Date: Sat, 17 Sep 2005 20:59:10 -0700 From: snacktime <snacktime@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: server locks up when unable to allocate swap Message-ID: <1f060c4c050917205944b0aba6@mail.gmail.com> In-Reply-To: <432C893A.3080503@mac.com> References: <1f060c4c05091711577de1e539@mail.gmail.com> <432C893A.3080503@mac.com>
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On 9/17/05, Chuck Swiger <cswiger@mac.com> wrote: >=20 > snacktime wrote: > > A FBSD 4.7 server this morning locked up and when I got to the data=20 > center I > > found a bunch of IO error messages saying the pager couldn't allocate= =20 > needed > > swap space (or something close to that). Unfortunately these messages= =20 > didn't > > get logged anywhere that I could find and I didn't have anything on me= =20 > to > > write them down. The server has 500mb ram and is usually using about 70= %=20 > of > > that. The server didn't panic, but the console was not responsive so I= =20 > had > > to do a cold reboot. Everything came back up fine. > > > > Any ideas on how to debug this further? >=20 > You ran out of swapspace, probably. How big is your swap partition, and= =20 > did > you notice unusually high number of processes running? 1 GB swap, 500mb ram. I looked in the logs for all the processes that were= =20 running and couldn't find anything out of the ordinary. My feeling is that = I=20 ran out of swap also, although it's bugging me because I can't yet find wha= t=20 caused it. You are running a version of FreeBSD which is significantly out-of-date, an= d > you ought to consider updating to 4.11. You should also update your ports= =20 > or > at least run portaudit to see whether the Apache, MySQL, and so forth are= =20 > OK. All the ports are up to date. I've been putting off upgrading the server,= =20 but it does have most of the security patches applied. Chris -- > -Chuck >
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