Re: loopback device + crypto = crash on 2.6.0-test7 ?

From: Peter Lieverdink
Date: Tue Jan 06 2004 - 05:39:19 EST


On Tue, 2003-11-11 at 10:27, Peter Lieverdink wrote:
> At 09:41 11/11/2003, you wrote:
> >In article <20031109131018.GA18342@xxxxxxxxxxxxx>,
> >Florian Weimer <fw@xxxxxxxxxxxxx> wrote:
> >| Soeren Sonnenburg wrote:
> >|
> >| > losetup -e blowfish /dev/loop0 /file
> >| > Password:
> >| > mkfs -t ext3 /dev/loop0
> >| > mount /dev/loop0 /mnt
> >| > <error unknown fs type>
> >| > <from here something was seriously broken... could not reboot anymore>
> >|
> >| I'm seeing something similar, but in my case, mke2fs already crashes.
> >|
> >| > system is:
> >| > Linux no 2.6.0-test7 #8 Sun Oct 26 17:00:49 CET 2003 ppc GNU/Linux
> >|
> >| Mine ist -test9 on x86.
> >|
> >| Have you found a solution in the meantime?
> >
> >I have been using aes and not seeing this. I suppose it's unlikely that
> >there could be an error in the kernel crypto, but I think I'll wait and
> >try blowfish on a non-critical machine.
>
> My solution has been to not use cryptofs, it crashes with whatever
> algorithm I choose :-(

I've been using 'highmem=off' until now, which provided a workaround.
Just built 2.6.1-rc1-mm2 and cryptloop+highmem works as it should now.

- peter.

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