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Subject: Re: svn commit: r334089 - head/sbin/dumpon
To: Eitan Adler <eadler@freebsd.org>
References: <201805231045.w4NAjWsv059104@repo.freebsd.org>
 <2256597.yrYJmMiYOr@ralph.baldwin.cx>
 <CAF6rxgnFTUiTEGYO6D_RwYY39kKrtBB-mqj+L55-Xho-oGf-HA@mail.gmail.com>
Cc: src-committers <src-committers@freebsd.org>, svn-src-all@freebsd.org,
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From: John Baldwin <jhb@FreeBSD.org>
Message-ID: <328b6f24-ffeb-4d16-c3da-d6673b495bcf@FreeBSD.org>
Date: Wed, 6 Jun 2018 09:25:21 -0400
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On 6/6/18 3:34 AM, Eitan Adler wrote:
> On 23 May 2018 at 09:30, John Baldwin <jhb@freebsd.org> wrote:
>> 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@ximalas.info
> ...
> 
> What do y'all think of something like:
> 
> diff --git i/sbin/dumpon/dumpon.8 w/sbin/dumpon/dumpon.8
> index fd271b5..28162af 100644
> --- i/sbin/dumpon/dumpon.8
> +++ w/sbin/dumpon/dumpon.8
> @@ -311,15 +311,17 @@ The
>  can be now examined using
>  .Xr kgdb 1 :
>  .Pp
> -.Dl # kgdb /usr/lib/debug/boot/kernel/kernel.debug vmcore.#
> +.Dl # kgdb /boot/kernel/kernel vmcore.#
>  .Pp
>  or shorter:
>  .Pp
> -.Dl # kgdb -n # /usr/lib/debug/boot/kernel/kernel.debug
> +.Dl # kgdb -n # /boot/kernel/kernel

This can just be 'kgdb -n #'  kgdb uses the sysctl as the default
kernel location.

-- 
John Baldwin