[pkg-cryptsetup-devel] Bug#536415: Bug#536415: cryptsetup: opening LUKS partitions takes several seconds

[Jonas Meurer]

Hey,

On 09/07/2009 Marcus Better wrote:
> During boot, it takes around five seconds to unlock each
> LUKS-encrypted LVM partition on my Thinkpad T61 with a 160 GB Western
> Digital SATA disk. This is horrible for the boot time since I have six
> encrypted partitions.
> 
> Oddly enough it takes around two seconds on a very similar Thinkpad
> R60 with an 80 GB drive.
> 
> I also tried creating a 4 MB LVM volume and set up LUKS encryption on
> the running system. Opening it takes around two seconds, and this is
> without even clearing the cache between tests.

I can imagine that this is due to udevsettle being invoked everytime
cryptsetup is run. This has been changed in subsequent releases. Could
you give the packages at http://people.debian.org/~mejo/cryptsetup/ a
try and report whether they fix your problem?

greetings,
 jonas
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 197 bytes
Desc: Digital signature
URL: <http://lists.alioth.debian.org/pipermail/pkg-cryptsetup-devel/attachments/20090713/33e2daf7/attachment.pgp>