Swap problems

[Backup Monkey]

On Mon, Feb 9, 2009 at 6:31 AM, Dake K. Odzangba <odzangba at gmail.com> wrote:

>  On Sunday 08 February 2009 13:36:33 lee wrote:
>
> > Brian McKee wrote:
>
> > > On Fri, Feb 6, 2009 at 6:30 AM, Dake K. Odzangba <odzangba at gmail.com>
> wrote:
>
> > >> Hello, I do not have a swap partition (or file) because I've got 2GB
> of
>
> > >> physical ram. Yet the output of free tells me:
>
> > >
>
> > > What's in your fstab? and what is the output of 'swapon -s' ?
>
> > >
>
> > > Swap isn't evil you know, just because you have 2 gig of ram doesn't
>
> > > mean swap wouldn't be useful, and having swap is better than not
>
> > > having swap.
>
> > >
>
> > > I'd set up a gig or two of swap in a file or partition if I was you.
>
> > >
>
> > > Brian
>
> >
>
> > It is always better to have a swap partition than not, I have 4gigs of
>
> > ram and still run a swap and have used it on more than occasion.
>
> My fstab looks like so:
>
> > proc /proc proc defaults 0 0
>
> > # /dev/sda1
>
> > UUID=e1e58f09-45f4-4cd5-aa37-22c75f3a0e8c / ext3
> relatime,errors=remount-ro 0 1
>
> > # /dev/sda3
>
> > UUID=34a9d5e0-b42f-48c3-802c-217ddbc33169 /media/silo ext3 relatime 0 2
>
> > /dev/scd0 /media/cdrom0 udf,iso9660 user,noauto,exec,utf8 0 0
>
> > /dev/fd0 /media/floppy0 auto rw,user,noauto,exec,utf8 0 0
>
> And swapon -s says:
>
> > Filename Type Size Used Priority
>
> > /dev/ramzswap0 partition 516080 24628 100
>
> On Sunday 08 February 2009 14:56:19 Smoot Carl-Mitchell wrote:
>
> > Your problem may be a lack of swap space. The vmalloc error messages
>
> > you see are referring to the kernel virtual memory allocator. You are
>
> > either exceeding the size limit for kernel virtual memory or as you try
>
> > to use more kernel virtual memory, you have run out of physical memory
>
> > and there is no place to page out idle user pages to make room for the
>
> > kernel vm pages. kernel vm pages cannot be paged and must remain locked
>
> > in physical memory.
>
> >
>
> > I'd try adding a swap file first and see if that resolves the problem.
>
> Now that I realize what is going on, I'm thinking of bumping my ram up to
> 4gb and adding swap but I still do not like the fact that the system went
> ahead to create and _use_ swap space even after I chose not to use swap. A
> sensible reminder in my logs (or even a pop up) that I need swap space would
> have sufficed... especially since compcache is choking on whatever it's
> choking on.
>
> Thanks for the help. :)
>
> --
>
> Odzangba,
>
> Blog: http://odzangba.wordpress.com
>
> Registered Linux User #431909
>
> Registered Linux Machines: #337242 #363374 #392526
>
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