Date: Thu, 12 Mar 2015 11:39:19 -0700 From: Julian Elischer <julian@freebsd.org> To: Michael Fuckner <michael@fuckner.net>, Oliver Pinter <oliver.pinter@hardenedbsd.org>, Adrian Chadd <adrian@freebsd.org> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>, freebsd-hardware@freebsd.org Subject: Re: Server with 3TB Crashing at boot Message-ID: <5501DD57.7030305@freebsd.org> In-Reply-To: <55015D3B.6030605@fuckner.net> References: <550046F7.1050205@fuckner.net> <CAJ-VmokruCyo3M5up9n%2BAfvkr7VFBtUftpdgc=52ES%2BNt6=JZA@mail.gmail.com> <CAPQ4ffsd-SpsLTbGL8BdBsNHLx9HhVQ4Wh%2B95M98fCmT5idPAg@mail.gmail.com> <550093DD.5040603@freebsd.org> <55015D3B.6030605@fuckner.net>
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On 3/12/15 2:32 AM, Michael Fuckner wrote: > On 03/11/2015 08:13 PM, Julian Elischer wrote: >> On 3/11/15 8:39 AM, Oliver Pinter wrote: >>> On Wed, Mar 11, 2015 at 4:26 PM, Adrian Chadd <adrian@freebsd.org> >>> wrote: >>>> Hm, have you tried with just one TB of RAM? I haven't had access to >>>> systems with 3TB of RAM - I'm just about to get 1TB in a box. :) >>>> >>>> Hm, other hackers - what's the current size of the AMD64 direct map? >>> 4TB - >>> https://github.com/freebsd/freebsd/blob/master/sys/amd64/include/vmparam.h#L157 >>> >>> >> >> yeah but since direct-map is, well, directly mapped, you might have >> 3TB >> of ram but it might be spread over a larger range. >> there may be holes in it.. it would be worth knowing the apparent >> layout of the ram. > is it this you are looking for (from OpenSUSE 13.2)? > > > http://dedi3.fuckner.net/~molli123/temp/dmesg.smp.disabled.txt > http://dedi3.fuckner.net/~molli123/temp/dmesg-s4l_opensuse13.2.txt > > > [ 0.000000] e820: BIOS-provided physical RAM map: > [ 0.000000] BIOS-e820: [mem > 0x0000000000000000-0x00000000000997ff] usable > [ 0.000000] BIOS-e820: [mem > 0x0000000000099800-0x000000000009ffff] reserved > [ 0.000000] BIOS-e820: [mem > 0x00000000000e0000-0x00000000000fffff] reserved > [ 0.000000] BIOS-e820: [mem > 0x0000000000100000-0x00000000784affff] usable > [ 0.000000] BIOS-e820: [mem > 0x00000000784b0000-0x0000000078c63fff] reserved > [ 0.000000] BIOS-e820: [mem > 0x0000000078c64000-0x0000000078ca6fff] ACPI data > [ 0.000000] BIOS-e820: [mem > 0x0000000078ca7000-0x000000007a268fff] ACPI NVS > [ 0.000000] BIOS-e820: [mem > 0x000000007a269000-0x000000007bdc3fff] reserved > [ 0.000000] BIOS-e820: [mem > 0x000000007bdc4000-0x000000007bdc4fff] usable > [ 0.000000] BIOS-e820: [mem > 0x000000007bdc5000-0x000000007be4afff] reserved > [ 0.000000] BIOS-e820: [mem > 0x000000007be4b000-0x000000007bffffff] usable > [ 0.000000] BIOS-e820: [mem > 0x0000000080000000-0x000000008fffffff] reserved > [ 0.000000] BIOS-e820: [mem > 0x00000000fed1c000-0x00000000fed1ffff] reserved > [ 0.000000] BIOS-e820: [mem > 0x00000000ff000000-0x00000000ffffffff] reserved > [ 0.000000] BIOS-e820: [mem > 0x0000000100000000-0x000003007fffffff] usable > ok, it looks like it is in one big chunk.. so that is not an issue.
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