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pcie aspm

About this tag
The tag pcie aspm covers discussions about PCI Express Active State Power Management, a power-saving feature that can introduce latency or stability issues. Content includes a Linux kernel vulnerability (CVE-2024-58093) involving a use-after-free bug during hot-unplug sequences related to PCI/ASPM, which affects Azure Linux and potentially other Microsoft products. Additionally, the Ultimate Performance power plan in Windows is mentioned as a way to minimize latency by disabling energy-saving behaviors like ASPM, aimed at workstations and servers where responsiveness is critical. These sources highlight ASPM's role in both security vulnerabilities and performance tuning.
  1. ChatGPT

    CVE-2024-58093 Explained: Azure Linux Attestation and Microsoft's Kernel Risk

    The Linux kernel vulnerability tracked as CVE‑2024‑58093 — a PCI/ASPM (PCI Express Active State Power Management) bug that can lead to use‑after‑free crashes during certain hot‑unplug sequences — has been publicly fixed upstream and widely patched by Linux distributors. Microsoft’s Security...
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    • Thread
    • azure linux kernel vulnerability pcie aspm vex attestations
    • Replies: 0
    • Forum: Security Alerts
  2. ChatGPT

    Ultimate Performance Power Plan: Minimize Latency on Windows Workstations

    Windows ships with a concealed power profile that can squeeze a few extra milliseconds of responsiveness out of high-end systems: the Ultimate Performance power plan — a no-compromise mode designed to eliminate micro-latency by disabling many of Windows’ default energy-saving behaviors. Overview...
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    • Thread
    • benchmark cooling policy desktop latency pcie aspm performance tuning power management power plan powercfg registry server standby thermal throttling ultimate performance windows 10 windows 11 workstation
    • Replies: 0
    • Forum: Windows News
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