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Use a custom dracut module for decreasing the kernel logging #2037

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Merged
lslezak merged 1 commit into from
Feb 20, 2025
Merged

Use a custom dracut module for decreasing the kernel logging #2037

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6 changes: 3 additions & 3 deletions live/config-cdroot/fix_bootconfig.aarch64
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Original file line number Diff line number Diff line change
Expand Up @@ -80,21 +80,21 @@ terminal_output gfxterm
menuentry "Install $label" --class os --unrestricted {
set gfxpayload=keep
echo Loading kernel...
linux (\$root)/boot/aarch64/loader/linux \${extra_cmdline} \${isoboot} loglevel=4
linux (\$root)/boot/aarch64/loader/linux \${extra_cmdline} \${isoboot}
echo Loading initrd...
initrd (\$root)/boot/aarch64/loader/initrd
}
menuentry "Failsafe -- Install $label" --class os --unrestricted {
set gfxpayload=keep
echo Loading kernel...
linux (\$root)/boot/aarch64/loader/linux \${extra_cmdline} \${isoboot} loglevel=4 ide=nodma apm=off noresume edd=off nomodeset 3
linux (\$root)/boot/aarch64/loader/linux \${extra_cmdline} \${isoboot} ide=nodma apm=off noresume edd=off nomodeset 3
echo Loading initrd...
initrd (\$root)/boot/aarch64/loader/initrd
}
menuentry "Check Installation Medium" --class os --unrestricted {
set gfxpayload=keep
echo Loading kernel...
linux (\$root)/boot/aarch64/loader/linux loglevel=4 mediacheck=1 plymouth.enable=0 \${isoboot}
linux (\$root)/boot/aarch64/loader/linux mediacheck=1 plymouth.enable=0 \${isoboot}
echo Loading initrd...
initrd (\$root)/boot/aarch64/loader/initrd
}
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4 changes: 2 additions & 2 deletions live/config-cdroot/fix_bootconfig.ppc64le
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Expand Up @@ -97,14 +97,14 @@ fi

menuentry "Install $label" --class os --unrestricted {
echo 'Loading kernel...'
linux /boot/ppc64le/linux loglevel=4
linux /boot/ppc64le/linux
echo 'Loading initrd...'
initrd /boot/ppc64le/initrd
}

menuentry "Check Installation Medium" --class os --unrestricted {
echo 'Loading kernel...'
linux /boot/ppc64le/linux loglevel=4 mediacheck=1 plymouth.enable=0
linux /boot/ppc64le/linux mediacheck=1 plymouth.enable=0
echo 'Loading initrd...'
initrd /boot/ppc64le/initrd
}
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6 changes: 3 additions & 3 deletions live/config-cdroot/fix_bootconfig.x86_64
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Original file line number Diff line number Diff line change
Expand Up @@ -80,21 +80,21 @@ terminal_output gfxterm
menuentry "Install $label" --class os --unrestricted {
set gfxpayload=keep
echo Loading kernel...
linux (\$root)/boot/x86_64/loader/linux \${extra_cmdline} \${isoboot} loglevel=4
linux (\$root)/boot/x86_64/loader/linux \${extra_cmdline} \${isoboot}
echo Loading initrd...
initrd (\$root)/boot/x86_64/loader/initrd
}
menuentry "Failsafe -- Install $label" --class os --unrestricted {
set gfxpayload=keep
echo Loading kernel...
linux (\$root)/boot/x86_64/loader/linux \${extra_cmdline} \${isoboot} loglevel=4 ide=nodma apm=off noresume edd=off nomodeset 3
linux (\$root)/boot/x86_64/loader/linux \${extra_cmdline} \${isoboot} ide=nodma apm=off noresume edd=off nomodeset 3
echo Loading initrd...
initrd (\$root)/boot/x86_64/loader/initrd
}
menuentry "Check Installation Medium" --class os --unrestricted {
set gfxpayload=keep
echo Loading kernel...
linux (\$root)/boot/x86_64/loader/linux loglevel=4 mediacheck=1 plymouth.enable=0 \${isoboot}
linux (\$root)/boot/x86_64/loader/linux mediacheck=1 plymouth.enable=0 \${isoboot}
echo Loading initrd...
initrd (\$root)/boot/x86_64/loader/initrd
}
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6 changes: 6 additions & 0 deletions live/root/usr/lib/dracut/modules.d/97agama-logging/agama-logging.sh
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@@ -0,0 +1,6 @@
#! /bin/sh

# Display only kernel errors and more severe messages on the console. This is
# equivalent of using "loglevel=4" boot option, but we cannot use it because it
# would be written also to the bootloader configuration in the installed system.
dmesg --console-level 4
20 changes: 20 additions & 0 deletions live/root/usr/lib/dracut/modules.d/97agama-logging/module-setup.sh
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@@ -0,0 +1,20 @@
#!/bin/bash

# called by dracut
check() {
return 0
}

# called by dracut
depends() {
return 0
}

installkernel() {
return 0
}

# called by dracut
install() {
inst_hook cmdline 97 "$moddir/agama-logging.sh"
}
3 changes: 3 additions & 0 deletions live/src/config.sh
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Expand Up @@ -90,6 +90,9 @@ echo "root_disk=live:LABEL=$label" >>/etc/cmdline.d/10-liveroot.conf
echo 'install_items+=" /etc/cmdline.d/10-liveroot.conf "' >/etc/dracut.conf.d/10-liveroot-file.conf
echo 'add_dracutmodules+=" dracut-menu agama-cmdline "' >>/etc/dracut.conf.d/10-liveroot-file.conf

# decrease the kernel logging on the console, use a dracut module to do it early in the boot process
echo 'add_dracutmodules+=" agama-logging "' > /etc/dracut.conf.d/10-agama-logging.conf

# add xhci-pci-renesas to initrd if available (workaround for bsc#1237235)
# FIXME: remove when the module is included in the default driver list in
# in /usr/lib/dracut/modules.d/90kernel-modules/module-setup.sh, see
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