Early printk
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m (Created page with '==Enabling EARLY_PRINTK== To enable the 'early' kernel messages do the following: # Enable 'Kernel hacking' -> 'Kernel low-level debugging functions' # Enable 'Kernel hacking' ->…') |
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# Enable 'Kernel hacking' -> 'Kernel low-level debugging functions' | # Enable 'Kernel hacking' -> 'Kernel low-level debugging functions' | ||
# Enable 'Kernel hacking' -> 'Kernel low-level debugging functions' -> 'Early printk' | # Enable 'Kernel hacking' -> 'Kernel low-level debugging functions' -> 'Early printk' | ||
| + | # Add 'earlyprintk=ttyS0' or similar to your boot arguments | ||
You will probably also have to select a serial port for the messages to appear (within the 'System Type' menu) | You will probably also have to select a serial port for the messages to appear (within the 'System Type' menu) | ||
Latest revision as of 21:50, 17 January 2012
[edit] Enabling EARLY_PRINTK
To enable the 'early' kernel messages do the following:
- Enable 'Kernel hacking' -> 'Kernel low-level debugging functions'
- Enable 'Kernel hacking' -> 'Kernel low-level debugging functions' -> 'Early printk'
- Add 'earlyprintk=ttyS0' or similar to your boot arguments
You will probably also have to select a serial port for the messages to appear (within the 'System Type' menu)
