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Re: Hibernation woes

Derek Broughton

2008-05-09

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Pastor JW wrote:

> # /etc/fstab: static file system information.
...
> # /dev/sda5
> UUID=52810d5c-61ab-4942-afa2-9e6e953f839d none        swap   sw
...
> Yep, running that command gave me this:
>
> Disk /dev/sda: 14593 cylinders, 255 heads, 63 sectors/track
> Units = cylinders of 8225280 bytes, blocks of 1024 bytes, counting from 0
>
>   Device Boot Start   End  #cyls   #blocks  Id System
> /dev/sda1       0+    7     8-   64228+ de Dell Utility
> /dev/sda2       8   660   653   5245222+  b W95 FAT32
> /dev/sda3  *   661  14020  13360 107314200  83 Linux
> /dev/sda4    14021  14592   572   4594590   5 Extended
> /dev/sda5    14021+ 14592   572-  4594558+ 82 Linux swap / Solaris
>
> So I do have a swap but why are sda4 and sda5 both looking like they
> start
> and end at the same location?  I so far have not found a way to edit
> fstab, ...well I CAN edit it, but I can't save it.

That's perfect. A disk (due to rules dating back to at least the XT and
DOS) can only have 4 _Primary_ partitions. When it was discovered that
perhaps 4 wasn't enough (approximately the same time we found 640K wouldn't
do for memory). So they created "Extended" partitions that can contain
other "Logical" partitions. Your setup has 3 Primaries, 1 Extended, and
then 1 Logical inside the Extended.

So then you should be able to simply change the lines in /etc/fstab:

# /dev/sda5
UUID=52810d5c-61ab-4942-afa2-9e6e953f839d none swap   sw 0 0

to
/dev/sda5 none swap   sw 0 0

(use sudo to edit it if you want to use a non-GUI editor like nano, or
kdesudo to edit it in a gui like kate)

Finally, "sudo swapon -a" should turn on your swap.

> I'm pretty poor at complaining, usually I get to listen to them not make
> them!! ;)

Ah! I suppose that's one of the hazards of your job.
--
derek


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