[coreboot] ASUS KGPE-D16 IOMMU issue

lowsec at airmail.cc lowsec at airmail.cc
Wed May 3 21:54:39 CEST 2017


Hi,

when starting a video I'm getting the following error with activated 
IOMMU under Coreboot:

[  230.800362] AMD-Vi: Event logged [
[  230.800368] IO_PAGE_FAULT device=08:00.0 domain=0x0000 
address=0x0000000073700000 flags=0x0050]
[  230.800371] AMD-Vi: Event logged [
[  230.800373] IO_PAGE_FAULT device=08:00.0 domain=0x0000 
address=0x0000000073700040 flags=0x0050]
[  230.800375] AMD-Vi: Event logged [
[  230.800376] IO_PAGE_FAULT device=08:00.0 domain=0x0000 
address=0x0000000073700000 flags=0x0050]
[  230.800377] AMD-Vi: Event logged [
[  230.800378] IO_PAGE_FAULT device=08:00.0 domain=0x0000 
address=0x0000000073700040 flags=0x0050]

There are over 100 lines in dmesg and it's caused by my Xonar DX sound 
card. With the proprietary BIOS everthing works fine.
I'm using the latest Linux-kernel and the Raptor build config for 
Coreboot.

This is basically the same bug: 
https://bugzilla.kernel.org/show_bug.cgi?id=111711



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