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  1. Updated: I was determined to fix this issue: 1) I downgrade the AMD drivers - NO CHANGE 2) Removed the AMD driver and reverted back to the stock Windows 10 driver - NO CHANGE 2) I moved the card to a different slot- NO CHANGE 3) I removed the card and replaced it with an older AMD card with support for the same drivers - FIXED I also put the card in a standalone Windows 10 machine (as I thought maybe there was a defect in the card) and it has run stable for over 24 hours now. I think the card is good. If you are using a AMD RX 5xx card via pass-thru to a Win 7 or Win10 machine please post and let me know if you have been successful. I know there have been alot of issues with the AMD RX cards with pass thru. Before I buy another one I want to make sure I am not going to have issues. Thanks
  2. Whenever I run my Windows 7 or Windows 10 VM with my AMD RX 560 card passed thru the system runs for an hour or two and then the entire UNRAID system halts with the above error. I have done a number of google searches and I can not find what an error 40 means. Can anyone help? Solutions for other DMAR: DRHD errors is to add an line in the Kernel parameter intel_iommu=off Thanks George
  3. Here is the XML of the Windows 7 VM <domain type='kvm'> <name>Windows 7-OEM</name> <uuid>85321419-02bc-86b0-a318-55279d35e1ba</uuid> <metadata> <vmtemplate xmlns="unraid" name="Windows 7" icon="windows7.png" os="windows7"/> </metadata> <memory unit='KiB'>8388608</memory> <currentMemory unit='KiB'>8388608</currentMemory> <memoryBacking> <nosharepages/> </memoryBacking> <vcpu placement='static'>4</vcpu> <cputune> <vcpupin vcpu='0' cpuset='1'/> <vcpupin vcpu='1' cpuset='11'/> <vcpupin vcpu='2' cpuset='2'/> <vcpupin vcpu='3' cpuset='12'/> </cputune> <os> <type arch='x86_64' machine='pc-i440fx-2.11'>hvm</type> </os> <features> <acpi/> <apic/> </features> <cpu mode='host-passthrough' check='none'> <topology sockets='1' cores='2' threads='2'/> </cpu> <clock offset='localtime'> <timer name='rtc' tickpolicy='catchup'/> <timer name='pit' tickpolicy='delay'/> <timer name='hpet' present='no'/> </clock> <on_poweroff>destroy</on_poweroff> <on_reboot>restart</on_reboot> <on_crash>restart</on_crash> <devices> <emulator>/usr/local/sbin/qemu</emulator> <disk type='file' device='disk'> <driver name='qemu' type='qcow2' cache='writeback'/> <source file='/mnt/user/domains/Windows 7-OEM/vdisk1.img'/> <target dev='hdc' bus='virtio'/> <boot order='1'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </disk> <controller type='usb' index='0' model='ich9-ehci1'> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x7'/> </controller> <controller type='usb' index='0' model='ich9-uhci1'> <master startport='0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0' multifunction='on'/> </controller> <controller type='usb' index='0' model='ich9-uhci2'> <master startport='2'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x1'/> </controller> <controller type='usb' index='0' model='ich9-uhci3'> <master startport='4'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x2'/> </controller> <controller type='pci' index='0' model='pci-root'/> <controller type='virtio-serial' index='0'> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </controller> <interface type='bridge'> <mac address='52:54:00:75:d6:e3'/> <source bridge='br1'/> <model type='virtio'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/> </interface> <serial type='pty'> <target type='isa-serial' port='0'> <model name='isa-serial'/> </target> </serial> <console type='pty'> <target type='serial' port='0'/> </console> <channel type='unix'> <target type='virtio' name='org.qemu.guest_agent.0'/> <address type='virtio-serial' controller='0' bus='0' port='1'/> </channel> <input type='mouse' bus='ps2'/> <input type='keyboard' bus='ps2'/> <hostdev mode='subsystem' type='pci' managed='yes' xvga='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x17' slot='0x00' function='0x0'/> </source> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='pci' managed='yes'> <driver name='vfio'/> <source> <address domain='0x0000' bus='0x17' slot='0x00' function='0x1'/> </source> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='usb' managed='no'> <source> <vendor id='0x041e'/> <product id='0x324d'/> </source> <address type='usb' bus='0' port='1'/> </hostdev> <hostdev mode='subsystem' type='usb' managed='no'> <source> <vendor id='0x045e'/> <product id='0x028e'/> </source> <address type='usb' bus='0' port='2'/> </hostdev> <hostdev mode='subsystem' type='usb' managed='no'> <source> <vendor id='0x045e'/> <product id='0x07b2'/> </source> <address type='usb' bus='0' port='3'/> </hostdev> <memballoon model='virtio'> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/> </memballoon> </devices> </domain>
  4. I am running UNRAID 6.5.3 on a Dell 5820 Workstation, all runs well with my Linux VMs with several days uptime with no issues. Whenever I run my Win7-64 Bit VM the system runs fine when I am actively using it. However if I just leave the machine running I come back several hours later and the UNRAID system is froze. I see the Windows 7 desktop on one monitor and my Linux desktop on the others. I have tried to figure the issue out myself but to no avail. I have turned on debug mode and I am attacking the last logs before the system hangs. Sleep mode is turned off on all of the VMs and UNRAID. I have the Windows machine passed through to a Gigabyte AMD R560 GPU with the GPU BIOS passed thru. Please advise on any ideas. George FCPsyslog_tail.txt