update-grub error {cannot find device for /} is /dev mounted ?

[Xen]

Liam Proven schreef op 18-08-2017 13:00:
> On 14 August 2017 at 19:45, Sreyan Chakravarty 
> <sreyan.mailing at gmail.com> wrote:
>> I am landing up with a partition called cryptswap1 after installation
>> strangely.
> 
> You don't _need_ a swap partition.

You need a swap partition if you want to hibernate.

Unfortunately Linux does not do hibernation very well these days and on 
my older motherboards Windows also is failing lately. Where are the good 
times?