Re: current kernel + userland just resets

[Jean-Yves Migeon <jeanyves.migeon%free.fr@localhost>]

On Fri, 23 Sep 2011 12:19:14 +0200, Ignatios Souvatzis wrote:
> On Thu, Sep 22, 2011 at 04:57:19PM +0100, Jean-Yves Migeon wrote:
> > On Thu, 22 Sep 2011 12:45:23 +0200, Riccardo Mottola wrote:
> > >Hi,
> > >
> > >while working remotely on my machine running current kernel +
> > >userland, it stopped being reachable and I found it just reset and
> > >rebooted.
> > >
> > >How can I get more information about the problem and report it?
> >
> > Set ddb.onpanic?=1 in sysctl.conf. The kernel will fall into its
> > debugger (ddb(4)) upon crash, print a backtrace with some useful
> > info and then wait.
>
> uh,,,, when it's remote, it's better to save kernel and corefile from
> safecore, and analyze that (ddb.onpanic=0)

Huh, typed too fast... sorry.

If savecore(8) manages to get a core file out of swap, use crash(8). 
The description section of savecore(8) gives useful pointers, especially 
the -M/-N parameters (see dmesg(8)).

--
Jean-Yves Migeon
jeanyves.migeon%free.fr@localhost