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    Hey there fellow Proxmoxers, I've coded a little program that you might find useful. It was inspired by the trouble I was having getting any of the mail programs to work for logging ZFS errors as reported by ZED, which comes by default with Proxmox. I wanted to use webhooks anyways, as they're...
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    GPU Passthrough: Invalid ROM Contents after VM restart

    I am using the GPU Seabios PCI PASSTHROUGH method to passthrough an EVGA GTS 450 graphics card: bootdisk: virtio0 cores: 4 memory: 4096 name: MINT hostpci0: 03:00.0,x-vga=on net0: bridge=vmbr0,virtio=36:30:64:33:65:65 numa: 0 ostype: l26 serial0: socket smbios1...
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    [SOLVED] UNCLAIMED Device - EVGA GTS 450 - VGA Arbitration - SeaBIOS - Ubuntu 16.04

    It turns out I had a fundamental misunderstanding that, once realized, enabled me to see passthrough and arbitration was working with my graphics card! What it meant when I could not see anything via noVNC, yet the Ubuntu VM was running with "x-vga=on" added to the <vmid>.conf, was that the...
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    Nvidia GPU Passthrough Assistance!

    Would be interested to see your lshw results in the various contexts I've outlined in my own thread over here.
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    [SOLVED] UNCLAIMED Device - EVGA GTS 450 - VGA Arbitration - SeaBIOS - Ubuntu 16.04

    Hardware: Motherboard: X10SRH-CLN4F CPU: E5-2648L v3 (ES: Engineering Sample) RAM: DDR4 2133MHZ 1.2V LRDIMM GPU: EVGA GeForce GTS 450 FPB (Free Performance Boost) Images of hardware: Software: Proxmox Virtual Environment 4.2-2/725d76f0 (pve-manager/4.2-2/725d76f0)...
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    Nvidia GPU Passthrough Assistance!

    Try reducing memory allocated < 2 GB. Try running in Proxmox VE: update-initramfs -u Try using 32-bit Ubuntu in the guest VM.
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    Nvidia GPU Passthrough Assistance!

    Some random ideas: Try setting motherboard BIOS to offboard VGA, instead of using onboard. Try setting "Start at boot" to "Yes" and rebooting the Proxmox VE node. Install Ubuntu 16.04 on a USB key and boot directly into that, and make sure it is able to use the GFX card on bare metal by...


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