Fatal trap 9 on Freebsd 5.3/amd64

[T.F. Cheng]

Hi, please help. I just upgraded my CPU/mobo to amd64
/Asus A8V delux yesterday. Still running the 32-bit
freebsd5.3 , everything worked except the NIC, I
thought to myself that probably is because my source 
is not the latest,  from what I understand, this issue
has been solved. So with the help from another NIC, I
upgraded the system by  cvsup. then is make
buildworld/buildkernel, etc. After the 2nd reboot into
the default mode, my system hang on booting. I disable
the ACPI in BIOS and chose "2" when booting,  this
Fatal trap 9 error   showed up with some messages
(sorry didn't copy all down), any advice is
appreciated. thansk! 

TFC

=====
Best Regards,

Tsu-Fan Cheng

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