Re: swap file for linux stopped working: mail #2

[Johan Ihren <johani%johani.org@localhost>]

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Hi,

On 6 Oct 2008, at 21:26, Marcin M. Jessa wrote:

> > I used to create a separate SWAP file for linux and define it in my  
> > domU config:
> > disk = [ 'file:/linux/ubuntu.img,0x301,w','file:/linux/ 
> > swap.img,sda2,w' ]
> > Then just defined swap device as hda2 in linux's fstab.
> > But this does not seem to work anymore but I am actually not sure  
> > when it stopped working since I until now
> > didn't use linux domU to anything serious.
> > Any idea what may have broken this config and how to make this work  
> > again?
> I forgot to mention one thing. The root device on Linux is sda1 and  
> the swap device is sda2.
> Trying to initialize it manually I get following error:
>
> # swapon  -a
> swapon: /dev/sda2: No such device or address
>
> # ls -l /dev/sda2
> brw-rw---- 1 root root 8, 2 Sep 28  2007 /dev/sda2

Just to make sure: you have made sure that the swap file has the magic  
swap signature that Linux requires? I seem to remember that I needed  
to "mkswap /dev/sda2" or similar before the first attempt to swapon  
last time I had to run a Linux DOMU with swap.

Regards,

Johan

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