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From: davidsen@tmr.com (bill davidsen)
Newsgroups: mail.linux-kernel
Subject: Re: loopback device + crypto = crash on 2.6.0-test7 ?
Date: 10 Nov 2003 23:46:24 GMT
Organization: TMR Associates, Schenectady NY
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References: <bop47i$7eg$1@gatekeeper.tmr.com> <6.0.0.22.2.20031111101721.01bde418@caffeine.cc.com.au>
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In article <6.0.0.22.2.20031111101721.01bde418@caffeine.cc.com.au>,
Peter Lieverdink  <linux@cafuego.net> wrote:
| 
| At 09:41 11/11/2003, you wrote:
| >In article <20031109131018.GA18342@deneb.enyo.de>,
| >Florian Weimer  <fw@deneb.enyo.de> 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 agree that something is very broken, though. Mind you, I can only 
| replicate this problem on one of my machines - the other one I've tried it 
| on seems to work fine. Odder still, when I compile a kernel on the machine 
| which is fine and ruin said kernel on the machine which is not fine, I 
| don't experience the crash.

Compiler version problem? In any case it sounds as if you have a
solution for the moment.
-- 
bill davidsen <davidsen@tmr.com>
  CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.