plymouth: add kernel cmdline parameter 'loglevel=3' after 'quiet'

loglevel=3 will remove warnings about ACPI errors and processor vulnerabilities. These messages break silent boot and scare users. However, we cannot correct these errors. 'loglevel=3' must be after 'quiet'. Otherwise, errors are shown.

plymouth: add kernel cmdline parameter 'loglevel=3' after 'quiet'
a64d7763 · Anton Midyukov · Roman Alifanov · fe878f86 · a64d7763
Commit a64d7763 authored Jun 01, 2023 by Anton Midyukov Committed by Roman Alifanov Jul 20, 2023
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config.mk features.in/plymouth/config.mk +2 -2

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--- a/features.in/plymouth/config.mk
+++ b/features.in/plymouth/config.mk
@@ -20,7 +20,7 @@ use/plymouth/stage2: use/plymouth use/branding \
 	@$(call add,STAGE1_PACKAGES,make-initrd-plymouth)
 	@$(call add,STAGE1_BRANDING,bootsplash graphics)
 	@$(call add,STAGE2_BRANDING,bootsplash graphics)
-	@$(call add,STAGE2_BOOTARGS,quiet splash)
+	@$(call add,STAGE2_BOOTARGS,quiet loglevel=3 splash)
 else
 use/plymouth/stage2: use/plymouth use/branding; @:
 endif
@@ -33,7 +33,7 @@ endif
 	@$(call add,THE_PACKAGES,make-initrd-plymouth cpio)
 ifeq (vm,$(IMAGE_CLASS))
 	@$(call add,VM_INITRDFEATURES,plymouth)
-	@$(call add,BASE_BOOTARGS,quiet splash)
+	@$(call add,BASE_BOOTARGS,quiet loglevel=3 splash)
 endif

 use/plymouth/full: use/plymouth/stage2 use/plymouth/base; @: