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HD630 Hangs Temporarily with IOAccelFenceMachine errors

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Asrock Z270X ITX Fatality
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I7-7700K
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HD 630 + RX 560
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So Interestingly, the freezing does not happen with 18,1 17,1 or 14,2, but none of them allow 2 displays either, even if I patch the framebuffer for the correct connector type, some refuse to load the screen, and some load it but the first screen frame corrupts or freezes until I remove the second one. All but 18,3 also gets rid of the window server unknown graphics errors.

Also interesting is that with 18,1 even when I drive the Igpu hard, with intel power gadget reading full throttle, appleintelinfo only show 2,5 in the igpu pstates. I tried restarting to see if it was a fluke but it is the same.

I will try disabling GFX0>IGPU as it is supposed to be a single gpu system. With 18,3, I had the whole spread on the igpu.
*Edit, disabling GFX>IGPU brought back the IGPU PM spread for 18,1. I attached another zip named nogfx0toigpu that has appleintelinfo output along with the usual stuff. Still no go on the second screen, it stops mirroring verbose at the point in which [IGPU] messages kick in, which I assume are coming from intel graphics fixup.

Also with 18,1 the system spends a lot more time on (13), treating it as the max efficiency for a while. See screenshot.

For the sake of completeness, debug zip as 18,1 attached.

The other thing to note is that I have the second display issue happening the exact same way if I install a rx560.
 

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    Screenshot 2017-12-09 18.16.11.png
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  • debug_7213 2.zip
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  • nogfx0toigpu.zip
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Last edited:

RehabMan

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So Interestingly, the freezing does not happen with 18,1 17,1 or 14,2, but none of them allow 2 displays either, even if I patch the framebuffer for the correct connector type, some refuse to load the screen, and some load it but the first screen frame corrupts or freezes until I remove the second one. All but 18,3 also gets rid of the window server unknown graphics errors.

Also interesting is that with 18,1 even when I drive the Igpu hard, with intel power gadget reading full throttle, appleintelinfo only show 2,5 in the igpu pstates. I tried restarting to see if it was a fluke but it is the same. I will try disabling GFX0>IGPU as it is supposed to be a single gpu system. With 18,3, I had the whole spread on the igpu.

Also with 18,1 the system spends a lot more time on (13), treating it as the max efficiency for a while. See screenshot.

For the sake of completeness, debug zip as 18,1 attached.

The other thing to note is that I have the second display issue happening the exact same way if I install a rx560.

This starts to get into AppleGraphicsDevicePolicy, X86PlatformPlugin (PM), AppleGraphicsPowerManagement.
NvidiaGraphicsFixup.kext supposedly does some patching with the policy part (even for non-Nvidia),... did you try it?
 
Joined
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Asrock Z270X ITX Fatality
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This starts to get into AppleGraphicsDevicePolicy, X86PlatformPlugin (PM), AppleGraphicsPowerManagement.
NvidiaGraphicsFixup.kext supposedly does some patching with the policy part (even for non-Nvidia),... did you try it?
I will go get it, should I stick to 18,1 with no GFX0>IGPU patching since that seems to be loading AGPM under Intel and x86platform both and PM seems to work fine?
 
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This starts to get into AppleGraphicsDevicePolicy, X86PlatformPlugin (PM), AppleGraphicsPowerManagement.
NvidiaGraphicsFixup.kext supposedly does some patching with the policy part (even for non-Nvidia),... did you try it?
Did not fix the second display issue, zip attached. If I patch the HDMI port to read the correct connector type I get no display, if I don't, it corrupts the first displays frame buffer. IT's not an HDMI issue per se though because if you connect a solo HDMI instead of DP, that works... If I connect solo HDMI, boot, and then plug in DP, that works as well.
 

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RehabMan

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Did not fix the second display issue, zip attached. If I patch the HDMI port to read the correct connector type I get no display, if I don't, it corrupts the first displays frame buffer. IT's not an HDMI issue per se though because if you connect a solo HDMI instead of DP, that works... If I connect solo HDMI, boot, and then plug in DP, that works as well.

Lots of known problems with multiple displays. Hotplug after boot almost always required. No fix that I know of.
 
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Lots of known problems with multiple displays. Hotplug after boot almost always required. No fix that I know of.
Is there a way to initialize to HDMI(third port index) instead of diplayport (first port index)?

well if anyone asks about the freezes, tell them they can go to imac18,1 without GFX0>IGPU and it takes care of that and the unknown graphics on the window server.
My larger concern is that I had the exact same display issue on a discrete GPU (rx560) though others report it working fine. I will install it again later and let you know.
 

RehabMan

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Is there a way to initialize to HDMI(third port index) instead of diplayport (first port index)?

The "4-displays" patch you have in your config.plist is wrong. It is patching much, much more that just the intended data. Good thing you have it disabled.

And you should patch to get the connector-type correct for each port.
Then see where you're at.
 
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The "4-displays" patch you have in your config.plist is wrong. It is patching much, much more that just the intended data. Good thing you have it disabled.

And you should patch to get the connector-type correct for each port.
Then see where you're at.
I had gotten it from toleda's repo, in case I needed it to use it with the skylake injection, but never needed it.

I did patch each of my ports, in that, one is displayport, one is hdmi, the motherboard only has two ports.
 
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I installed the RX560, disabled igpu in bios, and even with a macpro smbios, I still have the intel framebuffers loading. This did not get any less weird.

*OK Figured that one out. PSA: Asrock z270 mobo does not turn off IGPU even if you have it disabled as long as you do not revert shared ram to Auto..
 

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  • debug_22669.zip
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Last edited:
Joined
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Motherboard
Asrock Z270X ITX Fatality
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the error when it freezes looks like this, basically the same as with igpu if you use one of the non imac 18,1 ones
Code:
fault    00:23:53.162095 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:53.263158 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:53.363495 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:53.463534 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:53.564448 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:53.665523 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:53.766477 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:53.866733 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:53.967132 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.065468 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): initial wait for 1 second expired. Continue wait for 4 seconds. stamp 374272 (gpu_stamp=374270)
fault    00:23:54.068123 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.168459 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.269590 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.370050 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.470406 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.570553 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.671640 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.771805 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.826347 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): initial wait for 1 second expired. Continue wait for 4 seconds. stamp 374329 (gpu_stamp=374270)
fault    00:23:54.872936 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:54.973923 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.074995 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.176080 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.276793 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.377399 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.478037 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.579117 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.680139 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.780834 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.881607 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:55.982674 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.083208 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.183473 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.284551 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.385642 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.486354 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.587329 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.688176 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.789250 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.889341 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:56.989412 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.090487 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.191629 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.292551 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.393493 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.494153 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.594199 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.694325 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.795186 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.895372 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:57.996450 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:58.065483 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): timeout waiting for AMDRadeonAccelerator stamp 374272 (gpu_stamp=374270)
fault    00:23:58.097142 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:58.183875 -0500    kernel    virtual void IOAccelEventMachineFast2::checkGPUProgress() - Signaling hardware error on channel 0..
fault    00:23:58.183890 -0500    kernel    void IOAccelEventMachine2::signalHardwareError(eRestartRequest, int32_t): GPURestartSignaled stampIdx=0 type=2 prevType=0 numStamps=20
fault    00:23:58.183895 -0500    kernel    void IOAccelEventMachine2::signalHardwareError(eRestartRequest, int32_t): GPURestartEnqueued stampIdx=0 type=2
fault    00:23:58.183906 -0500    kernel    void IOAccelEventMachine2::hardwareErrorEvent(): setting restart type to 2 (channel 0)
fault    00:23:58.183910 -0500    kernel    void IOAccelEventMachine2::hardwareErrorEvent(): GPURestartDequeued stampIdx=0 type=2
fault    00:23:58.197239 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:58.298289 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:58.398723 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:58.499782 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:58.600169 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:58.700705 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:58.801288 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:58.801464 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.801541 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.801613 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.801701 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.801791 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.801846 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.801898 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.801950 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802010 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802069 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802128 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802185 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802238 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802294 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802348 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802403 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802457 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802512 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:23:58.802514 -0500    kernel    void IOAccelEventMachine2::restart_channel(): GPURestartBegin stampIdx=0 type=2
fault    00:23:58.826849 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:23:58.901479 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.001934 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.069792 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:23:59.102020 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.202507 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.303028 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.404069 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.505116 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.605796 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.706838 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.807879 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:23:59.827468 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:23:59.908025 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.008063 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.046126 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.046221 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.046310 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.046402 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.046493 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.046584 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.046676 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.046767 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.046860 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.046949 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.047045 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.047136 -0500    kernel    virtual sIOAccelEvent *IOAccelFIFOChannel2::getFirstPendingEvent(): All are finished
fault    00:24:00.070380 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:24:00.108446 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.209487 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.310211 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.410810 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.511853 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.612572 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.713247 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.813976 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:00.828465 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:24:00.915022 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.016066 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.071313 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:24:01.116182 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.216334 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.316533 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.417126 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.517208 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.617926 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.717939 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.818980 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:01.829505 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:24:01.919986 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.020692 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.072354 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:24:02.120772 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.221710 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.322674 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.423593 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.524635 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.625579 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.725683 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.826042 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:02.830549 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:24:02.926787 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:03.026829 -0500    kernel    void IOAccelFenceMachine::fence_timeout(IOTimerEventSource *): AMDRadeonAccelerator prodding blockFenceInterrupt
fault    00:24:03.070226 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:24:03.070249 -0500    kernel    virtual IOReturn IOAccelEventMachine2::waitForStamp(int32_t, stamp_t, stamp_t *): a graphics error occurred, exitting..
fault    00:24:03.070952 -0500    kernel    void IOAccelEventMachine2::restart_channel(): GPURestartEnd stampIdx=0 type=2
 
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