Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-09 Thread Matt Keenan
Andrew Lyon wrote: > On 6/7/07, H. Peter Anvin <[EMAIL PROTECTED]> wrote: >> Andrew Lyon wrote: >> > >> > Could this also cause a system to be unstable? my abit athlon64 at >> > work will not run x64 with more than 1gb ram, and i have a colo server >> > with supermicro & 2 x dual core xeons that wi

Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-08 Thread H. Peter Anvin
Andrew Lyon wrote: > > I have run memtest86+ for days at a time on both systems with no errors > at all. > > broken hardware i guess, i am not surprised about the abit board, ive > had nothing but trouble with abit motherboards and do not use them any > more, but the supermicro is a xeon server b

Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-07 Thread Andrew Lyon
On 6/7/07, H. Peter Anvin <[EMAIL PROTECTED]> wrote: Andrew Lyon wrote: > > Could this also cause a system to be unstable? my abit athlon64 at > work will not run x64 with more than 1gb ram, and i have a colo server > with supermicro & 2 x dual core xeons that will not run with more than > 2gb. >

Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-07 Thread H. Peter Anvin
Andrew Lyon wrote: > > Could this also cause a system to be unstable? my abit athlon64 at > work will not run x64 with more than 1gb ram, and i have a colo server > with supermicro & 2 x dual core xeons that will not run with more than > 2gb. > > Both systems have long uptimes but if i add ram th

Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-07 Thread Tom Moore
This looks like it would have probably given me the hint I needed. Can I also suggest that you make a change to arch/i386/kernel/setup.c, line 296: if (max_pfn > MAX_NONPAE_PFN) { max_pfn = MAX_NONPAE_PFN; printk(KERN_WARNING "Warning

Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-06 Thread Robert Hancock
Andrew Lyon wrote: Could this also cause a system to be unstable? my abit athlon64 at work will not run x64 with more than 1gb ram, and i have a colo server with supermicro & 2 x dual core xeons that will not run with more than 2gb. Both systems have long uptimes but if i add ram they crash with

Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-06 Thread Andrew Lyon
On 6/6/07, H. Peter Anvin <[EMAIL PROTECTED]> wrote: Lennart Sorensen wrote: > > Seems like an improvement to me. To fully explain how it could be 3 or > 3.5 or 3.25 or who knows how many GB you can actually use without PAE > would probably require writing a small novel. Certainly talking about

Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-06 Thread H. Peter Anvin
Lennart Sorensen wrote: > > Seems like an improvement to me. To fully explain how it could be 3 or > 3.5 or 3.25 or who knows how many GB you can actually use without PAE > would probably require writing a small novel. Certainly talking about > address space instead of amounts of physical memory

Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-06 Thread Wakko Warner
Lennart Sorensen wrote: > On Wed, Jun 06, 2007 at 02:12:22PM +0200, Bodo Eggert wrote: > > Change the description of CONFIG_*HIGHMEM* to reflect "lost" memory due to > > PCI space and the existence of the NX flag. > > > > Signed-Off-By: Bodo Eggert <[EMAIL PROTECTED]> > > --- > > I made this quic

Re: [RFC][PATCH] Re: 4Gb ram not showing up

2007-06-06 Thread Lennart Sorensen
On Wed, Jun 06, 2007 at 02:12:22PM +0200, Bodo Eggert wrote: > Change the description of CONFIG_*HIGHMEM* to reflect "lost" memory due to > PCI space and the existence of the NX flag. > > Signed-Off-By: Bodo Eggert <[EMAIL PROTECTED]> > --- > I made this quick patch using the information from LKM

[RFC][PATCH] Re: 4Gb ram not showing up

2007-06-06 Thread Bodo Eggert
Change the description of CONFIG_*HIGHMEM* to reflect "lost" memory due to PCI space and the existence of the NX flag. Signed-Off-By: Bodo Eggert <[EMAIL PROTECTED]> --- I made this quick patch using the information from LKML as I remembered it. Please verify. --- 2.6.21/arch/i386/Kconfig.ori