I have tried the solution as presented here What to do about "the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present"? as well as its original source http://punygeek.blogspot.com/2012/10/ubuntu-1204-how-to-solve-disk-drive-for.html here several times.

What's happening is that every time I reformat my linux-swap with Gparted, it works perfectly well as long as my session lasts. Whenever I reboot, the swap partition becomes "unknown" as displayed in Gparted, needless to say “the disk drive for /dev/mapper/cryptswap1 is not ready yet or not present” is still present.

  • I am still having the problem after running the Punygeek process - it works up to the point where I reboot the system, then comes back with the same error again, and Gparted reports that the linux-swap partition goes back to being unknown. – user293526 Jun 14 '14 at 16:31

Try this if on 12.04, probably work for other distros too. Already answered here:

"Disk drive for dev/mapper/cryptswap 1 is not ready"

You could also look here:


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