svn commit: r334089 - head/sbin/dumpon

John Baldwin jhb at freebsd.org
Wed May 23 16:49:33 UTC 2018


On Wednesday, May 23, 2018 10:45:32 AM Eitan Adler wrote:
> Author: eadler
> Date: Wed May 23 10:45:32 2018
> New Revision: 334089
> URL: https://svnweb.freebsd.org/changeset/base/334089
> 
> Log:
>   dumpon: point to better kernel debug symbols.
>   
>   The objdir is temporary, and the current example points to GENERIC.
>   Instead point to the installed location of the debug symbols that are
>   supposed to match the kernel you are using.
>   
>   PR:		223993
>   Submitted by:	Trond.Endrestol at ximalas.info

Actually, it's better to point to the kernel in this case (kgdb /boot/kernel/kernel).
Some versions of ports kgdb won't recognize kernel.debug as a kernel and treat it
as a userland binary instead.

> Modified:
>   head/sbin/dumpon/dumpon.8
> 
> Modified: head/sbin/dumpon/dumpon.8
> ==============================================================================
> --- head/sbin/dumpon/dumpon.8	Wed May 23 10:39:02 2018	(r334088)
> +++ head/sbin/dumpon/dumpon.8	Wed May 23 10:45:32 2018	(r334089)
> @@ -311,11 +311,11 @@ The
>  can be now examined using
>  .Xr kgdb 1 :
>  .Pp
> -.Dl # kgdb /usr/obj/sys/GENERIC/kernel.debug vmcore.#
> +.Dl # kgdb /usr/lib/debug/boot/kernel/kernel.debug vmcore.#
>  .Pp
>  or shorter:
>  .Pp
> -.Dl # kgdb -n # /usr/obj/sys/GENERIC/kernel.debug
> +.Dl # kgdb -n # /usr/lib/debug/boot/kernel/kernel.debug
>  .Pp
>  The core was decrypted properly if
>  .Xr kgdb 1
> 


-- 
John Baldwin


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