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linux:notes:modprobe.d_tweaks

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  • modprobe.d Tweaks

Spinesnap

i915

  • :?: HuC firmware timed-out likely with disabling PAVP (enable_guc=0)
  • 2026/04/25: enable_dmc_wl at 1 for Debian 13
sudo -e '/etc/modprobe.d/99-i915-tweaks.conf'
options i915 mitigations=off

options i915 disable_power_well=0
options i915 enable_dc=0
options i915 enable_sagv=0

options i915 enable_fbc=0
options i915 enable_psr=0
options i915 enable_psr2_sel_fetch=0
options i915 panel_use_ssc=0
options i915 enable_dpcd_backlight=0

options i915 enable_guc=0
options i915 enable_flipq=1
options i915 nuclear_pageflip=1

options i915 enable_dmc_wl=3

options i915 guc_log_level=0
options i915 error_capture=0
options i915 verbose_state_checks=0

options i915 enable_ips=0
options i915 enable_dpt=0
options i915 enable_dsb=0

# End

SSD

sudo -e '/etc/modprobe.d/99-ssd-tweaks.conf'
options ahci mobile_lpm_policy=1

options nvme noacpi=1

options nvme_core force_apst=0
options nvme_core disable_pi_offsets=1
options nvme_core default_ps_max_latency_us=0
options nvme_core multipath_always_on=1
options nvme_core iopolicy=queue-depth

# End

snd_hda_intel

sudo -e '/etc/modprobe.d/99-snd-tweaks.conf'
options snd_hda_intel power_save=0

options snd_hda_intel dmic_detect=0
options snd_intel_dspcfg dsp_driver=1

# End

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

Alira

echo 'options ahci mobile_lpm_policy=1' | sudo tee '/etc/modprobe.d/99-ssd-tweaks.conf' > '/dev/null'

USB UASP

  • :?: NAS needs UAS disabled and fallback to usb-storage 1) (ext4 NAS) 2)

JMicron

  • 152d:0578 JMicron Technology Corp. / JMicron USA Technology Corp. JMS578 SATA 6Gb/s
echo 'options usb-storage quirks=152d:0578:u' | sudo tee '/etc/modprobe.d/99-uas-disable.conf' > '/dev/null'
  • 174c:1352 ASMedia Technology Inc. USB 3.1 Device PM
echo 'options usb-storage quirks=174c:1352:u' | sudo tee '/etc/modprobe.d/99-uas-disable.conf' > '/dev/null'

radeon

sudo -e '/etc/modprobe.d/99-radeon-tweaks.conf'
options radeon audio=0

options radeon si_support=0
options radeon cik_support=0

# End

SELinux

sudo restorecon -F -I -R '/etc/modprobe.d'

Dracut

sudo dracut --force --regenerate-all

update-initramfs

sudo update-initramfs -k 'all' -c

Verify

sudo apt install 'sysfsutils'
systool -v -m 'x'
modinfo -p 'x'
sudo apt autoremove --purge 'sysfsutils'
1)
UAS has random disconnects any PSU Windows and Linux
2)
~2026/05/27: UAS seemingly stable with external-powered USB hub implying it could be board port/hardware related vs UAS subsystem
/srv/www/wiki/data/pages/linux/notes/modprobe.d_tweaks.txt · Last modified: by Sean Rhone

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