[Bug 100437] New: IO_PAGE_FAULT is spammed in dmesg, powerplay error

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100437

            Bug ID: 100437
           Summary: IO_PAGE_FAULT is spammed in dmesg, powerplay error
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/AMDgpu
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: freedesktop at lanig.email
        QA Contact: xorg-team at lists.x.org

Created attachment 130516
  --> https://bugs.freedesktop.org/attachment.cgi?id=130516&action=edit
Excerpt of DMESG

Hardware:
AMD Ryzen 7 1700X
ASRock AB350 Pro4 Bios v1.40 (because 2.20 breaks ECC)
AMD RX 480
Crucial CT2K16G4XFD824A 2x16GiB ECC

OS: Ubuntu 17.04, Kernel 4.11 RC4, Padoka PPA

After installing my new motherboard and CPU I just went through the system
messages to see how well it's supported or if there are some issues to be
sorted out.
Unfortunately it looks like there are issues with AMDGPU, there are really
massive warnings and errors.

It starts with these several times:
[    1.482118] AMD-Vi: Event logged [
[    1.482118] IO_PAGE_FAULT device=0c:00.0 domain=0x0003
address=0x000000f4001e6a00 flags=0x0010]

And ends in telling me that something is wrong with the powerplay:
[    1.526878] amdgpu: [powerplay] [AVFS] Something is broken. See log!
[    1.528706] amdgpu: [powerplay] Can't find requested voltage id in
vdd_dep_on_sclk table!

I hope that this is the right location to report this.

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