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SubjectBig problem with linux-2.0.33, gcc-2.8.0 and iopl()

Need URGENT help!
I upgraded to gcc 2.8.0 and after a kernel recompilation,
the X refused to startup -- Xserver core dumped! I traced the problem
up to an outb() call. The problem is related with the iopl()
call. After an iopl(3), any inb() causes a seg fault! The same inb()
preceeded by an appropriate ioperm() works fine. I don't have a clue
what is happening. Any help is greatly appreciated.

Thanks,

--

*** Rodrigo Martins de Matos Ventura, alias <Yoda>
*** yoda@isr.ist.utl.pt, http://www.isr.ist.utl.pt/~yoda
*** Instituto de Sistemas e Robotica, Polo de Lisboa
*** Instituto Superior Tecnico, Lisboa, Portugal
*** PGP Public Key available on my homepage
*** Key fingerprint = 0C 0A 25 58 46 CF 14 99 CF 9C AF 9E 10 02 BB 2A


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