Re: amd64-7.0_STABLE trap panic

[Paul Goyette <paul%vps1.whooppee.com@localhost>]

On Sat, 7 Nov 2015, John D. Baker wrote:

> On Sun, 8 Nov 2015, Paul Goyette wrote:
>
> > It might be useful if you could use gdb on the crash dump.  Use the
>
> Perhaps I'm still quite the neophyte with 'gdb'.  Is examining a system
> core dump much different from examining a process core dump?
>
> Running:
>
>  $ gdb netbsd.3 netbsd.3.core
>
> results in:
>
> [...]
> Reading symbols from netbsd.3...(no debugging symbols found)...done.
> "/r0/mm/netbsd.3.core" is not a core dump: File format not recognized
> (gdb)


Try:

	$ gdb netbsd.3 # (or, if you have one somewhere, the netbsd.gdb
	               # would be better because it has debug symbols)
	(gdb) target kvm netbsd.3.core
	(gdb)


+------------------+--------------------------+-------------------------+
| Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
| (Retired)        | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com    |
| Kernel Developer | 0786 F758 55DE 53BA 7731 | pgoyette at netbsd.org  |
+------------------+--------------------------+-------------------------+