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Date:      Wed, 11 Mar 2015 16:39:08 +0100
From:      Oliver Pinter <oliver.pinter@hardenedbsd.org>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>, Michael Fuckner <michael@fuckner.net>, freebsd-hardware@freebsd.org
Subject:   Re: Server with 3TB Crashing at boot
Message-ID:  <CAPQ4ffsd-SpsLTbGL8BdBsNHLx9HhVQ4Wh%2B95M98fCmT5idPAg@mail.gmail.com>
In-Reply-To: <CAJ-VmokruCyo3M5up9n%2BAfvkr7VFBtUftpdgc=52ES%2BNt6=JZA@mail.gmail.com>
References:  <550046F7.1050205@fuckner.net> <CAJ-VmokruCyo3M5up9n%2BAfvkr7VFBtUftpdgc=52ES%2BNt6=JZA@mail.gmail.com>

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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

>
>
>
> -adrian
>
>
> On 11 March 2015 at 06:45, Michael Fuckner <michael@fuckner.net> wrote:
>> Hi,
>>
>> I have a server with 4 Xeon E7-8857 v2 and 96x32TB, organized as 8 Memory
>> Risers with 12DIMMs each. With 2 Risers I can boot the System with
>> FreeBSD10.1-p6, when adding a third riser (above 1TB RAM) the system crashes
>> on boot.
>>
>>
>> http://dedi3.fuckner.net/~molli123/temp/3tb_ap1_phy2.png
>> http://dedi3.fuckner.net/~molli123/temp/3tb_crash.avi
>>
>>
>> Here is the dmesg/ verbose dmesg, but I believe the verbose one got
>> truncated. Is there anything more I can do than booting verbose and to copy
>> /var/run/dmesg.boot?
>>
>> http://dedi3.fuckner.net/~molli123/temp/dmesg_q71l-4u_verbose.txt
>> http://dedi3.fuckner.net/~molli123/temp/dmesg_q71l-4u_10.1.txt
>>
>> Regards,
>>  Michael!
>>
>> PS: already posted to freebsd-amd64, but I was told these lists are better.
>> _______________________________________________
>> freebsd-hackers@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-hackers
>> To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org"
> _______________________________________________
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