Re: encrypted swap on loop in 2.4.10-pre12?

From: Michael H. Warfield (mhw@wittsend.com)
Date: Thu Sep 20 2001 - 13:59:50 EST


On Thu, Sep 20, 2001 at 08:55:11PM +0300, Jari Ruusu wrote:
> "steve j. kondik" wrote:
> > hmm? both cryptoapi and loop-aes work just fine when encrypting
> > anything but swap. this is _only_ with kernel 2.4.10-pre12. i would
> > suspect something changed that breaks swap on loopdev in general in this
> > kernel.

> loop-AES encrypted swap works just fine on 2.4.10-pre12, see:

        But that's only your system. He obvious has a counter example
(which may not be the fault of loop-AES, but something else, that has
yet to be determined). So the two of you are now reduced to figuring
out why his is broken as yours is not. Standard debugging situation.

> # uname -a
> Linux debian 2.4.10-pre12 #1 Thu Sep 20 20:15:08 EEST 2001 i686 unknown
> # vmstat
> procs memory swap io system cpu
> r b w swpd free buff cache si so bi bo in cs us sy id
> 0 0 1 4708 2708 1824 12856 19 28 682 623 223 119 5 74 21
> # swapon -s
> Filename Type Size Used Priority
> /dev/loop6 partition 191512 4704 -1
> # losetup /dev/loop6
> /dev/loop6: [0301]:170184 (/dev/hda2) offset 0, AES encryption

> Regards,
> Jari Ruusu <jari.ruusu@pp.inet.fi>

        Mike

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