Vb3.8.7 PL2 server move creates errors

[Evoir]

Hi,

I recently moved servers, including updating php to 5.4x and found some weird errors. Like images uploaded that are larger than 100kb will not display, and assigning access masks gives an error of Invalid User Specified. I did some research and I find that 3.8.7 PL2 does not like that version of php, so we rolled back last night to php 5.3x

Well, the problem did not subside. both are still present. We are running vB Advanced 3.2.3 which is the correct version for the version of vB we ahve installed.

We did move from a 32 bit environment to a 64 bit envirnment... could that be what's going on?

I don't get any errors, just a few weird behavoirs.

I've matched the server in every other way... in terms of
memory_limit = 128M ; Maximum amount of memory a script may consume (32MB)
upload_max_filesize = 128M
post_max_size = 128M
php used to be PHP 5.2.17 and is now 5.3.
used to be 32bit Cent OS5 now 64 bit Cent OS6

Any suggestions?