On Thu, Sep 20 2001, Jari Ruusu wrote:
> "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.
sleeping in make_request_fn is not a nasty in itself, btw. in fact loop
just needs an emergency page pool for swap to be perfectly safe.
-- Jens Axboe- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Sun Sep 23 2001 - 21:00:36 EST