FS#73484 - [linux] CONFIG_NO_HZ_FULL is not set
Attached to Project:
Arch Linux
Opened by Gustavo Alvarez (sl1pkn07) - Monday, 24 January 2022, 15:45 GMT
Last edited by Toolybird (Toolybird) - Thursday, 02 March 2023, 06:49 GMT
Opened by Gustavo Alvarez (sl1pkn07) - Monday, 24 January 2022, 15:45 GMT
Last edited by Toolybird (Toolybird) - Thursday, 02 March 2023, 06:49 GMT
|
Details
is a recomendation for VFIO passtrought set the kernel
parameter `nohz_full` for isolate the cpus used for
virtualization machine [1]
bith this config is disabled in the actual kernel [ 0.000000] Command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=3ef60ebc-17d4-40a1-8710-2750e58f16e0 rw init=/usr/lib/systemd/systemd pci=nommconf intremap=no_x2apic_optout intel_iommu=on iommu=pt isolcpus=10,11,22,23,34,35,46,47 nohz_full=10,11,22,23,34,35,46,47 rcu_nocbs=10,11,22,23,34,35,46,47 [ 0.385821] Kernel command line: BOOT_IMAGE=/vmlinuz-linux root=UUID=3ef60ebc-17d4-40a1-8710-2750e58f16e0 rw init=/usr/lib/systemd/systemd pci=nommconf intremap=no_x2apic_optout intel_iommu=on iommu=pt isolcpus=10,11,22,23,34,35,46,47 nohz_full=10,11,22,23,34,35,46,47 rcu_nocbs=10,11,22,23,34,35,46,47 [ 0.385950] Housekeeping: nohz unsupported. Build with CONFIG_NO_HZ_FULL [ 0.385975] Unknown kernel command line parameters "BOOT_IMAGE=/vmlinuz-linux nohz_full=10,11,22,23,34,35,46,47 rcu_nocbs=10,11,22,23,34,35,46,47", will be passed to user space. [ 3.087430] nohz_full=10,11,22,23,34,35,46,47 └───╼ zcat /proc/config.gz | grep CONFIG_NO_HZ_FULL # CONFIG_NO_HZ_FULL is not set please add support for this option [1] https://wiki.archlinux.org/title/PCI_passthrough_via_OVMF#Isolating_pinned_CPUs greetings |
This task depends upon
Closed by Toolybird (Toolybird)
Thursday, 02 March 2023, 06:49 GMT
Reason for closing: Fixed
Additional comments about closing: CONFIG_NO_HZ_FULL is set these days.
Thursday, 02 March 2023, 06:49 GMT
Reason for closing: Fixed
Additional comments about closing: CONFIG_NO_HZ_FULL is set these days.