[vfio-users] Asus P6T Deluxe unofficial BIOS
Marco Stagge
spiritblackdiamont at gmail.com
Fri Sep 2 20:44:38 UTC 2016
ok googled a bit around and found this:
https://communities.intel.com/thread/28389
another one with a P6T Board :D
he's using xen with a better(?) logging
i've checked aw's post about reserving memory and tried it, but its already
reserved?
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d3ff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009d400-0x000000000009ffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e4c00-0x00000000000fffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bf77ffff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000bf780000-0x00000000bf797fff] ACPI
data
[ 0.000000] BIOS-e820: [mem 0x00000000bf798000-0x00000000bf7dbfff] ACPI
NVS
[ 0.000000] BIOS-e820: [mem 0x00000000bf7dc000-0x00000000bfffffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff]
reserved
[ 0.000000] BIOS-e820: [mem 0x00000000ffe00000-0x00000000ffffffff]
reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000063fffffff] usable
[ 0.000000] debug: ignoring loglevel setting.
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] e820: user-defined physical RAM map:
[ 0.000000] user: [mem 0x0000000000000000-0x000000000009d3ff] usable
[ 0.000000] user: [mem 0x000000000009d400-0x000000000009ffff] reserved
[ 0.000000] user: [mem 0x00000000000e4c00-0x00000000000fffff] reserved
[ 0.000000] user: [mem 0x0000000000100000-0x00000000bf77ffff] usable
[ 0.000000] user: [mem 0x00000000bf780000-0x00000000bf797fff] ACPI data
[ 0.000000] user: [mem 0x00000000bf798000-0x00000000bf7dbfff] ACPI NVS
[ 0.000000] user: [mem 0x00000000bf7dc000-0x00000000bfffffff] reserved
[ 0.000000] user: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[ 0.000000] user: [mem 0x00000000ffe00000-0x00000000ffffffff] reserved
[ 0.000000] user: [mem 0x0000000100000000-0x000000063fffffff] usable
btw i've tested if something appear in dmesg if i disable vt-d from the
chipset( i thought maybe the cpu will use the built-in feature) buuuuuut no
;(
maybe aw have some more ideas? :)
2016-09-02 20:34 GMT+02:00 Marco Stagge <spiritblackdiamont at gmail.com>:
> Hey,
>
> thanks for your answer, atm im checking my dmesg for that entry .. i've
> found this so far^^
>
> [ 0.000000] e820: BIOS-provided physical RAM map:
> [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009d3ff]
> usable
> [ 0.000000] BIOS-e820: [mem 0x000000000009d400-0x000000000009ffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000000e4c00-0x00000000000fffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bf77ffff]
> usable
> [ 0.000000] BIOS-e820: [mem 0x00000000bf780000-0x00000000bf797fff]
> ACPI data
> [ 0.000000] BIOS-e820: [mem 0x00000000bf798000-0x00000000bf7dbfff]
> ACPI NVS
> [ 0.000000] BIOS-e820: [mem 0x00000000bf7dc000-0x00000000bfffffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x00000000ffe00000-0x00000000ffffffff]
> reserved
> [ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000063fffffff]
> usable
> [ 0.000000] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
> [ 0.000000] e820: remove [mem 0x000a0000-0x000fffff] usable
> [ 0.000000] e820: last_pfn = 0x640000 max_arch_pfn = 0x400000000
> [ 0.000000] e820: update [mem 0xbf800000-0xffffffff] usable ==> reserved
> [ 0.000000] e820: last_pfn = 0xbf780 max_arch_pfn = 0x400000000
> [ 0.000000] e820: [mem 0xc0000000-0xfedfffff] available for PCI devices
> [ 0.554189] e820: reserve RAM buffer [mem 0x0009d400-0x0009ffff]
> [ 0.554190] e820: reserve RAM buffer [mem 0xbf780000-0xbfffffff]
>
> the interesting part(for me) is that "available for PCI devices" mem ...
> so at this point all infos about pcidevices are stored in this mem area?
>
> if i grep around for "mem" there is a lot infos ... hmm .... well, i'll
> attach my dmesg in this mail(hope thats possible)
> maybe there is someone who figure some areas out, i'll test it and report
> back then :)
>
> ...and i found something new lol :D
>
> ACPI: DMAR 0x00000000BF7980C0 000138 (v01 AMI OEMDMAR 00000001 MSFT
> 00000097)
>
> but, i dont know what this output should tell me?^^
>
>
> hmmm maybe this could help
>
> [ 0.090460] dmar: Host address width 39
> [ 0.090509] dmar: DRHD base: 0x000000fbfff000 flags: 0x0
> [ 0.090566] dmar: IOMMU 0: reg_base_addr fbfff000 ver 1:0 cap
> c9008010e60262 ecap f0207a
> [ 0.090629] dmar: DRHD base: 0x000000fbffe000 flags: 0x1
> [ 0.090680] dmar: IOMMU 1: reg_base_addr fbffe000 ver 1:0 cap
> c90780106f0462 ecap f020fe
> [ 0.090742] dmar: RMRR base: 0x000000000ec000 end: 0x000000000effff
> [ 0.090790] dmar: RMRR base: 0x000000bf7dc000 end: 0x000000bf7dbfff
> [ 0.090838] dmar: ATSR flags: 0x0
>
>
>
> btw i wonder why, the xeon(vt-d supported) is not able to override the
> vt-d tables from the motherboard or something like that
>
> maybe its blocked by bios?
>
>
>
>
> 2016-09-02 15:36 GMT+02:00 rob e <redgerhoo at yahoo.com.au>:
>
>> On 31/08/16 02:00, vfio-users-request at redhat.com wrote:
>>
>> Date: Tue, 30 Aug 2016 11:52:18 +0200
>> From: Marco Stagge <spiritblackdiamont at gmail.com> <spiritblackdiamont at gmail.com>
>> To: vfio-users at redhat.com
>> Subject: [vfio-users] Asus P6T Deluxe unofficial BIOS
>> Message-ID:
>> <CADKDhYex84ArCOctnErAK0sED0hPsCGJ5tEf3UJsz+01yLGCZQ at mail.gmail.com> <CADKDhYex84ArCOctnErAK0sED0hPsCGJ5tEf3UJsz+01yLGCZQ at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Hey there,
>>
>> i've got two Boards, Asus P6T Deluxe and non-Deluxe Version. Ive running a
>> Xeon X5650 on it, but
>> VT-d is routed through bios(dmesg told me), and the DMAR-Table is broken.
>> On the xen page i've found this "ASUS P6T Deluxe (Intel X58 chipset)
>> requires (currently non-public) BIOS update to correct DMAR-table issue".
>>
>> Does anyone know if there is a unofficial bios with corrected DMAR-Table?
>> google is not my friend^^
>> didnt find anything useful :(
>>
>> greet Spirit
>>
>>
>> I have the same motherboard and also sought that bios, without success.
>> There is however someone else who may have tried it
>> https://bbs.archlinux.org/viewtopic.php?pid=1487138#p1487138
>> See Alex's response suggesting use of
>>
>> memmap=nn[KMG]$ss[KMG]
>> [KNL,ACPI] Mark specific memory as reserved.
>> Region of memory to be reserved is from ss to ss+nn.
>> Example: Exclude memory from 0x18690000-0x1869ffff
>> memmap=64K$0x18690000
>> or
>> memmap=0x10000$0x18690000
>>
>> I haven't tried this myself so would be interested in your feedback :)
>>
>
>
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