On 23.12.2014 09:30, Lars E. Pettersson wrote:
> On 12/22/14 23:56, poma wrote:
>> http://www.linuxfromscratch.org/~krejzi/kde5/postlfs/initramfs.html
>> "The only purpose of an initramfs is to mount the root filesystem."
>
> Yes, that was my thinking also, and that the nouveau module had been put
> there for a reason, but apparently not :)
>
>> But in modern Linux distributions in the init-ram-fs-image are the giraffe,
>> elephant and parrot, of course.
>
> So it seems :)
>
> Lars
>
Size and content of the init-ram-fs-image varies in relation to the expected
functionality, or to put it simply, depend on certain module ex/in-clusion, but
not limited to.
man 8 dracut
# ll -h /boot/initramfs-$(uname -r).img | awk '{print $5}'
25M
# lsinitrd /boot/initramfs-$(uname -r).img | grep .ko | wc -l
415
# ll -h /boot/initramfs-$(uname -r).img | awk '{print $5}'
4.7M
# lsinitrd /boot/initramfs-$(uname -r).img | grep .ko | wc -l
1
Exemplary example - BIOS SATA_AHCI/MD-RAID1/EXT4 & S3/S4 (SUSPEND/HIBERNATE)
/etc/dracut.conf.d/local.conf
# PUT YOUR CONFIG IN files named *.conf in /etc/dracut.conf.d/
# /etc/dracut.conf.d/*.conf will override the settings in /etc/dracut.conf
# SEE man dracut.conf(5)
# Turn off all dracut modules unnecessary for local boot & system power sleep
states
omit_dracutmodules+=" bash biosdevname btrfs busybox cms convertfs crypt
crypt-gpg crypt-loop dasd dasd_mod dasd_rules debug dm dmraid dmsquash-live drm
ecryptfs fstab-sys i18n img-lib lvm kernel-modules modsign multipath plymouth
pollcdrom qemu rescue selinux shutdown syslog systemd systemd-bootchart
terminfo url-lib usrmount virtfs watchdog zfcp zfcp_rules "
# Host-Only mode: Install only what is needed for booting the local host
# instead of a generic host and generate host-specific configuration.
# hostonly="{yes|no}"
hostonly="yes"
man 5 dracut.conf
Perhaps someone understand all this, but giraffe, elephant and parrot are
awesome and understood by all. :)
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