Public bug reported:

upgraded 10.04 to 10.10 with the graphical interface (update-manager -d).
after the upgrade boot is very slow and seems to hang at hard drive(?) 
recognition and fsck.
system: Lenovo S12, with nVidia Corporation MCP79 motherboard.
* some delay was caused by upstart scripts that were launching rpc calls over a 
non mounted /var partition (/var/lib/nfs was not accessible): fixed with a 
manual inclusion of a "local-filesystems" condition in the "start on" entry in 
the /etc/init/*conf files.
* wireless (Broadcom Corporation BCM4312 802.11b/g LP-PHY (rev 01)) was after 
the upgrade incorrectly configured with both its driver (STA) and acer-wmi, 
causing a soft block entry in "rfkill list". Solved blacklisting acer-wmi in 
/etc/modprobe.d/blacklist.conf

with this, the boot time went down from 5+ minutes to 180+ seconds, but now the 
issue seems hard disk recognition.
reinstalling udev didn't cause any change (sudo dpkg -P --force-depends udev && 
sudo apt-get install udev).

attached: lspci, lshw, bootchart logo

** Affects: ubuntu
     Importance: Undecided
         Status: New

-- 
[maverick 10.10] nvidia motherboard. boot hangs for more than 3 minutes. ok on 
lucid 10.04
https://bugs.launchpad.net/bugs/661710
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