AMDGPU-PRO driver for Ubuntu 16.04 keep print message in Xorg.0.log

And sometimes i have:

[ 1084.587016] VM fault (0x01, vmid 3) at page 47326788, read from 'TC0' (0x54433000) (8)

[ 1084.587016] amdgpu 0000:07:00.0: GPU fault detected: 147 0x05708801

[ 1084.587016] amdgpu 0000:07:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x00E0983C

[ 1084.587016] amdgpu 0000:07:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x06088002

[ 1084.587016] VM fault (0x02, vmid 3) at page 14719036, read from 'TC6' (0x54433600) (136)

[ 1084.587016] amdgpu 0000:07:00.0: GPU fault detected: 147 0x0d78c401

[ 1084.587016] amdgpu 0000:07:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x03B9780A

[ 1084.587016] amdgpu 0000:07:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x060C4001

[ 1084.587016] VM fault (0x01, vmid 3) at page 62486538, read from 'TC3' (0x54433300) (196)

[ 1084.587016] amdgpu 0000:07:00.0: GPU fault detected: 147 0x0c88c801

[ 1084.587016] amdgpu 0000:07:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x016D8DF6

[ 1084.587016] amdgpu 0000:07:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x06044001

[ 1084.587016] VM fault (0x01, vmid 3) at page 23956982, read from 'TC5' (0x54433500) (68)

[ 1084.587016] amdgpu 0000:07:00.0: GPU fault detected: 147 0x09e08801

[ 1084.587016] amdgpu 0000:07:00.0: VM_CONTEXT1_PROTECTION_FAULT_ADDR 0x006F7D1B

[ 1084.587016] amdgpu 0000:07:00.0: VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x060C4002

etc. etc...

2xRX470 8Gb

regarding the Xorg log entries i see about 20 per second.

[133173.757] (WW) AMDGPU(0): amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible msc 7921333 < target_msc 7921334

[133173.790] (WW) AMDGPU(0): amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible msc 7921335 < target_msc 7921336

[133173.824] (WW) AMDGPU(0): amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible msc 7921337 < target_msc 7921338

[133173.857] (WW) AMDGPU(0): amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible msc 7921339 < target_msc 7921340

[133173.890] (WW) AMDGPU(0): amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible msc 7921341 < target_msc 7921342

[133174.091] (WW) AMDGPU(0): amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible msc 7921353 < target_msc 7921354

[133174.107] (WW) AMDGPU(0): amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible msc 7921354 < target_msc 7921355

[133174.224] (WW) AMDGPU(0): amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible msc 7921361 < target_msc 7921362

Regarding the /var/log/syslog entries, i see repeated entries about 4-10/s but ONLY when running OpenCL applications 

Oct 27 21:32:38 gluon kernel: [133134.607763] amdgpu 0000:01:00.0: GPU fault detected: 147 0x00024401

Oct 27 21:32:38 gluon kernel: [133134.607766] amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x0BC00000

Oct 27 21:32:38 gluon kernel: [133134.607767] amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0B044001

Oct 27 21:32:38 gluon kernel: [133134.607768] VM fault (0x01, vmid 5) at page 197132288, write from 'TC5' (0x54433500) (68)

Oct 27 21:32:38 gluon kernel: [133134.607771] amdgpu 0000:01:00.0: GPU fault detected: 147 0x00024801

Oct 27 21:32:38 gluon kernel: [133134.607772] amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_ADDR   0x0BC00000

Oct 27 21:32:38 gluon kernel: [133134.607772] amdgpu 0000:01:00.0:   VM_CONTEXT1_PROTECTION_FAULT_STATUS 0x0B048001

Oct 27 21:32:38 gluon kernel: [133134.607773] VM fault (0x01, vmid 5) at page 197132288, write from 'TC4' (0x54433400) (72)

There is another post about GPU 147 which might help for these

These error floods are adding over a million entries per day into log files...

Our problem: var/log/Xorg.0.log flooded by "[...] amdgpu_dri2_flip_event_handler: Pageflip completion event has impossible [...]" ( a shame for  SSD ).

My actual configuration:

• Ubuntu GNU/Linux 16.04 LTS,
• AMDGPU-Pro 16.40,
• 2x RX-480 8G,
• 1x DPort/DVI passive adapter (possibly origin of the problem),
• 1x SyncMaster P2450 screen.

My solution to stop flood ( and possibly yours too ):

• Edit AMDGPU-Pro configuration for Xorg : "sudo vi /usr/share/X11/xorg.conf.d/10-amdgpu-pro.conf"
• Add "Device" sections (1x section by physical GPU) each containing:
  • a unique Identifier (ex: "RX480-A", "RX480-B", ...).
  • the correct driver (here: "amdgpu").
  • the option "TearFree" set to "on".

My actual configuration file "10-amd-pro.conf" :

[...]

Section "Device"

        Identifier "Rx480-A"

        Driver     "amdgpu"

        Option     "TearFree" "on"

EndSection

Section "Device"

        Identifier "Rx480-B"

        Driver     "amdgpu"

        Option     "TearFree" "on"

EndSection

[...]

note: option DRI3 is now set ON by default on my system with AMD drivers ; so no need to include it into configuration.

After reboot, Xorg.0.log file looks like:

[...]

[     3.543] (II) xfree86: Adding drm device (/dev/dri/card0)

[     3.543] (II) xfree86: Adding drm device (/dev/dri/card1)

[     3.545] (--) PCI: (0:2:0:0) 1002:67df:1682:9480 rev 199, Mem @ 0xe0000000/268435456, 0xf0000000/2097152, 0xfbe00000/262144, I/O @ 0x0000e000/256, BIOS @ 0x????????/131072

[     3.545] (--) PCI:*(0:3:0:0) 1002:67df:1682:9480 rev 199, Mem @ 0xc0000000/268435456, 0xd0000000/2097152, 0xfbd00000/262144, I/O @ 0x0000d000/256, BIOS @ 0x????????/131072

[     3.545] (II) LoadModule: "glx"

[     3.545] (II) Loading /opt/amdgpu-pro/lib/xorg/modules/extensions/libglx.so

[     3.552] (II) Module glx: vendor="X.Org Foundation"

[     3.552]    compiled for 1.18.0, module version = 1.0.0

[     3.552]    ABI class: X.Org Server Extension, version 9.0

[     3.552] (==) AIGLX enabled

[     3.552] (II) LoadModule: "amdgpu"

[     3.552] (II) Loading /opt/amdgpu-pro/lib/xorg/modules/drivers/amdgpu_drv.so

[     3.553] (II) Module amdgpu: vendor="X.Org Foundation"

[     3.553]    compiled for 1.18.4, module version = 1.1.99

[     3.553]    Module class: X.Org Video Driver

[     3.553]    ABI class: X.Org Video Driver, version 20.0

[     3.553] (II) AMDGPU: Driver for AMD Radeon chipsets: BONAIRE, BONAIRE, BONAIRE,

        BONAIRE, BONAIRE, BONAIRE, BONAIRE, BONAIRE, BONAIRE, BONAIRE,

        BONAIRE, KABINI, KABINI, KABINI, KABINI, KABINI, KABINI, KABINI,

        KABINI, KABINI, KABINI, KABINI, KABINI, KABINI, KABINI, KABINI,

        KABINI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI,

        KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI,

        KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, HAWAII, HAWAII,

        HAWAII, HAWAII, HAWAII, HAWAII, HAWAII, HAWAII, HAWAII, HAWAII,

        HAWAII, HAWAII, TOPAZ, TOPAZ, TOPAZ, TOPAZ, TOPAZ, TONGA, TONGA,

        TONGA, TONGA, TONGA, TONGA, TONGA, TONGA, TONGA, CARRIZO, CARRIZO,

        CARRIZO, CARRIZO, CARRIZO, FIJI, STONEY, POLARIS11, POLARIS11,

        POLARIS11, POLARIS11, POLARIS11, POLARIS11, POLARIS11, POLARIS11,

        POLARIS11, POLARIS10, POLARIS10, POLARIS10, POLARIS10, POLARIS10,

        POLARIS10, POLARIS10, POLARIS10, POLARIS10, POLARIS10, POLARIS10

[     3.553] (II) [KMS] Kernel modesetting enabled.

[     3.553] (II) AMDGPU(0): ShareFD: disabled

[     3.554] (DB) AMDGPU(0): open fd=10

[     3.554] (II) [KMS] Kernel modesetting enabled.

[     3.554] (II) AMDGPU(G0): ShareFD: disabled

[     3.554] (DB) AMDGPU(G0): open fd=12

[     3.554] (II) AMDGPU(0): AMDGPU DDX hybrid version: 16.40.5

[     3.554] (II) AMDGPU(0): AMDGPU kernel module hybrid version: 16.40.5

[     3.554] (II) AMDGPU(0): Creating default Display subsection in Screen section

        "Default Screen Section" for depth/fbbpp 24/32

[...]

[     3.543] (II) xfree86: Adding drm device (/dev/dri/card0)

[     3.543] (II) xfree86: Adding drm device (/dev/dri/card1)

[     3.545] (--) PCI: (0:2:0:0) 1002:67df:1682:9480 rev 199, Mem @ 0xe0000000/268435456, 0xf0000000/2097152, 0xfbe00000/262144, I/O @ 0x0000e000/256, BIOS @ 0x????????/131072

[     3.545] (--) PCI:*(0:3:0:0) 1002:67df:1682:9480 rev 199, Mem @ 0xc0000000/268435456, 0xd0000000/2097152, 0xfbd00000/262144, I/O @ 0x0000d000/256, BIOS @ 0x????????/131072

[     3.545] (II) LoadModule: "glx"

[     3.545] (II) Loading /opt/amdgpu-pro/lib/xorg/modules/extensions/libglx.so

[     3.552] (II) Module glx: vendor="X.Org Foundation"

[     3.552]    compiled for 1.18.0, module version = 1.0.0

[     3.552]    ABI class: X.Org Server Extension, version 9.0

[     3.552] (==) AIGLX enabled

[     3.552] (II) LoadModule: "amdgpu"

[     3.552] (II) Loading /opt/amdgpu-pro/lib/xorg/modules/drivers/amdgpu_drv.so

[     3.553] (II) Module amdgpu: vendor="X.Org Foundation"

[     3.553]    compiled for 1.18.4, module version = 1.1.99

[     3.553]    Module class: X.Org Video Driver

[     3.553]    ABI class: X.Org Video Driver, version 20.0

[     3.553] (II) AMDGPU: Driver for AMD Radeon chipsets: BONAIRE, BONAIRE, BONAIRE,

        BONAIRE, BONAIRE, BONAIRE, BONAIRE, BONAIRE, BONAIRE, BONAIRE,

        BONAIRE, KABINI, KABINI, KABINI, KABINI, KABINI, KABINI, KABINI,

        KABINI, KABINI, KABINI, KABINI, KABINI, KABINI, KABINI, KABINI,

        KABINI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI,

        KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI,

        KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, KAVERI, HAWAII, HAWAII,

        HAWAII, HAWAII, HAWAII, HAWAII, HAWAII, HAWAII, HAWAII, HAWAII,

        HAWAII, HAWAII, TOPAZ, TOPAZ, TOPAZ, TOPAZ, TOPAZ, TONGA, TONGA,

        TONGA, TONGA, TONGA, TONGA, TONGA, TONGA, TONGA, CARRIZO, CARRIZO,

        CARRIZO, CARRIZO, CARRIZO, FIJI, STONEY, POLARIS11, POLARIS11,

        POLARIS11, POLARIS11, POLARIS11, POLARIS11, POLARIS11, POLARIS11,

        POLARIS11, POLARIS10, POLARIS10, POLARIS10, POLARIS10, POLARIS10,

        POLARIS10, POLARIS10, POLARIS10, POLARIS10, POLARIS10, POLARIS10

[     3.553] (II) [KMS] Kernel modesetting enabled.

[     3.553] (II) AMDGPU(0): ShareFD: disabled

[     3.554] (DB) AMDGPU(0): open fd=10

[     3.554] (II) [KMS] Kernel modesetting enabled.

[     3.554] (II) AMDGPU(G0): ShareFD: disabled

[     3.554] (DB) AMDGPU(G0): open fd=12

[     3.554] (II) AMDGPU(0): AMDGPU DDX hybrid version: 16.40.5

[     3.554] (II) AMDGPU(0): AMDGPU kernel module hybrid version: 16.40.5

[     3.554] (II) AMDGPU(0): Creating default Display subsection in Screen section

        "Default Screen Section" for depth/fbbpp 24/32

[     3.554] (==) AMDGPU(0): Depth 24, (--) framebuffer bpp 32

[     3.554] (II) AMDGPU(0): Pixel depth = 24 bits stored in 4 bytes (32 bpp pixmaps)

[     3.554] (==) AMDGPU(0): Default visual is TrueColor

[     3.554] (**) AMDGPU(0): Option "TearFree" "on"

[     3.554] (==) AMDGPU(0): RGB weight 888

[     3.554] (II) AMDGPU(0): Using 8 bits per RGB (8 bit DAC)

[     3.554] (--) AMDGPU(0): Chipset: "POLARIS10" (ChipID = 0x67df)

[...]

[     3.563] (II) glamor: OpenGL accelerated X.org driver based.

[     3.697] (II) glamor: EGL version 1.4:

[     3.720] (II) AMDGPU(0): glamor detected, initialising EGL layer.

[     3.720] (**) AMDGPU(0): TearFree enabled

[     3.720] (WW) AMDGPU(0): KMS Pageflipping: disabled because of ShadowPrimary/TearFree

[     3.720] (II) AMDGPU(0): Output DisplayPort-3 has no monitor section

[     3.721] (II) AMDGPU(0): Output DisplayPort-4 has no monitor section

[     3.721] (II) AMDGPU(0): Output DisplayPort-5 has no monitor section

[     3.722] (II) AMDGPU(0): Output HDMI-A-1 has no monitor section

[     3.722] (II) AMDGPU(0): EDID for output DisplayPort-3

[     3.723] (II) AMDGPU(0): EDID for output DisplayPort-4

[     3.723] (II) AMDGPU(0): Manufacturer: SAM  Model: 5cc  Serial#: 1280455220

[     3.723] (II) AMDGPU(0): Year: 2010  Week: 18

[     3.723] (II) AMDGPU(0): EDID Version: 1.3

[     3.723] (II) AMDGPU(0): Digital Display Input

[     3.723] (II) AMDGPU(0): Max Image Size [cm]: horiz.: 53  vert.: 30

[     3.723] (II) AMDGPU(0): Gamma: 2.20

[     3.723] (II) AMDGPU(0): DPMS capabilities: Off

[     3.723] (II) AMDGPU(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4

[     3.723] (II) AMDGPU(0): First detailed timing is preferred mode

[     3.723] (II) AMDGPU(0): redX: 0.649 redY: 0.338   greenX: 0.289 greenY: 0.609

[...]

[     3.724] (II) AMDGPU(G0): AMDGPU DDX hybrid version: 16.40.5

[     3.724] (II) AMDGPU(G0): AMDGPU kernel module hybrid version: 16.40.5

[     3.724] (==) AMDGPU(G0): Depth 24, (--) framebuffer bpp 32

[     3.724] (II) AMDGPU(G0): Pixel depth = 24 bits stored in 4 bytes (32 bpp pixmaps)

[     3.724] (==) AMDGPU(G0): Default visual is TrueColor

[     3.724] (**) AMDGPU(G0): Option "TearFree" "on"

[     3.724] (==) AMDGPU(G0): RGB weight 888

[     3.724] (II) AMDGPU(G0): Using 8 bits per RGB (8 bit DAC)

[     3.724] (--) AMDGPU(G0): Chipset: "POLARIS10" (ChipID = 0x67df)

[...]

[     3.725] (II) glamor: OpenGL accelerated X.org driver based.

[     3.768] (II) glamor: EGL version 1.4:

[     3.808] (II) AMDGPU(G0): glamor detected, initialising EGL layer.

[     3.808] (**) AMDGPU(G0): TearFree enabled

[     3.808] (WW) AMDGPU(G0): KMS Pageflipping: disabled because of ShadowPrimary/TearFree

[     3.809] (II) AMDGPU(G0): Output DisplayPort-1-0 has no monitor section

[     3.809] (II) AMDGPU(G0): Output DisplayPort-1-1 has no monitor section

[     3.809] (II) AMDGPU(G0): Output DisplayPort-1-2 has no monitor section

[     3.809] (II) AMDGPU(G0): Output HDMI-A-1-0 has no monitor section

[     3.809] (II) AMDGPU(G0): EDID for output DisplayPort-1-0

[     3.809] (II) AMDGPU(G0): EDID for output DisplayPort-1-1

[     3.809] (II) AMDGPU(G0): EDID for output DisplayPort-1-2

[     3.809] (II) AMDGPU(G0): EDID for output HDMI-A-1-0

[     3.809] (II) AMDGPU(G0): Using default gamma of (1.0, 1.0, 1.0) unless otherwise stated.

[     3.809] (II) AMDGPU(G0): mem size init: gart size :1ffd78000 vram size: s:1fea5a000 visible:17efc3800

[     3.809] (II) AMDGPU(G0): Video RAM: 8366440 kByte

[     3.809] (==) AMDGPU(G0): DPI set to (96, 96)

[...]

We win !

For your information :

AMD drivers version 17.10 need the "/usr/share/X11/xorg.conf.d/10-amdgpu-pro.conf" modifications about Tearfree to avoid Xorg.0.log flood.