On Tue, Sep 07, 2004 at 08:15:47PM -0400, [EMAIL PROTECTED] wrote: > That message is from the original freebios. I was thinking that > shadowing is not corretly set up and that maybe the > segment is write-protected. After setting up shadowing, > the chipset my turn on write protection by default, anyway. I > don't know how to turn write protection off specifically for the > C00000 segment. So far, the only reference that I can find about > write protection is in the Pentium developer's manual. It says to > have bit 16 of CR0 be zero to turn off write protection.
That's controlled by the descriptor table flags for the particular descriptor in use. (cs/ds/es) Trying to write to protected memory would cause a page fault that LB probably doesn't recover from. (Are PF:s handled at all?) //Peter _______________________________________________ Linuxbios mailing list [EMAIL PROTECTED] http://www.clustermatic.org/mailman/listinfo/linuxbios
