I got a system with 8 way Opteron. Every CPU has 16G memory. 2.6 kernel x86_64, it will crash when it start the Fifth node.
YH > -----Original Message----- > From: Andi Kleen [mailto:[EMAIL PROTECTED] > Sent: Tuesday, February 15, 2005 4:08 AM > To: YhLu > Cc: linux-kernel@vger.kernel.org > Subject: Re: X86_64 kernel support MAX memory. > > On Mon, Feb 14, 2005 at 07:32:42PM -0800, YhLu wrote: > > Andi, > > > > How much is max RAM 2.6.11 x86_64 support on AMD64? > > 64G or 128G? > > 46bits in theory (64TB), however current CPUs only support > upto 40bits (AMD) or 36bits (Intel). There is some other > code that is also limited to 40bits right now like AGP or > IOMMU or MTRR, that is all due to hardware limitations. > > -Andi > - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/