Re: Kernel completely crashes after accessing an unmapped area.

2009-01-08 Thread Ricardo
Hello Benjamin Thank you very much for your help. You are completely right, once I have fixed the cputable everything worked like a charm. I have reviewed the last git version and it seems solved there, so I wont publish the patch in git format ( to avoid confusions) Best re

Re: Kernel completely crashes after accessing an unmapped area.

2008-11-21 Thread Benjamin Herrenschmidt
On Wed, 2008-11-19 at 13:59 +0100, Ricardo wrote: > Hello All: > > I am using the paulus tree popwerpc linux kernel for a ppc440 cpu > located in a Virtex5 FPGA. > > While developing some drivers (a simple gpio device) I have notice > that if I try to access an unmapped area (an address witho

Kernel completely crashes after accessing an unmapped area.

2008-11-19 Thread Ricardo
Hello All: I am using the paulus tree popwerpc linux kernel for a ppc440 cpu located in a Virtex5 FPGA. While developing some drivers (a simple gpio device) I have notice that if I try to access an unmapped area (an address without any register/device attached), the system completely crashes.