Swap Space Not Being Used?
Rick Bilonick
rab at nauticom.net
Fri Sep 22 04:27:20 UTC 2006
On Thu, 2006-09-21 at 16:04 -0600, Charles Curley wrote:
> On Thu, Sep 21, 2006 at 05:33:40PM -0400, RICHARD wrote:
> > I'm using FC4 on a Dell Inspiron 2200 (for over 1 year). OOo has started
> > crashing when working with inserting large picture files (although I've
> > worked with them in the past without problem). I noticed in xosview that
> > the physical memory (0.5GB) quickly goes up near the maximum and then OOo
> > exits. I also noticed that the swap space (which I believe is about 1GB)
> > always shows exactly zero. (On a 2gb memory dual opteron system, xosview
> > reports 845mb.) Shouldn't xosview show some swap space being used?
>
> I don't know about xosview, as I don't use it. But free might or might
> not show any swap in use during normal usage. e.g:
>
> $ free -m
> total used free shared buffers cached
> Mem: 1519 1484 35 0 193 852
> -/+ buffers/cache: 437 1081
> Swap: 4094 1 4093
>
> shows four GB of swap mounted and one megabyte of swap in use.
>
> # free -m
> total used free shared buffers cached
> Mem: 234 230 4 0 26 60
> -/+ buffers/cache: 143 91
> Swap: 0 0 0
>
> shows swap off.
>
> >
> > Here is the partition table reported by fdisk:
> >
>
> > Device Boot Start End Blocks Id System
>
> > /dev/hda6 2570 2697 1028128+ 82 Linux swap /
> > Solaris
>
> > Any ideas on how I can check on whether swap is being used and/or turn
> > sway back on if it is actually not being used?
>
> First, to ensure that swap is turned on at boot, be sure it is in
> /etc/fstab. e.g I have:
>
> LABEL=SWAP-hda6 swap swap defaults 0 0
>
> or maybe, if you aren't a fan of disk labels:
>
> /dev/hda6 swap swap defaults 0 0
>
> Then simply run:
>
> swapon /dev/hda6
>
> to get it running. No response, in Unix tradition, indicates
> success. If swap is already enabled on that partition, you'll see:
>
> # swapon /dev/hda6
> swapon: /dev/hda3: Device or resource busy
>
> --
> fedora-list mailing list
> fedora-list at redhat.com
> To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list
I can't get swapon to work and I'm sure swap is off.
[root at ophth-bilora chippy]# free -m
total used free shared buffers
cached
Mem: 495 487 7 0 26
203
-/+ buffers/cache: 258 237
Swap: 0 0 0
[root at ophth-bilora chippy]# /sbin/swapon /dev/hda6
swapon: /dev/hda6: Invalid argument
[root at ophth-bilora chippy]# cat /etc/fstab
# This file is edited by fstab-sync - see 'man fstab-sync' for details
/dev/VolGroup00/LogVol00 / ext3 defaults
1 1
LABEL=/boot /boot ext3 defaults
1 2
/dev/devpts /dev/pts devpts gid=5,mode=620
0 0
/dev/shm /dev/shm tmpfs defaults
0 0
/dev/proc /proc proc defaults
0 0
/dev/sys /sys sysfs defaults
0 0
LABEL=SWAP-hda6 swap swap defaults
0 0
/dev/hda2 /mnt/windows ntfs ro,umask=0222
0 0
/dev/hdb /media/cdrecorder auto
pamconsole,exec,noauto,managed 0 0
Here is what dmesg shows:
Kernel command line: ro root=/dev/VolGroup00/LogVol00 rhgb quiet
resume2=swap:/dev/hda6
audit(1158897380.741:4): avc: denied { unlink } for pid=1852
comm="swapon" name="blkid.tab.old" dev=dm-0 ino=1733754
scontext=system_u:system_r:fsadm_t tcontext=root:object_r:etc_t
tclass=file
Unable to find swap-space signature
Unable to find swap-space signature
Unable to find swap-space signature
Unable to find swap-space signature
Unable to find swap-space signature
Unable to find swap-space signature
A few days ago (right before this problem started), I installed acpitool
and I tried to do a suspend (which didn't work). I think that screwed
something up!
Rick B.
More information about the fedora-list
mailing list