Troubleshooting the Boot Process

Boot Options for Debugging

bp

set a breakpoint in linuxrc script

check

check the md5 sum for linuxfs and iso files

db+

enable limited linuxrc debugging

db-

disable limited linuxrc debugging

debug

puts kernel in debug mode

delay

wait "delay" seconds before looking for the linuxfs file

mem

pretend system has less memory

nodeb

don’t install .deb files from the deb/ subdirectory

noetc

don’t load /etc files from the etc/ subdirectory

pk

control kernel messages during bootstrap

pki

control kernel messages at start of init

quiet

turn off many kernel messages

rootdelay

wait this many seconds before booting

verbose

the level of verbosity

wait

wait "wait" seconds before running init