On Mon, Dec 19, 2005 at 10:19:55AM -0600, Les Mikesell wrote: > On Mon, 2005-12-19 at 10:06, Dave Jones wrote: > > On Mon, Dec 19, 2005 at 10:47:01AM +0100, luca porcu wrote: > > > 32 bit = 2 ^ 32 MB of RAM 4096MB is the max of RAM for CPU at 32bit! > > > > Except with PAE (Physical Address Extensions), the CPU is effectively > > 36 bit. Giving a theoretical address range of 64GB. In practice > > however, once you go past 4GB, your low memory region (0->896MB) > > becomes filled very quickly with structures that _have_ to live > > in that range, and all sorts of problems can occur (typically page > > allocation failures, oom-kills). > > Could this cause a problem with VMware on a machine with exactly > 4 gigs? I have one box where vmplayer will not run a windows > 2k or xp virtual machines (hangs about 3/4th's of the way through > booting), but some similar boxes with less ram work fine. No idea, I don't use vmware :-/ But a hang sounds like something completely different. Dave
