Date: Sat, 2 Apr 2011 18:33:15 +0300 From: Kostik Belousov <kostikbel@gmail.com> To: Boris Kochergin <spawk@acm.poly.edu> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: Kernel memory leak in 8.2-PRERELEASE? Message-ID: <20110402153315.GP78089@deviant.kiev.zoral.com.ua> In-Reply-To: <4D972FF7.6010901@acm.poly.edu> References: <4D972FF7.6010901@acm.poly.edu>
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--dKHLzz1xuYXI/NqC Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sat, Apr 02, 2011 at 10:17:27AM -0400, Boris Kochergin wrote: > Ahoy. This morning, I awoke to the following on one of my servers: >=20 > pid 59630 (httpd), uid 80, was killed: out of swap space > pid 59341 (find), uid 0, was killed: out of swap space > pid 23134 (irssi), uid 1001, was killed: out of swap space > pid 49332 (sshd), uid 1001, was killed: out of swap space > pid 69074 (httpd), uid 0, was killed: out of swap space > pid 11879 (eggdrop-1.6.19), uid 1001, was killed: out of swap space > ... >=20 > And so on. >=20 > The machine is: >=20 > FreeBSD exodus.poly.edu 8.2-PRERELEASE FreeBSD 8.2-PRERELEASE #2: Thu=20 > Dec 2 11:39:21 EST 2010 =20 > spawk@exodus.poly.edu:/usr/obj/usr/src/sys/EXODUS amd64 >=20 > 10:13AM up 120 days, 20:06, 2 users, load averages: 0.00, 0.01, 0.00 >=20 > The memory line from top intrigued me: >=20 > Mem: 16M Active, 48M Inact, 6996M Wired, 229M Cache, 828M Buf, 605M Free >=20 > The machine has 8 gigs of memory, and I don't know what all that wired=20 > memory is being used for. There is a large-ish (6 x 1.5-TB) ZFS RAID-Z2= =20 > on it which has had a disk in the UNAVAIL state for a few months: >=20 > # zpool status > pool: home > state: DEGRADED > status: One or more devices could not be used because the label is=20 > missing or > invalid. Sufficient replicas exist for the pool to continue > functioning in a degraded state. > action: Replace the device using 'zpool replace'. > see: http://www.sun.com/msg/ZFS-8000-4J > scrub: none requested > config: >=20 > NAME STATE READ WRITE CKSUM > home DEGRADED 0 0 0 > raidz2 DEGRADED 0 0 0 > ada0 ONLINE 0 0 0 > ada1 ONLINE 0 0 0 > ada2 ONLINE 0 0 0 > ada3 ONLINE 0 0 0 > ada4 ONLINE 0 0 0 > ada5 UNAVAIL 0 85 11 experienced I/O failures >=20 > errors: No known data errors >=20 > "vmstat -m" and "vmstat -z" output: >=20 > http://acm.poly.edu/~spawk/vmstat-m.txt > http://acm.poly.edu/~spawk/vmstat-z.txt >=20 > Anyone have a clue? I know it's just going to happen again if I reboot=20 > the machine. It is still up in case there are diagnostics for me to run. Try r218795. Most likely, your issue is not leak. --dKHLzz1xuYXI/NqC Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (FreeBSD) iEYEARECAAYFAk2XQbsACgkQC3+MBN1Mb4jsWQCfcIagL5WRwCFMO0MjDSO7Sf4Z z2EAni1sRLol/5WiFUIymo5h4TyulXCL =uPoF -----END PGP SIGNATURE----- --dKHLzz1xuYXI/NqC--
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