Date: Fri, 24 Sep 2004 23:47:06 +0200 From: "Poul-Henning Kamp" <phk@phk.freebsd.dk> To: Lukas Ertl <le@freebsd.org> Cc: freebsd-geom@freebsd.org Subject: Re: Outstanding I/O after 10 seconds Message-ID: <54596.1096062426@critter.freebsd.dk> In-Reply-To: Your message of "Fri, 24 Sep 2004 17:15:37 %2B0200." <20040924171245.Q549@pcle2.cc.univie.ac.at>
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In message <20040924171245.Q549@pcle2.cc.univie.ac.at>, Lukas Ertl writes: >Hi there, > >I've now seen several times the following messages: > >WARNING: Final close of geom_dev(da9s1a) still has outstanding I/O after >10 seconds. Completing close anyway, panic may happen later. > >This happens when I run benchmarks on the specified device (like rawio). >The strange thing is that when I look at what triggers this message, then >cp->nstart is one less than cp->nend, like there was an additional >g_io_deliver() on a bio. > >Any ideas why cp->nend would be larger than cp->nstart? A bug. A very serious bug. Likely a double biodone(). -- 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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