dracut boot parameters
The following boot parameters are also available to further assist with debugging boot issues.
rd.shell
Drop to a shell, if the initramfs fails.
rd.debug
set -x for the dracut shell.
rd.break=[cmdline|pre-udev|pre-trigger|initqueue|pre-mount|mount|pre-pivot|cleanup]
drop the shell on defined breakpoint (use egrep 'rd.?break' /usr/lib/dracut/modules.d/99base/init.sh to find the breakpoints supported by your dracut version)
rdudevinfo
set udev to loglevel info
rdudevdebug
set udev to loglevel debug
rdnetdebug
debug network scripts in dracut. Output is written to /tmp
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