Hello,


cross compiled raspberry pi kernel using an Ubuntu virtual machine.

Using this configurations:



CONFIG_DEBUG_INFO=y

CONFIG_MAGIC_SYSRQ=y
CONFIG_FRAME_POINTER=y
CONFIG_KGDB=y
CONFIG_KGDB_SERIAL_CONSOLE=y

CONFIG_KGDB_KDB=y
CONFIG_KDB_KEYBOARD=y

The pc is connected to RPI by UART.

Want to debug the raspberry pi kernel with kdb&kgdb.



using the minicom (in vm host) to send the break signal (alt+a ,f(send
break) ,g(Go)) kdb&kgdb is working as expected

when trying to use echo g > /proc/sysrq-trigger get the message :

Entering kdb (current=0xc054ca80, pid 0) due to Keyboard Entry

kdb>_

kdb stuck and doesn’t response to keyboard, so i cant enter kgdb :/

Do you have any suggestion why?



Thank you.
Naama.
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