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

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

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

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         QA Contact|xorg-team@lists.x.org       |
            Product|xorg                        |DRI
           Assignee|xorg-driver-ati@lists.x.org |dri-devel@lists.freedesktop
                   |                            |.org
          Component|Driver/AMDgpu               |DRM/AMDgpu

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
The IOMMU page faults and PowerPlay issue are probably not directly related and
should be tracked separately.

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

Christian Lanig <freedesktop@lanig.email> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|IO_PAGE_FAULT is spammed in |IO_PAGE_FAULT is spammed in
                   |dmesg, powerplay error      |dmesg

--- Comment #2 from Christian Lanig <freedesktop@lanig.email> ---
Thanks for your answer, I have created a separate report:
https://bugs.freedesktop.org/show_bug.cgi?id=100443

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

Christian Lanig <freedesktop@lanig.email> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
             Status|NEW                         |RESOLVED

--- Comment #3 from Christian Lanig <freedesktop@lanig.email> ---
This issue is gone after I updated my OS - don't know if it is related. I can't
reproduce it anymore, tried with several reboots.

However, the powerplay issue stays so it's definitely unrelated.

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

Gjorgji Jankovski <j.gjorgji@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
             Status|RESOLVED                    |REOPENED

--- Comment #4 from Gjorgji Jankovski <j.gjorgji@gmail.com> ---
This is definitely not fixed yet, at least for me.

Ryzen 7 1700
MSI B350 TOMAHAWK
RX 480

Fedora 26
Kernel: 4.11.0-1.fc26.x86_64

My error message is this:

[    2.339023] AMD-Vi: Event logged [
[    2.339024] IO_PAGE_FAULT device=23:00.0 domain=0x0003
address=0x000000f4001f0400 flags=0x0010]


Reappears a lot in dmesg.

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

--- Comment #5 from Christian Lanig <freedesktop@lanig.email> ---
The bug is not fixed but it only happens on a cold boot for me. When I reboot
the PC these messages disappear.

There also seem to be reports about comparable behavior with older AMD systems.
It is perhaps a Bios bug, because something obviously works as soon as the PC
isn't shut down entirely.
It seems unlikely to be related to the GPU driver because the driver should not
depend on whether the computer has been turned off or just reboots.

It might still be helpful to know if your issues disappear by rebooting your
machine as well.

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

--- Comment #6 from Gjorgji Jankovski <j.gjorgji@gmail.com> ---
Indeed it doesn't happen on reboots and it's definitely not related to the
graphics error as I'm pretty sure i had the exact one in an sandy bridge system
with the same GPU.

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

--- Comment #7 from Corbin <corbinbird@charter.net> ---
Same error as well.

System Specs :
Gentoo Linux x86_64, Kernel 4.9.x
AMDGPU v1.2 Driver
AMD 990FX Chipset
AMD FX-9590 CPU
AMD RX480 Video Card
AMDGPU Firmware blobs compiled into the kernel.
GART IOMMU support not included in the kernel / modules.

errors copied from '/var/log/dmesg' :
----
[    0.987710] pci 0000:01:00.0: Video device with shadowed ROM at [mem
0x000c0000-0x000dffff]
----
[    0.988027] PCI: CLS 64 bytes, default 64
[    0.988362] iommu: Adding device 0000:00:00.0 to group 0
[    0.988530] iommu: Adding device 0000:00:02.0 to group 1
[    0.988689] iommu: Adding device 0000:00:0a.0 to group 2
[    0.988872] iommu: Adding device 0000:00:0d.0 to group 3
[    0.989029] iommu: Adding device 0000:00:11.0 to group 4
[    0.989194] iommu: Adding device 0000:00:12.0 to group 5
[    0.989318] iommu: Adding device 0000:00:12.2 to group 5
[    0.989484] iommu: Adding device 0000:00:13.0 to group 6
[    0.989615] iommu: Adding device 0000:00:13.2 to group 6
[    0.989780] iommu: Adding device 0000:00:14.0 to group 7
[    0.989943] iommu: Adding device 0000:00:14.1 to group 8
[    0.990128] iommu: Adding device 0000:00:14.3 to group 9
[    0.990292] iommu: Adding device 0000:00:14.4 to group 10
[    0.990458] iommu: Adding device 0000:00:14.5 to group 11
[    0.990637] iommu: Adding device 0000:00:15.0 to group 12
[    0.990763] iommu: Adding device 0000:00:15.1 to group 12
[    0.990935] iommu: Adding device 0000:00:16.0 to group 13
[    0.991058] iommu: Adding device 0000:00:16.2 to group 13
[    0.991252] iommu: Adding device 0000:01:00.0 to group 14
[    0.991387] iommu: Adding device 0000:01:00.1 to group 14
[    0.991560] iommu: Adding device 0000:02:00.0 to group 15
[    0.991742] iommu: Adding device 0000:03:00.0 to group 16
[    0.991863] iommu: Adding device 0000:06:00.0 to group 12
[    0.991982] iommu: Adding device 0000:07:04.0 to group 12
[    1.063849] AMD-Vi: Found IOMMU at 0000:00:00.2 cap 0x40
[    1.063962] AMD-Vi: Interrupt remapping enabled
[    1.064145] AMD-Vi: Lazy IO/TLB flushing enabled
[    1.065331] perf: AMD NB counters detected
[    1.065622] LVT offset 0 assigned for vector 0x400
[    1.065836] perf: AMD IBS detected (0x000000ff)
----
[    7.337130] [drm] amdgpu kernel modesetting enabled.
[    7.337326] [drm] initializing kernel modesetting (POLARIS10 0x1002:0x67DF
0x1682:0x9480 0xC7).
[    7.337334] [drm] register mmio base: 0xFEA00000
[    7.337334] [drm] register mmio size: 262144
[    7.337336] [drm] doorbell mmio base: 0xD0000000
[    7.337336] [drm] doorbell mmio size: 2097152
[    7.337341] [drm] probing gen 2 caps for device 1002:5a16 = 31cd02/0
[    7.337342] [drm] probing mlw for device 1002:5a16 = 31cd02
[    7.337348] [drm] UVD is enabled in VM mode
[    7.337348] [drm] VCE enabled in VM mode
----
[    7.350857] ATOM BIOS: D00901
[    7.350863] [drm] GPU post is not needed
[    7.351266] [TTM] Zone  kernel: Available graphics memory: 16464010 kiB
[    7.351266] [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
[    7.351266] [TTM] Initializing pool allocator
[    7.351270] [TTM] Initializing DMA pool allocator
[    7.351281] amdgpu 0000:01:00.0: VRAM: 8192M 0x0000000000000000 -
0x00000001FFFFFFFF (8192M used)
[    7.351283] amdgpu 0000:01:00.0: GTT: 16078M 0x0000000200000000 -
0x00000005ECE227FF
[    7.351285] [drm] Detected VRAM RAM=8192M, BAR=256M
[    7.351285] [drm] RAM width 256bits GDDR5
[    7.351292] [drm] amdgpu: 8192M of VRAM memory ready
[    7.351293] [drm] amdgpu: 16078M of GTT memory ready.
[    7.351297] [drm] GART: num cpu pages 4116002, num gpu pages 4116002
[    7.352437] AMD-Vi: Event logged [
[    7.352438] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f400100000 flags=0x0010]
[    7.352438] AMD-Vi: Event logged [
[    7.352439] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f400101400 flags=0x0010]
[    7.352440] AMD-Vi: Event logged [
[    7.352440] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f400100040 flags=0x0010]
[    7.352440] AMD-Vi: Event logged [
[    7.352441] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f400100080 flags=0x0010]
[    7.352441] AMD-Vi: Event logged [
[    7.352442] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f400100240 flags=0x0010]
[    7.352442] AMD-Vi: Event logged [
[    7.352443] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f400100280 flags=0x0010]
[    7.352443] AMD-Vi: Event logged [
[    7.352444] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f4001000c0 flags=0x0010]
( the errors just continue, skipped in this posting )
[    7.352866] AMD-Vi: Event logged [
[    7.352867] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f40010ddc0 flags=0x0010]
[    7.352867] AMD-Vi: Event logged [
[    7.352868] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f40010df80 flags=0x0010]
[    7.352868] AMD-Vi: Event logged [
[    7.352868] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f40010de00 flags=0x0010]
[    7.352869] AMD-Vi: Event logged [
[    7.352869] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f40010de40 flags=0x0010]
[    7.352869] AMD-Vi: Event logged [
[    7.352870] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f40010cb40 flags=0x0010]
[    7.352870] AMD-Vi: Event logged [
[    7.352871] IO_PAGE_FAULT device=01:00.0 domain=0x000f
address=0x000000f40010cbc0 flags=0x0010]
[    7.352910] [drm] PCIE GART of 16078M enabled (table at 0x0000000000040000).
[    7.352917] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[    7.352918] [drm] Driver supports precise vblank timestamp query.
[    7.352947] amdgpu 0000:01:00.0: amdgpu: using MSI.
[    7.352960] [drm] amdgpu: irq initialized.
[    7.352964] Can't find requested voltage id in vdd_dep_on_sclk table!
[    7.353108] amdgpu: powerplay initialized
[    7.353428] [drm] AMDGPU Display Connectors
----
Notice that the errors start right after :
[    7.351297] [drm] GART: num cpu pages 4116002, num gpu pages 4116002
And end after :
[    7.352910] [drm] PCIE GART of 16078M enabled (table at 0x0000000000040000).

I hope more debug info helps find the problem.

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

--- Comment #8 from Öyvind Saether <oyvinds@everdot.org> ---
Motherboard: MSI-A88X-G45-GAMING
APU: AMD A8-7600
Graphics card: MSI RX 470 8GB
Kernel: 4.11.0-2.fc26.x86_64
Screens: 3 (1080 1440 1080)

I can confirm that on cold boot I too get AMD-Vi: Event logged and
IO_PAGE_FAULT device messages in my dmesg and various software using the GPU
hangs and stutters (Chromium with GPU acceleration turned on, mpv etc).

This goes away when rebooting the powered on system. In both cases these appear
in dmesg:

[    1.795617] amdgpu: [powerplay] [AVFS] Something is broken. See log!
[    1.797502] amdgpu: [powerplay] Can't find requested voltage id in
vdd_dep_on_sclk table!

It seems a bit odd that this bug has the "workaround" which is turn it on then
reboot it. 

If there are some useful commands I can type in to dump something that would
help or logs I should paste then feel free to let me know.

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

--- Comment #9 from Greg Turner <gmt@be-evil.net> ---
Just another datapoint on this...

I have this disease with a (non-reference) Asus RX480 in an Asus Sabertooth
Gen3 R2.0 (or something like that, I can never remember exactly what it's
called).  It does not fix itself when I reboot.

If I turn off IOMMU entirely in the BIOS (not just the memory hole), then it
goes away (along, of course, with my iommu functionality, which I'm not
thrilled about).

I can also boot and avoid the spam with iommu=pt or iommu=soft.

I have also seen brief "flashing screen" artifacts in xorg, which get more
frequent if I stress the system (doesn't need to be graphics related).  Whether
these correlate with the log spam, I'm not entirely sure.  I think it may, but
it might instead have been related to a firmware loading problem that I've
since resolved... I'd have to try it again to be sure.

Like the OP, when I get the log spam I also see this:

May 22 14:23:21 moneypit kernel: amdgpu: [powerplay] [AVFS] Something is
broken. See log!
May 22 14:23:21 moneypit kernel: amdgpu: [powerplay] Can't find requested
voltage id in vdd_dep_on_sclk table!

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

--- Comment #10 from JL <keppi5@gmx.com> ---
I started seeing AMD-Vi: Event logged and IO_PAGE_FAULT spam after updating
Asus B350 Plus bios to 0609 from 0406. Before that it only showed something
like Southbridge I/O Apic not found, firmware bug!

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

--- Comment #11 from Christian Lanig <freedesktop@lanig.email> ---
It seems to have been disappeared with the newest bios with AGESA 1.0.0.6 on my
mainboard.

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[Bug 100437] IO_PAGE_FAULT is spammed in dmesg

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

Christian Lanig <freedesktop@lanig.email> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |NOTOURBUG
             Status|REOPENED                    |RESOLVED

--- Comment #12 from Christian Lanig <freedesktop@lanig.email> ---
I close this issue because it was a bug in the early BIOS firmware of Ryzen
motherboards.

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