Re: Extended paging bug in Athlon affect FreeBSD?

2002-01-21 Thread Terry Lambert
Raman Ng wrote: I don't know what mailing list this mail should be posted to, sorry if it is posted to the wrong mailing list. Recently I found Linux 2.4 kernel is affected by the bug of extended paging in AMD Athlon through the following link. I don't know if FreeBSD is also affected.

Re: Extended paging bug in Athlon affect FreeBSD?

2002-01-21 Thread Raman Ng
I am well aware of this bug. It does not affect FreeBSD, which only uses 4M pages for the first 4M of the kernel itself. I've worked on code that enables 4M pages on other memory used in FreeBSD, that had this problem, but only if you were really stupid in your allocation mechanism.