Early printk
modulename: early_printk.ko
and/orip27-console.ko
and/orearlycons.ko
and/orearly_console.ko
and/orshadow_console.ko
configname: CONFIG_EARLY_PRINTK
Linux Kernel Configuration
└─>Kernel hacking
└─>Early printk
In linux kernel since version 2.6.12
Write kernel log output directly into the VGA buffer or to a serial
port.
This is useful for kernel debugging when your machine crashes very
early before the console code is initialized. For normal operation
it is not recommended because it looks ugly and doesn't cooperate
with klogd/syslogd or the X server. You should normally say N here,
unless you want to debug such a crash.
port.
This is useful for kernel debugging when your machine crashes very
early before the console code is initialized. For normal operation
it is not recommended because it looks ugly and doesn't cooperate
with klogd/syslogd or the X server. You should normally say N here,
unless you want to debug such a crash.