svn commit: r334089 - head/sbin/dumpon
Eitan Adler
eadler at freebsd.org
Wed Jun 6 07:35:17 UTC 2018
On 23 May 2018 at 09:30, John Baldwin <jhb at 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 at 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
.Pp
The core was decrypted properly if
.Xr kgdb 1
does not print any errors.
+Note that the live kernel might be at a different path
+which can be examined by looking at the kern.bootfile sysctl.
.Sh SEE ALSO
.Xr gzip 1 ,
.Xr kgdb 1 ,
--
Eitan Adler
Source, Ports, Doc committer
Bugmeister, Ports Security teams
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