linux:notes:kernel_parameters_todo
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Table of Contents
spi_intel.writeable='1' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ sudo fwupdmgr set-bios-setting 'TypeCPower' '15W' sudo fwupdmgr set-bios-setting 'Touchscreen' 'Disabled' sudo fwupdmgr set-bios-setting 'UsbEmu' 'Disabled' sudo fwupdmgr set-bios-setting 'DRmt' 'Disabled' sudo fwupdmgr set-bios-setting 'TbtPcieModeAutoSwitch' 'Disabled' sudo fwupdmgr set-bios-setting 'FanCtrlOvrd' 'Enabled' ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ splash=silent resume=/dev/disk/by-uuid/x quiet security= acpi_osi='Linux' idle='halt' nohz='off' preempt='full' iommu='pt' pci='pcie_bus_perf,realloc,pcie_scan_all,big_root_window' pcie_aspm='off' pcie_port_pm='off' module_blacklist='iTCO_wdt,intel_oc_wdt' nowatchdog tsc='nowatchdog' drm_kms_helper.poll='0' rootflags='data=writeback' # End
dell_lis3lv02d.probe_i2c_addr='1'
drm_kms_helper.fbdev_emulation='0'
systemd-analyze Startup finished in 4.734s (firmware) + 515ms (loader) + 888ms (kernel) + 2.039s (initrd) + 2.888s (userspace) = 11.066s graphical.target reached after 2.888s in userspace.
- 2025/10/18 oS TW Xfce 1s GRUB
Startup finished in 4.478s (firmware) + 1.684s (loader) + 879ms (kernel) + 2.896s (initrd) + 2.842s (userspace) = 12.781s graphical.target reached after 2.737s in userspace.
Startup finished in 4.638s (firmware) + 569ms (loader) + 873ms (kernel) + 2.848s (initrd) + 2.816s (userspace) = 11.745s graphical.target reached after 2.715s in userspace.
Startup finished in 3.262s (firmware) + 471ms (loader) + 355ms (kernel) + 2.898s (initrd) + 2.758s (userspace) = 9.746s graphical.target reached after 2.757s in userspace.
YaST2 Boot Loader
- Kernel Parameters → CPU Mitigations: Off
- Kernel Parameters →
[x]Graphical console - Bootloader Options → Timeout in Seconds:
1
i915
sudo -e '/etc/modprobe.d/99-i915-tweaks.conf'
options i915 disable_power_well=0 options i915 enable_dc=0 options i915 enable_dmc_wl=0 options i915 enable_dpt=0 options i915 enable_dsb=0 options i915 enable_fbc=0 options i915 enable_guc=0 options i915 enable_ips=0 options i915 enable_psr2_sel_fetch=0 options i915 enable_psr=0 options i915 enable_sagv=0 options i915 guc_log_level=0 options i915 mitigations=off options i915 nuclear_pageflip=1 options i915 panel_use_ssc=0 options i915 verbose_state_checks=0 options i915 enable_dpcd_backlight=0 options i915 error_capture=0 # End
Verify
sudo systool -v -m 'i915'
sudo modinfo -p 'i915'
SSD
sudo -e '/etc/modprobe.d/99-ssd-tweaks.conf'
options ahci mobile_lpm_policy=1 options nvme noacpi=1 options nvme_core default_ps_max_latency_us=0 options nvme_core iopolicy=queue-depth options nvme_core multipath_always_on=1 # End
Verify
ahci
sudo systool -v -m 'ahci'
sudo modinfo -p 'ahci'
nvme
sudo systool -v -m 'nvme'
sudo modinfo -p 'nvme'
nvme_core
sudo systool -v -m 'nvme_core'
sudo modinfo -p 'nvme_core'
snd_hda_intel
sudo -e '/etc/modprobe.d/99-snd-tweaks.conf'
options snd_hda_intel power_save=0 # End
Verify
sudo systool -v -m 'snd_hda_intel'
sudo modinfo -p 'snd_hda_intel'
iwlwifi
sudo -e '/etc/modprobe.d/99-iwlwifi-tweaks.conf'
options iwlmvm power_scheme=1 options iwlwifi bt_coex_active=0 options iwlwifi led_mode=3 # End
Verify
iwlmvm
sudo systool -v -m 'iwlmvm'
sudo modinfo -p 'iwlmvm'
iwlwifi
sudo systool -v -m 'iwlwifi'
sudo modinfo -p 'iwlwifi'
/usr/local/www/wiki/data/attic/linux/notes/kernel_parameters_todo.1760773209.txt.gz · Last modified: by Sean Rhone
