Date: Sat, 02 Apr 2011 11:41:07 -0400 From: Boris Kochergin <spawk@acm.poly.edu> To: Kostik Belousov <kostikbel@gmail.com> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org> Subject: Re: Kernel memory leak in 8.2-PRERELEASE? Message-ID: <4D974393.80606@acm.poly.edu> In-Reply-To: <20110402153315.GP78089@deviant.kiev.zoral.com.ua> References: <4D972FF7.6010901@acm.poly.edu> <20110402153315.GP78089@deviant.kiev.zoral.com.ua>
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On 04/02/11 11:33, Kostik Belousov wrote: > 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: >> >> 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 >> ... >> >> And so on. >> >> The machine is: >> >> FreeBSD exodus.poly.edu 8.2-PRERELEASE FreeBSD 8.2-PRERELEASE #2: Thu >> Dec 2 11:39:21 EST 2010 >> spawk@exodus.poly.edu:/usr/obj/usr/src/sys/EXODUS amd64 >> >> 10:13AM up 120 days, 20:06, 2 users, load averages: 0.00, 0.01, 0.00 >> >> The memory line from top intrigued me: >> >> Mem: 16M Active, 48M Inact, 6996M Wired, 229M Cache, 828M Buf, 605M Free >> >> The machine has 8 gigs of memory, and I don't know what all that wired >> memory is being used for. There is a large-ish (6 x 1.5-TB) ZFS RAID-Z2 >> on it which has had a disk in the UNAVAIL state for a few months: >> >> # zpool status >> pool: home >> state: DEGRADED >> status: One or more devices could not be used because the label is >> 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: >> >> 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 >> >> errors: No known data errors >> >> "vmstat -m" and "vmstat -z" output: >> >> http://acm.poly.edu/~spawk/vmstat-m.txt >> http://acm.poly.edu/~spawk/vmstat-z.txt >> >> Anyone have a clue? I know it's just going to happen again if I reboot >> the machine. It is still up in case there are diagnostics for me to run. > Try r218795. Most likely, your issue is not leak. Thanks. Will update to today's 8-STABLE and report back. -Boris
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