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--- linux:notes:kernel_parameters [2025/05/16 21:39] – external edit 127.0.0.1
+++ linux:notes:kernel_parameters [2025/10/21 04:21] (current) – Sean Rhone
@@ Line 2: / Line 2: @@
   * Various kernel options
-  * https://www.kernel.org/doc/html/latest/admin-guide/kernel-parameters.html
+  * https://docs.kernel.org/admin-guide/kernel-parameters.html
+  * https://www.kernel.org/doc/Documentation/admin-guide/kernel-parameters.txt
+  * https://www.kernel.org/doc/Documentation/fb/modedb.rst
 ===== systemd-boot =====
@@ Line 37: / Line 39: @@
 ====== Spinesnap ======
+===== Main =====
+  * [[linux;distros;opensuse_tumbleweed_gnome|openSUSE Tumbleweed (GNOME)]]
+  * 2025/07/20
+<code>acpi_osi='Linux' reboot='pci' idle='halt' nohz='off' preempt='full' iommu='pt' pci='nocrs,pcie_bus_perf,realloc,pcie_scan_all,big_root_window' pcie_aspm='off' pcie_port_pm='off' ahci.mobile_lpm_policy='1' iwlmvm.power_scheme='1' nvme_core.default_ps_max_latency_us='0' nvme.noacpi='1' nowatchdog modprobe.blacklist='iTCO_wdt' tsc='nowatchdog' snd_hda_intel.power_save='0' usbcore.autosuspend='-1' i915.mitigations='off' i915.enable_fbc='0' i915.enable_psr='0' i915.enable_dc='0' i915.enable_guc='3' i915.guc_log_level='0' i915.nuclear_pageflip='1' rootflags='data=writeback'</code>
 ===== General =====
@@ Line 58: / Line 67: @@
 ===== Mitigations =====
-****
+  * :!: 2025/08/08: openSUSE cannot have either ''mitigations'' option set on the text line through YaST ((''mitigations'' gets removed by something else likely related to the CPU mitigations option, and includes the ''i915.'' option))
 <code>mitigations='off' i915.mitigations='off'</code>
@@ Line 99: / Line 108: @@
 <code>mem_encrypt='on'</code>
-===== TPM Integrity =====
-  * https://www.phoronix.com/news/Linux-TPM-Disable-PCR-Integrity
-  * TODO: Option name (probably ''off'')
-<code>tpm.disable_pcr_integrity=</code>
 ====== AMDGPU ======
@@ Line 124: / Line 126: @@
   cat '/sys/module/amdgpu/parameters/ppfeaturemask'
-===== Disable PSR =====
-  * :?: ''0x15'' was seen somewhere for something
-  * 2025/03/04: Untested
-  amdgpu.dcdebugmask=0x10
 ====== NVIDIA ======