Bogon kernel command line options: Difference between revisions
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<tt>BOOT_IMAGE=/boot/vmlinuz-5.16.13nlb2 root=UUID=939be09a-b63d-403c-996a-8b9866313fbb ro mem_encrypt=off psi=0 acpi_enforce_resources=lax intel_iommu=on</tt> | <tt>BOOT_IMAGE=/boot/vmlinuz-5.16.13nlb2 root=UUID=939be09a-b63d-403c-996a-8b9866313fbb ro mem_encrypt=off psi=0 acpi_enforce_resources=lax intel_iommu=on</tt> | ||
<tt>psi=0</tt> refers to the Pressure Stall Information feedback system introduced in 2018 by Facebook hackers, which you can read about [https://www.kernel.org/doc/html/latest/accounting/psi.html here] or [https://lwn.net/Articles/764761/ here]. <tt>acpi_enforce_resources= | <tt>psi=0</tt> refers to the Pressure Stall Information feedback system introduced in 2018 by Facebook hackers, which you can read about [https://www.kernel.org/doc/html/latest/accounting/psi.html here] or [https://lwn.net/Articles/764761/ here]. <tt>acpi_enforce_resources=lax</tt> is sadly necessary to control my bling-ass LEDs using [https://openrgb.org/ OpenRGB]. | ||
anyway, i wasn't aware of this dmesg output (added on [https://lore.kernel.org/lkml/20210511211009.42259-1-ahalaney@redhat.com/ 2021-05]), but it seems a useful bit of diagnostics. unfuck your kernel command line! | anyway, i wasn't aware of this dmesg output (added on [https://lore.kernel.org/lkml/20210511211009.42259-1-ahalaney@redhat.com/ 2021-05]), but it seems a useful bit of diagnostics. unfuck your kernel command line! | ||