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Re: Problems with crypto-patches in kernel 2.4.21??

Hi,

I have been digging the mailinglist archives a bit
further. I know this is way old stuff, but the symtoms
described there are just those I experience since
upgrading to 2.4.21 kernel:

http://mail.nl.linux.org/linux-crypto/2001-02/msg00001.html
> I can confirm this.  The system totally locks when
this occurs.  I let
> it sit all night when it did this the last time, and
it didn't
> recover.

In the article, it's referred to as: "loopback hang"
bug.

Any help very much appreciated.

thomas


--- Thomas  M黮ler  <etwcn@yahoo.com> wrote:
> Hi,
> I am using kernel 2.4.21 with the corresponding
> crypto-patches (patch-int-2.4.21.0.bz2) and
> loop-patch
> (loop-jari-2.4.21.0.patch). When writing a large
> amount of data to an encrypted folder residing in a
> single file, the complete system crashes.
> 
> I am doing the following:
> 
> # dd if=/dev/urandom of=~/.crypto bs=1024 count=2048
> # losetup -e aes -k 256 /dev/loop0 ~/.crypto
> # mke2fs /dev/loop0
> # mount /dev/loop0 ~/crypto
> # cp -a ~/unencrypted_folder ~/crypto
> 
> After a few minutes of copying data there is no more
> harddisk activity but the last cp command does not
> complete. Any services on the machine (sshd, httpd,
> ftpd) are no longer reachable. It is possible to
> type
> the user name after the login prompt at the local
> console, but pressing enter then does not give the
> prompt for the password. The kernel is still routing
> ip packets though.
> 
> I eventually have to press the reset button.
> 
> Any clues?
> 
> 
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Linux-crypto:  cryptography in and on the Linux system
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