The following reply was made to PR kern/178997; it has been noted by GNATS.
From: Klaus Weber <fbsd-bugs-201...@unix-admin.de>
To: Bruce Evans <b...@optusnet.com.au>
Cc: Klaus Weber <fbsd-bugs-201...@unix-admin.de>,
freebsd-gnats-sub...@freebsd.org
Subject: Re: kern/178997: Heavy disk I/O may hang system
Date: Mon, 10 Jun 2013 18:38:19 +0200
Just a quick reply while I am away from the system.
On Mon, Jun 10, 2013 at 11:00:29AM +1000, Bruce Evans wrote:
> o Everything seems to be working as well as intended (not very well)
> except in bufdaemon and friends. Perhaps it is already fixed there.
> I forgot to check which version of FreeBSD you are using. You may
> be missing some important fixes. There were some by kib@ a few
> months ago, and some by jeff@ after this thread started. I don't
> run any version of FreeBSD new enough to have these, and the version
> that I run also doesn't seem to have any serious bugs in bufdaemon.
> It just works mediocrely.
~All tests were done with 9-STABLE from early May. I also tested with
10-CURRENT kernel, downloaded from an ftp mirror on May 5th,
2013. This kernel showed the same behavior, so I did all further
testing with the 9-STABLE version.
I will update my sources to 9-STABLE first thing next weekend, and
will also re-test with an up-to-date CURRENT kernel.
Klaus
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