Aspm on Damien Dye's Blog https://blogs.damiendye.uk/en/tags/aspm/ Recent content in Aspm on Damien Dye's Blog Hugo en-GB Fri, 07 Aug 2026 09:20:00 +0100 PCIe ASPM and Why You Should Disable It for Passthrough https://blogs.damiendye.uk/en/proxmox/pcie-aspm-passthrough/ Fri, 07 Aug 2026 09:20:00 +0100 https://blogs.damiendye.uk/en/proxmox/pcie-aspm-passthrough/ Active State Power Management saves a few watts on idle PCIe links. Under VFIO passthrough, it adds latency jitter that's hard to diagnose and easy to fix.