Re: encrypted swap on loop in 2.4.10-pre12?

[Jari Ruusu]

"steve j. kondik" wrote:
> i've been using encrypted swap over loopdev using the new cryptoapi
> patches.  i just built a 2.4.10-pre12 kernel and i got a panic doing
> mkswap on the loopdev.  the mkswap process becomes unkillable after this
> and never finishes.  this is repeatable everytime.  i've had no problems
> whatsoever until this kernel even under high load..  any ideas? :>

Cryptoapi can't be used to encrypt swap. It has nasties like sleeping in
make_request_fn() and potential memory allocation deadlock.

loop-AES works with encrypted swap. Announcement is here:

    http://mail.nl.linux.org/linux-crypto/2001-09/msg00006.html
    http://marc.theaimsgroup.com/?l=linux-crypto&m=99953544804810&w=2

Regards,
Jari Ruusu <[e-mail]>