AIX boot process

AIX debug boot

Based on the IBM Technote: Capturing Boot Debug

Changing to debug mode in the boot image

bosboot -I -ad /dev/hdiskX

From the Open Firmware prompt:

AIX 5.2

boot -s trap

AIX 5.3 ~ 7.1

boot -s verbose

Using the KDB prompt:

Debug boot:

0> mw enter_debug

0> g

Resuming normal boot:

0> quit

AIX alog debug boot log

/tmp/boot.debuglog