8042.c No controller found

[Simon tree]

Hi All
I just installed ubuntu server-9.04-i386 on a Dell cluster node (blade) 64
bit
cpu is  Intel(R) Xeon(R) CPU           E5530  @ 2.40GHz

I can not reboot it
error message is:

[2.7751971]: 8042.c No controller found
Gave up waiting for root device.


But if I just install ubunt 9.04-desktop-i386 version  ,everything is ok! if
I try to update to linux-server pkg.
I also got the problem (can not reboot into  system)

In my opinion : ubuntu server do not support the device on Dell cluster
.right?
Is there anything I can do to fix this problem.
As Ubuntu said it is supporting on cloud computing right, So I thing It
could be installed on cluster .
pls Give me some tips
Thanks with my best regard.


-- 
--
Simon (崔野)

Room C321, Building of Medical Sciences
Tsinghua University,
Haidian Dictrict, Beijing, 100084
China
86-10-62794737 (office)
tel:13671119280
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