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Jason Wessel wrote:
> This patch implements a new feature where you can selectively pass
> exceptions in advanced use cases.
> This patch also provides the debugger the ability to be less invasive
> with further controls on when to wait for a debugger to attach vs
> letting the system free run and process exceptions that are possibly fatal.
Two Questions:
1st: Your wrote:
-
----------------------------------------------------------------------------------
This patch implements new behavior to kgdb. Kgdb should have the
ability to wait for a debugger when an exception occurs or run the
system normally as if the debugger was not there at all if the
debugger is not attached. This feature is called Attach Wait. It can
be compiled into the kernel or controlled at run time through
/sys/modules/kgdb/paramaters/attachwait. By default the kernel should
not wait for a debugger unless the kernel was started with kgdbwait.
-
-----------------------------------------------------------------------------------
Having panic go to the kgdb stub by default if compiled in has been
the default for a kgdb subg for decades.
Why do you want to make it now NOT the default?
2nd:
Why does the Kconfig file for gdb set:
CONFIG_KGDB_8250_NOMODULE=y
yet only
CONFIG_KGDB_8250_MODULE
is used; for example in kgdb_8250.c
Without CONFIG_KGDB_8250_MODULE defined kgdb_8250.c wont parse for the
boot option:
kgdb8250=<port number>,<baud rate>
- -piet
>
> Jason.
> CONFIG_KGDB_8250_NOMODULE=y
>
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