tangled up cyclically in the disk-I/O relevant layers. The "umapped buf" stuff which is (finally!) happening, is the path to fixing it. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.
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