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The new kernel will need a couple of kernel command line parameters to tell KGDB how to connect over serial. Edit /etc/default/grub and setset GRUB_CMDLINE_LINUX="kgdboc=ttyS0,115200 kgdbcon". Note if there were already values set, the KGDB ones can be appended. Then update grub and reboot:
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First the kernel will need a command line parameter to configure the serial port. EditEdit /etc/default/grub and set GRUB_CMDLINE_LINUX="console=ttyS0,115200n8". Note if there were already values set, the serial one can be appended. Then update grub and reboot:
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