From owner-freebsd-stable Tue Jan 22 15:46: 7 2002 Delivered-To: freebsd-stable@freebsd.org Received: from resnet.uoregon.edu (resnet.uoregon.edu [128.223.122.47]) by hub.freebsd.org (Postfix) with ESMTP id 7494D37B400 for ; Tue, 22 Jan 2002 15:46:00 -0800 (PST) Received: from localhost (dwhite@localhost) by resnet.uoregon.edu (8.11.3/8.10.1) with ESMTP id g0MNkOI14934; Tue, 22 Jan 2002 15:46:24 -0800 (PST) Date: Tue, 22 Jan 2002 15:46:24 -0800 (PST) From: Doug White To: Sergey Gershtein Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Strange lock-ups during backup over nfs after adding 1024M RAM In-Reply-To: <20020122153919.O12940-100000@resnet.uoregon.edu> Message-ID: <20020122154552.U12940-100000@resnet.uoregon.edu> X-All-Your-Base: are belong to us MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Tue, 22 Jan 2002, Doug White wrote: > On Tue, 22 Jan 2002, Sergey Gershtein wrote: > > > Our server runs FreeBSD 4.4-STABLE. Until recently everything was > > ok, but when we increased the amount of RAM from 1024Mb to 2048Mb > > strange lock-ups started to happen. All lock-ups happened at night > > where activity was pretty low. We run backup over nfs nightly, and > > there is a good chance it is nfs that causes the problem. When the > > lock-ups happen backup is usually somewhere in the middle and after > > the server is restarted backup finishes ok. On second thought, post your kernel config. It's possible to set a few things *too* high and have them blow up when you install the RAM and the page tables & other data structures double in size... Doug White | FreeBSD: The Power to Serve dwhite@resnet.uoregon.edu | www.FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message