From owner-freebsd-stable@FreeBSD.ORG Fri Dec 5 00:34:10 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 254684DD for ; Fri, 5 Dec 2014 00:34:10 +0000 (UTC) Received: from anubis.delphij.net (anubis.delphij.net [64.62.153.212]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "anubis.delphij.net", Issuer "StartCom Class 1 Primary Intermediate Server CA" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 0D041F72 for ; Fri, 5 Dec 2014 00:34:09 +0000 (UTC) Received: from zeta.ixsystems.com (unknown [12.229.62.2]) (using TLSv1 with cipher ECDHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by anubis.delphij.net (Postfix) with ESMTPSA id A05DF1A5C1; Thu, 4 Dec 2014 16:34:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=delphij.net; s=anubis; t=1417739649; x=1417754049; bh=yuJIjB2Cp40XfiOnQci+mWlF9QfzQtr+55o3Sx3dq8o=; h=Date:From:Reply-To:To:Subject:References:In-Reply-To; b=f3ymVL9OzOeC2wrjLt0Xb/S6tXlGYtLmAwkEIG7IE2hXxtgFSVSIMe/zEwNlHOuRl BJM5JgADVs4XL4tI4YtdoeinbENYWb/umqaYPsSZVrgd8Di9fPkxSdSzUrTDJNbzpb c2cHUf7aAI/Jd1PuU97zigwcg4iSAqij5proaX2U= Message-ID: <5480FD81.9060203@delphij.net> Date: Thu, 04 Dec 2014 16:34:09 -0800 From: Xin Li Reply-To: d@delphij.net Organization: The FreeBSD Project MIME-Version: 1.0 To: freebsd-stable@freebsd.org Subject: Re: Freed UMA keg Lost pages of memory References: <34C30B88-EB9C-4AF6-B986-257170604F1C@gmail.com> In-Reply-To: <34C30B88-EB9C-4AF6-B986-257170604F1C@gmail.com> Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 Dec 2014 00:34:10 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 On 12/04/14 16:23, George Kola wrote: > We are running FreeBSD 10.1 and we had 4 1 TB SSDs in L2ARC which > we removed and made into a separate zpool. I ran sysctl and noticed > a strange message showing this lost memory. I have pasted output of > sysctl -a |grep UMA. Any idea why this is happening ? Any fixes or > suggested solution ? This may be fixed by r275492 of stable/10. There is a known memory leak in L2ARC code when compression is used. Cheers, - -- Xin LI https://www.delphij.net/ FreeBSD - The Power to Serve! Live free or die -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.1.0 (FreeBSD) iQIcBAEBCgAGBQJUgP19AAoJEJW2GBstM+nsLm4P/RlU/MaNdaUjO447/Anw/5Ok 3GKjVfFP8RbOyO7LyG6lMSOhXS2OWLqFXwLBthF3ISdOKT7pbJLw0Dus6FEJAAYh tU7eIWBsLfiEaloxQmC8J3AutFLRFYkY01Vq3Vh4zeLJoYfbOvSA8Z7d/KYgDOiw Kkjs8uROf7+Op3zx26C4mdryw8D8yxyq6kmbuJwQ6VofblqFu2UtGt5lpXuuJLLh OfixO+mg61hy8hNRLsEZCirSOAWatplha0rdu15Gi/wr/mCSWvi22u/IZ7mmp5di aIouGy/1g6VXoINFpGEHmFX395/NE4bPep3sDhy/TEI8S2hPxJf0bXy99SzRTbiy YPMH1rxougcQXjP27gu2nC6IAWNFQiTJo6h6cV+2XReeMC21IeEaz+yrvWV64AJ1 iNGHTS+RKtgrTjNdYsGdX1OQ+H+s0p4BUf/8MSyhakSJzCJS8wnhet4Qj2+YpfwX SJtG5Ox7TKTJSfmMRJh95aP1uS3I75xNmCmbLrmQ0ytFfjoD4jjz908gc/zwyb3t /pWlzdqLS1Paw8cn+yryrc4uMd0MRGnyOHMKL1Ut00VFjtUrFXhuqkdjDBBBtzzM kHINlkCQ7cfCBnA6T6RvobGZ2MdGNgXnAiahLOtXqTBK3W4Btfqd5JX8WfVlXtwL ONzglteBql7rQZWpEm/x =qzsA -----END PGP SIGNATURE-----