IOMMU and system still booting without linux kernel level microcode

Am 18.04.19 um 11:38 schrieb Kinky Nekoboi:
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> -------- Weitergeleitete Nachricht --------
> Betreff:      Re: [coreboot] Re: Fwd: F2A85M IOMMU still not working for
> RIchland CPUS
> Datum:        Thu, 18 Apr 2019 11:38:16 +0200
> Von:  Kinky Nekoboi <[email protected]>
> An:   Mike Banon <[email protected]>
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> CPU : A8-6600K
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> [    1.271514] microcode: CPU0: patch_level=0x0600110f
> [    1.271521] microcode: CPU1: patch_level=0x0600110f
> [    1.271532] microcode: CPU2: patch_level=0x0600110f
> [    1.271538] microcode: CPU3: patch_level=0x0600110f
> [    1.271583] microcode: Microcode Update Driver: v2.2.
> i compiled from the master tree, build on 16. April 2019
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> no microcode was included in that build.
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> next step i will try if, the problems occur again if i remove microcode
> updates via llinux kernel.
>
> here is cbmem output as attachment
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> Am 18.04.19 um 06:08 schrieb Mike Banon:
>>> also it seems that IOMMU is working now...
>> Congratulations with these amazing news! Please tell, what version of
>> coreboot you've currently installed? Also, have you used this
>> microcode updating patch from DangerousPrototypes page before building
>> your current coreboot build?
>>
>>> maybe cause i have microcode updates in the kernel included this time ?
>> By the way, the microcode updates provided by Linux are _older_ than
>> what this "microcode updating patch" is providing : simply because AMD
>> has shared their latest update with some proprietary UEFI makers but
>> didn't share them with the opensource world (and so we had to get them
>> by manually extracting). But if the kernel sees that a newer microcode
>> version is loaded, it doesn't replace it. Please, could you check and
>> tell, what microcode version do you see as installed?
>
>
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