From owner-freebsd-current@FreeBSD.ORG Mon Oct 8 17:18:13 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9333716A417 for ; Mon, 8 Oct 2007 17:18:13 +0000 (UTC) (envelope-from kometen@gmail.com) Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.233]) by mx1.freebsd.org (Postfix) with ESMTP id 4FE6213C48D for ; Mon, 8 Oct 2007 17:18:12 +0000 (UTC) (envelope-from kometen@gmail.com) Received: by wr-out-0506.google.com with SMTP id 70so617128wra for ; Mon, 08 Oct 2007 10:18:11 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=DFqOBvECxVKQzhVij+f+RDRd6rcieximN8lGL0C9N68=; b=bsZUEtcC0S7M8kabIsDAUYNj5imp2zaMa7TaqpxmoT9kuKu2NYd6u5RSIqjOgMACliUJvrhopTJlB+A5b+4CccuDclT4fiIb9JaFXxPI+Vbhr/pfEYnGMMXOZhs3vT7WTV5fD8YoOd01DhYZWHcbJ/eR++OWTiDlvgI7jOeIAEI= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=lCyhIjEDU0m7klQn/8Ox33YeGONoFXyXgAi+GZWl4brhbHPkm/QFrLzEo9zVd7higDOa4xthhj7HAa77kvm7rmgBstyXvzghbhR0I/220fY0Wt+9D8dcJa0bRzjJTS3oqcYXC/fuiC2raT3x5TyXIt6ZD2UM9khp9A/ixECTM6I= Received: by 10.78.193.5 with SMTP id q5mr10781511huf.1191863890340; Mon, 08 Oct 2007 10:18:10 -0700 (PDT) Received: by 10.78.146.10 with HTTP; Mon, 8 Oct 2007 10:18:10 -0700 (PDT) Message-ID: Date: Mon, 8 Oct 2007 19:18:10 +0200 From: "Claus Guttesen" To: "Pawel Jakub Dawidek" In-Reply-To: <20071008121523.GM2327@garage.freebsd.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20071005000046.GC92272@garage.freebsd.pl> <20071008121523.GM2327@garage.freebsd.pl> Cc: freebsd-fs@freebsd.org, freebsd-current@freebsd.org Subject: Re: ZFS kmem_map too small. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 08 Oct 2007 17:18:13 -0000 > I was able to reproduce the panic by rsyncing big files and trying > bonnie++ test suggested in this thread. > > Can you guys retry with this patch: > > http://people.freebsd.org/~pjd/patches/vm_kern.c.2.patch > > It's a hack, yes, but allows to mitigate the problem quite well. I'm > looking for a solution that can be used for 7.0 before we find a better > fix. Congrats Pawel! You made my server survive my rsync of 90 GB. :-) This is on same src as the one that required a reboot except for your patch. So this fix does 'alleviate kmem_map too small' in my case. -- regards Claus When lenity and cruelty play for a kingdom, the gentlest gamester is the soonest winner. Shakespeare