Public bug reported:
I am preparing for deployment of Ubuntu 10.04 on servers. We deploy Ubuntu
using the netboot image, on a PXE server.
Two particular systems have been troublesome for us. Note that we are using the
latest netboot image (dated from this morning).
Steps to reproduce:
-Boot on netboot image
-Install Ubuntu. (we are using a preseed file, attached).
-After installation, the system reboots.
-The BIOS hangs after detecting hard disks, right after:
Ultra DMA Mode-5, S.M.A.R.T. Capable and Status OK
Now, there is nothing we can do. I would normally not file a bug against
Ubuntu for this, but I have never seen this before. Installing Ubuntu
Karmic or even Hardy works perfectly. Using a disk installed on such a
motherboard in a newer one (different model) works 100%. Using Lucid
installed in a newer board on this motherboard model does the same
thing.
It looks like Ubuntu does something with the disk that 2 different
motherboards dislike.
The affected motherboards are:
-Asus P5P800-MX (Intel 865GV chipset)
-Asus P5GZ-MX (Intel 945GZ chipset)
I have tried updating BIOS versions without success.
These 2 boards have very similar BIOS interfaces (AMIBIOS). I have tried
modifying SMART detection settings without success.
The same installation works on these much newer motherboard:
Supermicro C2SBM-Q
Asus M4A785-M
We have tested this on multiple affected motherboards (all same model),
with the same results all the time.
I think this is pretty important for the final release, as this would be
a problem to many people with older hardware.
** Affects: ubuntu
Importance: Undecided
Status: New
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BIOS hang - Unable to boot after installation
https://bugs.launchpad.net/bugs/551965
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