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beyre83

passthrough pci-e devices missing

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So i am currently running unraid 6.7 (Trial) as testing it out for my needs

it seems to tick all the box's for me... but sometimes when i turn the machine on

i have a Win 10 VM set to autostart but sometimes it fails to start due to

my Thunderbolt 3 (USB) controller not showing and it complaining that the Device ID

can't be found and sure enough it does not show up under the devices on the VM

 

i have to reboot the machine enter the bios then exit bios then when the machine starts it

will start the VM this issue is quite annoying as i don't understand why it's not detected

with every power on

 

if anyone can spread any light on this would very much be appreciated :)

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019-05-14 16:10:02.404+0000: 5774: info : libvirt version: 5.1.0
2019-05-14 16:10:02.404+0000: 5774: info : hostname: Tower
2019-05-14 16:10:02.404+0000: 5774: error : virPCIDeviceNew:1775 : Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory
2019-05-14 16:10:02.421+0000: 5774: error : virPCIDeviceNew:1775 : Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory
2019-05-14 16:10:02.421+0000: 5774: error : virHostdevReAttachPCIDevices:974 : Failed to allocate PCI device list: Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory
2019-05-14 16:10:02.437+0000: 5774: error : qemuAutostartDomain:252 : internal error: Failed to autostart VM 'Kristi PC': Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory
2019-05-14 16:10:09.429+0000: 5761: error : virPCIDeviceNew:1775 : Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory
2019-05-14 16:10:09.446+0000: 5761: error : virPCIDeviceNew:1775 : Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory
2019-05-14 16:10:09.446+0000: 5761: error : virHostdevReAttachPCIDevices:974 : Failed to allocate PCI device list: Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory
2019-05-14 16:10:24.629+0000: 5760: error : virPCIDeviceNew:1775 : Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory
2019-05-14 16:10:24.646+0000: 5760: error : virPCIDeviceNew:1775 : Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory
2019-05-14 16:10:24.646+0000: 5760: error : virHostdevReAttachPCIDevices:974 : Failed to allocate PCI device list: Device 0000:3c:00.0 not found: could not access /sys/bus/pci/devices/0000:3c:00.0/config: No such file or directory

just shut the VM down and powered on again and still getting this error??? it's not finding the Thunderbolt 3 (USB-C) Controller 

 

it's not even being detected... this really is frustrating 

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i have been messing around and had issues with the Windows 10 VM not booting and crashing.... traced the fault to using e1000-82545em as the network adapter choice in Windows 10 VM XML file.... when it was set to virtio Windows 10 booted every single time no issues using Q35 3.0 / 3.1 so i just passed through the entire nic through to the VM Intel 1211AT no problems now

 

so the system passes the wife test

 

Turn it on and it works finally 😛 

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