NVIDIA Maxwell Passthrough - Occasional Slowed Video and Audio Using HDMI


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Hello,

 

I've been trying to track down a hard-to-place and hard to replicate Video/Audio glitch I am having with Nvidia's Maxwell GPUs when passed to a Windows 10 virtual machine under unRAID with QEMU.

 

Let me first say, I have been passing through AMD GPUs with ESXI for probably 3-4 years now since ESXI 5.0, with varying results, with most of my issues stemming from AMD's drivers. While I notice much better performance and general stability using Nvidia GPUs under unRAID, I am having one major issue that is stopping me from sticking with this solution.

 

Problem Description: Anywhere from 15 minutes to 2 days after booting, there will be slowed audio and video playback that surfaces either at idle OR while being used. This affects not only video playback in VLC/MPC-HC/Chrome, but also system sounds, indicating it is something more than just a GPU acceleration problem with a program. This problem sometimes will fix itself just seconds after it appears, mostly after you close all running programs. Sometimes the problem persists, and requires a reboot, which does fix the issue until it reappears.

 

What I have determined is that every time it happens, playback is slowed to exactly 33% (1/3rd) of normal speed. I do have a video of it happening, if needed. System noises also appear to be slowed to 33% as well. Very odd, but at least consistent.

 

I have been troubleshooting this issue for about a month now by myself, and have come up with no fixes.

 

I have three IOMMU/VT-D systems with which to test in, any many cards to test with:

 

MAIN unRAID system (unRAID 6.0 Plus):

Supermicro X10SRL-F with E5-1650 V3 / 32GB ECC DDR4 / Buffalo IFC-PCIE2U3S2 USB 3.0 Passthrough / H310 IT MODE / Tested GPUs: GTX 980 / GTX 960

PCI Devices:

00:00.0 Host bridge: Intel Corporation Xeon E5 v3/Core i7 DMI2 (rev 02)
00:01.0 PCI bridge: Intel Corporation Xeon E5 v3/Core i7 PCI Express Root Port 1 (rev 02)
00:01.1 PCI bridge: Intel Corporation Xeon E5 v3/Core i7 PCI Express Root Port 1 (rev 02)
00:02.0 PCI bridge: Intel Corporation Xeon E5 v3/Core i7 PCI Express Root Port 2 (rev 02)
00:03.0 PCI bridge: Intel Corporation Xeon E5 v3/Core i7 PCI Express Root Port 3 (rev 02)
00:03.2 PCI bridge: Intel Corporation Xeon E5 v3/Core i7 PCI Express Root Port 3 (rev 02)
00:04.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DMA Channel 0 (rev 02)
00:04.1 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DMA Channel 1 (rev 02)
00:04.2 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DMA Channel 2 (rev 02)
00:04.3 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DMA Channel 3 (rev 02)
00:04.4 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DMA Channel 4 (rev 02)
00:04.5 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DMA Channel 5 (rev 02)
00:04.6 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DMA Channel 6 (rev 02)
00:04.7 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DMA Channel 7 (rev 02)
00:05.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Address Map, VTd_Misc, System Management (rev 02)
00:05.1 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Hot Plug (rev 02)
00:05.2 System peripheral: Intel Corporation Xeon E5 v3/Core i7 RAS, Control Status and Global Errors (rev 02)
00:05.4 PIC: Intel Corporation Xeon E5 v3/Core i7 I/O APIC (rev 02)
00:11.0 Unassigned class [ff00]: Intel Corporation C610/X99 series chipset SPSR (rev 05)
00:11.4 SATA controller: Intel Corporation C610/X99 series chipset sSATA Controller [AHCI mode] (rev 05)
00:14.0 USB controller: Intel Corporation C610/X99 series chipset USB xHCI Host Controller (rev 05)
00:16.0 Communication controller: Intel Corporation C610/X99 series chipset MEI Controller #1 (rev 05)
00:16.1 Communication controller: Intel Corporation C610/X99 series chipset MEI Controller #2 (rev 05)
00:1c.0 PCI bridge: Intel Corporation C610/X99 series chipset PCI Express Root Port #1 (rev d5)
00:1c.4 PCI bridge: Intel Corporation C610/X99 series chipset PCI Express Root Port #5 (rev d5)
00:1c.5 PCI bridge: Intel Corporation C610/X99 series chipset PCI Express Root Port #6 (rev d5)
00:1c.6 PCI bridge: Intel Corporation C610/X99 series chipset PCI Express Root Port #7 (rev d5)
00:1f.0 ISA bridge: Intel Corporation C610/X99 series chipset LPC Controller (rev 05)
00:1f.2 SATA controller: Intel Corporation C610/X99 series chipset 6-Port SATA Controller [AHCI mode] (rev 05)
00:1f.3 SMBus: Intel Corporation C610/X99 series chipset SMBus Controller (rev 05)
02:00.0 USB controller: Renesas Technology Corp. uPD720202 USB 3.0 Host Controller (rev 02)
03:00.0 VGA compatible controller: NVIDIA Corporation GM206 [GeForce GTX 960] (rev a1)
03:00.1 Audio device: NVIDIA Corporation Device 0fba (rev a1)
04:00.0 VGA compatible controller: NVIDIA Corporation GM204 [GeForce GTX 980] (rev a1)
04:00.1 Audio device: NVIDIA Corporation GM204 High Definition Audio Controller (rev a1)
05:00.0 USB controller: Renesas Technology Corp. uPD720202 USB 3.0 Host Controller (rev 02)
06:00.0 Serial Attached SCSI controller: LSI Logic / Symbios Logic SAS2008 PCI-Express Fusion-MPT SAS-2 [Falcon] (rev 03)
07:00.0 Ethernet controller: Intel Corporation I210 Gigabit Network Connection (rev 03)
08:00.0 Ethernet controller: Intel Corporation I210 Gigabit Network Connection (rev 03)
09:00.0 PCI bridge: ASPEED Technology, Inc. AST1150 PCI-to-PCI Bridge (rev 03)
0a:00.0 VGA compatible controller: ASPEED Technology, Inc. ASPEED Graphics Family (rev 30)
ff:0b.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 R3 QPI Link 0 & 1 Monitoring (rev 02)
ff:0b.1 Performance counters: Intel Corporation Xeon E5 v3/Core i7 R3 QPI Link 0 & 1 Monitoring (rev 02)
ff:0b.2 Performance counters: Intel Corporation Xeon E5 v3/Core i7 R3 QPI Link 0 & 1 Monitoring (rev 02)
ff:0c.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Unicast Registers (rev 02)
ff:0c.1 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Unicast Registers (rev 02)
ff:0c.2 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Unicast Registers (rev 02)
ff:0c.3 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Unicast Registers (rev 02)
ff:0c.4 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Unicast Registers (rev 02)
ff:0c.5 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Unicast Registers (rev 02)
ff:0f.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Buffered Ring Agent (rev 02)
ff:0f.1 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Buffered Ring Agent (rev 02)
ff:0f.4 System peripheral: Intel Corporation Xeon E5 v3/Core i7 System Address Decoder & Broadcast Registers (rev 02)
ff:0f.5 System peripheral: Intel Corporation Xeon E5 v3/Core i7 System Address Decoder & Broadcast Registers (rev 02)
ff:0f.6 System peripheral: Intel Corporation Xeon E5 v3/Core i7 System Address Decoder & Broadcast Registers (rev 02)
ff:10.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 PCIe Ring Interface (rev 02)
ff:10.1 Performance counters: Intel Corporation Xeon E5 v3/Core i7 PCIe Ring Interface (rev 02)
ff:10.5 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Scratchpad & Semaphore Registers (rev 02)
ff:10.6 Performance counters: Intel Corporation Xeon E5 v3/Core i7 Scratchpad & Semaphore Registers (rev 02)
ff:10.7 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Scratchpad & Semaphore Registers (rev 02)
ff:12.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Home Agent 0 (rev 02)
ff:12.1 Performance counters: Intel Corporation Xeon E5 v3/Core i7 Home Agent 0 (rev 02)
ff:13.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Target Address, Thermal & RAS Registers (rev 02)
ff:13.1 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Target Address, Thermal & RAS Registers (rev 02)
ff:13.2 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder (rev 02)
ff:13.3 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder (rev 02)
ff:13.4 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder (rev 02)
ff:13.5 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder (rev 02)
ff:13.6 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO Channel 0/1 Broadcast (rev 02)
ff:13.7 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO Global Broadcast (rev 02)
ff:14.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 0 Thermal Control (rev 02)
ff:14.1 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 1 Thermal Control (rev 02)
ff:14.2 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 0 ERROR Registers (rev 02)
ff:14.3 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 1 ERROR Registers (rev 02)
ff:14.4 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO (VMSE) 0 & 1 (rev 02)
ff:14.5 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO (VMSE) 0 & 1 (rev 02)
ff:14.6 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO (VMSE) 0 & 1 (rev 02)
ff:14.7 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO (VMSE) 0 & 1 (rev 02)
ff:15.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 2 Thermal Control (rev 02)
ff:15.1 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 3 Thermal Control (rev 02)
ff:15.2 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 2 ERROR Registers (rev 02)
ff:15.3 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 3 ERROR Registers (rev 02)
ff:16.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 1 Target Address, Thermal & RAS Registers (rev 02)
ff:16.6 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO Channel 2/3 Broadcast (rev 02)
ff:16.7 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO Global Broadcast (rev 02)
ff:17.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Integrated Memory Controller 1 Channel 0 Thermal Control (rev 02)
ff:17.4 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO (VMSE) 2 & 3 (rev 02)
ff:17.5 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO (VMSE) 2 & 3 (rev 02)
ff:17.6 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO (VMSE) 2 & 3 (rev 02)
ff:17.7 System peripheral: Intel Corporation Xeon E5 v3/Core i7 DDRIO (VMSE) 2 & 3 (rev 02)
ff:1e.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Power Control Unit (rev 02)
ff:1e.1 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Power Control Unit (rev 02)
ff:1e.2 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Power Control Unit (rev 02)
ff:1e.3 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Power Control Unit (rev 02)
ff:1e.4 System peripheral: Intel Corporation Xeon E5 v3/Core i7 Power Control Unit (rev 02)
ff:1f.0 System peripheral: Intel Corporation Xeon E5 v3/Core i7 VCU (rev 02)
ff:1f.2 System peripheral: Intel Corporation Xeon E5 v3/Core i7 VCU (rev 02)

 

IOMMU Groups:

/sys/kernel/iommu_groups/0/devices/0000:ff:0b.0
/sys/kernel/iommu_groups/0/devices/0000:ff:0b.1
/sys/kernel/iommu_groups/0/devices/0000:ff:0b.2
/sys/kernel/iommu_groups/1/devices/0000:ff:0c.0
/sys/kernel/iommu_groups/1/devices/0000:ff:0c.1
/sys/kernel/iommu_groups/1/devices/0000:ff:0c.2
/sys/kernel/iommu_groups/1/devices/0000:ff:0c.3
/sys/kernel/iommu_groups/1/devices/0000:ff:0c.4
/sys/kernel/iommu_groups/1/devices/0000:ff:0c.5
/sys/kernel/iommu_groups/2/devices/0000:ff:0f.0
/sys/kernel/iommu_groups/2/devices/0000:ff:0f.1
/sys/kernel/iommu_groups/2/devices/0000:ff:0f.4
/sys/kernel/iommu_groups/2/devices/0000:ff:0f.5
/sys/kernel/iommu_groups/2/devices/0000:ff:0f.6
/sys/kernel/iommu_groups/3/devices/0000:ff:10.0
/sys/kernel/iommu_groups/3/devices/0000:ff:10.1
/sys/kernel/iommu_groups/3/devices/0000:ff:10.5
/sys/kernel/iommu_groups/3/devices/0000:ff:10.6
/sys/kernel/iommu_groups/3/devices/0000:ff:10.7
/sys/kernel/iommu_groups/4/devices/0000:ff:12.0
/sys/kernel/iommu_groups/4/devices/0000:ff:12.1
/sys/kernel/iommu_groups/5/devices/0000:ff:13.0
/sys/kernel/iommu_groups/5/devices/0000:ff:13.1
/sys/kernel/iommu_groups/5/devices/0000:ff:13.2
/sys/kernel/iommu_groups/5/devices/0000:ff:13.3
/sys/kernel/iommu_groups/5/devices/0000:ff:13.4
/sys/kernel/iommu_groups/5/devices/0000:ff:13.5
/sys/kernel/iommu_groups/5/devices/0000:ff:13.6
/sys/kernel/iommu_groups/5/devices/0000:ff:13.7
/sys/kernel/iommu_groups/6/devices/0000:ff:14.0
/sys/kernel/iommu_groups/6/devices/0000:ff:14.1
/sys/kernel/iommu_groups/6/devices/0000:ff:14.2
/sys/kernel/iommu_groups/6/devices/0000:ff:14.3
/sys/kernel/iommu_groups/6/devices/0000:ff:14.4
/sys/kernel/iommu_groups/6/devices/0000:ff:14.5
/sys/kernel/iommu_groups/6/devices/0000:ff:14.6
/sys/kernel/iommu_groups/6/devices/0000:ff:14.7
/sys/kernel/iommu_groups/7/devices/0000:ff:15.0
/sys/kernel/iommu_groups/7/devices/0000:ff:15.1
/sys/kernel/iommu_groups/7/devices/0000:ff:15.2
/sys/kernel/iommu_groups/7/devices/0000:ff:15.3
/sys/kernel/iommu_groups/8/devices/0000:ff:16.0
/sys/kernel/iommu_groups/8/devices/0000:ff:16.6
/sys/kernel/iommu_groups/8/devices/0000:ff:16.7
/sys/kernel/iommu_groups/9/devices/0000:ff:17.0
/sys/kernel/iommu_groups/9/devices/0000:ff:17.4
/sys/kernel/iommu_groups/9/devices/0000:ff:17.5
/sys/kernel/iommu_groups/9/devices/0000:ff:17.6
/sys/kernel/iommu_groups/9/devices/0000:ff:17.7
/sys/kernel/iommu_groups/10/devices/0000:ff:1e.0
/sys/kernel/iommu_groups/10/devices/0000:ff:1e.1
/sys/kernel/iommu_groups/10/devices/0000:ff:1e.2
/sys/kernel/iommu_groups/10/devices/0000:ff:1e.3
/sys/kernel/iommu_groups/10/devices/0000:ff:1e.4
/sys/kernel/iommu_groups/11/devices/0000:ff:1f.0
/sys/kernel/iommu_groups/11/devices/0000:ff:1f.2
/sys/kernel/iommu_groups/12/devices/0000:00:00.0
/sys/kernel/iommu_groups/13/devices/0000:00:01.0
/sys/kernel/iommu_groups/14/devices/0000:00:01.1
/sys/kernel/iommu_groups/15/devices/0000:00:02.0
/sys/kernel/iommu_groups/16/devices/0000:00:03.0
/sys/kernel/iommu_groups/17/devices/0000:00:03.2
/sys/kernel/iommu_groups/18/devices/0000:00:04.0
/sys/kernel/iommu_groups/18/devices/0000:00:04.1
/sys/kernel/iommu_groups/18/devices/0000:00:04.2
/sys/kernel/iommu_groups/18/devices/0000:00:04.3
/sys/kernel/iommu_groups/18/devices/0000:00:04.4
/sys/kernel/iommu_groups/18/devices/0000:00:04.5
/sys/kernel/iommu_groups/18/devices/0000:00:04.6
/sys/kernel/iommu_groups/18/devices/0000:00:04.7
/sys/kernel/iommu_groups/19/devices/0000:00:05.0
/sys/kernel/iommu_groups/19/devices/0000:00:05.1
/sys/kernel/iommu_groups/19/devices/0000:00:05.2
/sys/kernel/iommu_groups/19/devices/0000:00:05.4
/sys/kernel/iommu_groups/20/devices/0000:00:11.0
/sys/kernel/iommu_groups/20/devices/0000:00:11.4
/sys/kernel/iommu_groups/21/devices/0000:00:14.0
/sys/kernel/iommu_groups/22/devices/0000:00:16.0
/sys/kernel/iommu_groups/22/devices/0000:00:16.1
/sys/kernel/iommu_groups/23/devices/0000:00:1c.0
/sys/kernel/iommu_groups/24/devices/0000:00:1c.4
/sys/kernel/iommu_groups/25/devices/0000:00:1c.5
/sys/kernel/iommu_groups/26/devices/0000:00:1c.6
/sys/kernel/iommu_groups/27/devices/0000:00:1f.0
/sys/kernel/iommu_groups/27/devices/0000:00:1f.2
/sys/kernel/iommu_groups/27/devices/0000:00:1f.3
/sys/kernel/iommu_groups/28/devices/0000:02:00.0
/sys/kernel/iommu_groups/29/devices/0000:03:00.0
/sys/kernel/iommu_groups/29/devices/0000:03:00.1
/sys/kernel/iommu_groups/30/devices/0000:04:00.0
/sys/kernel/iommu_groups/30/devices/0000:04:00.1
/sys/kernel/iommu_groups/31/devices/0000:05:00.0
/sys/kernel/iommu_groups/32/devices/0000:06:00.0
/sys/kernel/iommu_groups/33/devices/0000:07:00.0
/sys/kernel/iommu_groups/34/devices/0000:08:00.0
/sys/kernel/iommu_groups/35/devices/0000:09:00.0
/sys/kernel/iommu_groups/35/devices/0000:0a:00.0

 

ESXI System (unRAID 6.0 Free):

Supermicro X10DRL-i with dual E5-2630 V3 / 128GB ECC DDR4 / Tested GPUs: GTX 960 / GT 740 / QUADRO 600

 

Troubleshooting System: (unRAID 6.0 Free)

Gigabyte X79-UP4 with E5-2670 / 24GB DDR3 / 1144C USB 3.0 Passthrough / Tested GPUs: GTX 960 / GT 740 / QUADRO 600 / HD 7970 / HD 6450

 

The GTX 960 (Maxwell) has had this issue with all three systems, and the GTX 980 (Maxwell) has had issues with the only system I tested it in. The GT 740 (Kepler) so far has not seen this issue so far. The Quadro 600 does not have HDMI, but works fine with DVI. The GTX 960 and GTX 980 when using DVI and a USB Audio DAC have not experienced this issue. It is strictly a HDMI issue. Both AMD cards I tested do not have this issue.

 

I have installed and reinstalled Windows 10 many times, and have stuck to using SeaBIOS as it seems more stable.

 

I am limited to using HDMI, so I am looking for a solution. I have tried changing the GPU from Line Interrupts to Message Signaled Interrupts, with no change. I am looking to test Windows 7 with the same setup, and also try a Display-port to HDMI adapter.

 

If anyone has any experiences with this or anything they think I could try out, I'd be happy to test.

 

Thank you for your help!

Link to comment

Did you apply the msi fix explained in the unraid 6 manual of the wiki?

 

Yes, as buried in my post above (sorry about the number of words, I tend to be verbose), I have changed both the Audio and Video components of the GTX 980 to MSI mode:

 

37CUlpy.png

 

DKWBdYp.png

 

I made this a must-do on every card I use HDMI with, so every card I tested with so far has been in MSI mode.

 

I am going to drop that GT 740 into the X10SRL-F server after work, and test HDMI. Latest BIOS on that board too (dated 12/2015). Could it be a problem with the motherboard BIOS? Really seems unlikely to me, as the GTX 960 had issues in all of the systems I tested in, but maybe the problem lies with the firmware on that specific GTX 960 (EVGA 4GB 04G-P4-1962-KR). I have not tested the GTX 980 (Asus STRIX-GTX980-DC2OC-4GD5) in another machine. I'll test that in another system then too.

 

Thank you for your input though, if you have any other suggestions, I'm eager to hear them!

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  • 1 month later...

Hello!

 

Good news!

 

Shortly after my last reply I bought an HDMI coupler to go between my (at the time unfinished) TV connection and the (at the time unfinished) keystone run I have for the Unraid server (my other troubleshooting systems used the same drop). No problems at all with that, being wired directly to the TV. I am limited to using HDMI as I am running through 20 ft and 100 ft in-wall repeaters run between keystones, and have no other video+audio HDMI gear to test with (DisplayPort is my preference). I comically did try to haul the 70" TV down to the basement rack where the Unraid server lives to eliminate some variables, but found a corner too tight to navigate. There are no network drops at the TV (working on that), otherwise, the Unraid server would have been de-racked and brought up.

 

Long story short, this whole issue stemmed from passing HDMI through a receiver that ended up being faulty: a three month old Onkyo TX-RZ800. Every input on it eventually produced the same issue, strangely only with my Maxwell cards that have HDMI 2.0.

 

The new unit is working just fine, and the keystones are finished. All is well.

 

p.s. I hate leaving stuff unanswered on forums.  ;D

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  • 1 year later...

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