On Mon, Dec 6, 2010 at 1:05 PM, Ian Campbell <i...@hellion.org.uk> wrote: > On Mon, 2010-12-06 at 12:12 +0100, Alexander Graf wrote: >> On 05.12.2010, at 17:25, Blue Swirl wrote: >> >> > 'info tlb' didn't show correct information for PAE mode and >> > x86_64 long mode. >> > >> > Implement the missing modes. Also print NX bit for PAE and long modes. >> > Fix off-by-one error in 32 bit mode mask. >> > >> > Signed-off-by: Blue Swirl <blauwir...@gmail.com> >> > --- >> > >> > I didn't find an OS that enabled PAE, please test and report. >> >> Xen does. Just take a random recent xen kernel and run it with -kernel :). > > In addition AFAIK recent 32 bit Fedora is PAE enabled by default (so is > RHEL6?). Debian also supplies a -686-bigmem kernel flavour which is > their name for PAE enabled.
At least Fedora 14 installation CD kernel does not enable PAE with 5G of memory (enabled for i386 by adjusting target_phys_bits in configure).