On Saturday 04 September 2010 13:20:06 Philip Webb wrote:
> Today -- some time after most other users (smile) -- I ran into bug 291916
> . I updated my Asus EEE netbook to Baselayout 1.12.13 & got the messages
> "assuming udev failed somewhere, as /dev/zero does not exist" etc ;
> downgrading back to Baselayout 1.12.11.1 solved the problem.
> I've been using 1.12.13 on the desktop since 2009-11-14 w/o problems.
> 
> The bug suggests booting from a live USB & emptying  /sys ,
> but that seems awkward & hardly the long-term solution.
> What is the current proper practice when upgrading to Baselayout 1.12.13 ?
> 
> Or is the best solution to move to Baselayout 2 ?
> What are others' experiences ?

I did not have this problem on two x86 and one amd64 systems.  My amd64 box 
has:

$ cat /usr/src/linux/.config | grep CONFIG_SYSFS
# CONFIG_SYSFS_DEPRECATED_V2 is not set
CONFIG_SYSFS=y

Isn't this simply a matter of configuring your kernel accordingly?
-- 
Regards,
Mick