Date: Fri, 19 Mar 2004 04:10:48 -0600 From: Jon Noack <noackjr@alumni.rice.edu> To: Sven Willenberger <sven@dmv.com> Cc: freebsd-current@freebsd.org Subject: Re: kmem_map too small, revisited Message-ID: <405AC728.5080709@alumni.rice.edu> In-Reply-To: <1079481174.23552.136.camel@lanshark.dmv.com> References: <1079446098.23554.49.camel@lanshark.dmv.com> <20040316152013.GA82071@walton.maths.tcd.ie> <1079452815.23554.69.camel@lanshark.dmv.com> <1079468317.23554.98.camel@lanshark.dmv.com> <20040316233119.GA97616@lanczos.maths.tcd.ie> <1079481174.23552.136.camel@lanshark.dmv.com>
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On 3/16/2004 5:52 PM, Sven Willenberger wrote: > On Tue, 2004-03-16 at 18:31, David Malone wrote: >>On Tue, Mar 16, 2004 at 03:18:37PM -0500, Sven Willenberger wrote: >>>What exactly is "cred" and how would I go about finding out a) if that >>>first set of numbers is completely out of line and b) what is causing it >>>to go so high if it is in fact out of whack. >> >>cred is for the credentials of an object (who created it, so the >>kernel knows what it is permitted to do). A leak of cred objects >>related to tcp connections was fixed on the 19th of Feb in -current >>and was merged before the release of 5.2. Is the code you are >>running recent enough to have this fix? > > I assume you mean 5.2.1? If so, then this bodes quite well actually. > From the previous reply in which the cred reading was extremely high it > looks like the build date was just prior to the commit: > > FreeBSD host.dmv.com 5.2.1-RC2 FreeBSD 5.2.1-RC2 #0: Thu Feb 19 11:19:04 EST 2004 > > I will update the other machines in this cluster immediately to > 5.2.1-Release (cvsup'ing with a release tag of RELENG_5_2 should > suffice, yes?) if they are not already. Since these machines are heavy > in tcp connections and run under various users (defang, mailnull, etc) > your explanation makes absolute sense in light of the repaired leak. I > hope this does the trick :-) RELENG_5_2 is the correct tag. The fix was included in 5.2.1-RELEASE. The original fix on Feb 19: http://lists.freebsd.org/pipermail/cvs-src/2004-February/018888.html The MFC to RELENG_5_2 on Feb 23: http://lists.freebsd.org/pipermail/cvs-src/2004-February/019147.html Jon
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