Date: Tue, 27 Feb 2007 22:53:51 +0200 From: Alex Kozlov <spam@rm-rf.kiev.ua> To: Mikhail Teterin <mi+kde@aldan.algebra.com> Cc: stable@freebsd.org Subject: Re: panic: kmem_malloc(16384): kmem_map too small: md-mounted /tmp filled up Message-ID: <20070227205351.GA72597@ravenloft.kiev.ua>
next in thread | raw e-mail | index | archive | help
On Tue, Feb 27, 2007 at 02:48:11PM -0500, Mikhail Teterin wrote: > On Tuesday 27 February 2007 11:41, Alex Kozlov wrote: > = On Tue, Feb 27, 2007 at 10:59:08AM -0500, Mikhail Teterin wrote: > = > /tmp's space allocation (after reboot) is as follows: > = > > = > Filesystem 1K-blocks Used Avail Capacity Mounted on > = > /dev/md0 2026030 3552 1860396 0% /tmp > = > > = > Note, that it is supposed to hold 2Gb, but was filled up and paniced > = > holding about 300Mb... Probably, because it is created with ``-M'' > = > by default -- but it is not supposed to panic anyway! > = You may want to set -o reserve option. Or better, switch to a swap backed > = md. > > Yes, I switched to swap-backed md already. But the malloc-based variety is > currently the _default_ (see /etc/defaults/rc.conf)... Bad default. Anyway, you may wish to change tmpmfs_flags on something like that: "-S -m0 -o async,nosymfollow,nosuid" > Creation of a 2Gb malloc-based md should've failed on a machine with 768Mb of > RAM, shouldn't it have? Only if you set '-o reserve'. Memory for malloc-based md was allocated dynamically. -- Adios
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20070227205351.GA72597>