K.S. Bhaskar on 21 Sep 2008 06:41:37 -0700


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Re: [PLUG] Debugging looping reboots


Thanks.  It happens so fast that I am not able to do anything
meaningful, but I guess I will try, try and try again like the
proverbial spider...

Regards
-- Bhaskar

On Sat, Sep 20, 2008 at 4:58 PM, David A. Harding <dave@dtrt.org> wrote:
> On Sat, Sep 20, 2008 at 12:42:35PM -0400, K.S. Bhaskar wrote:
>> Since my reading and reflexes are not as fast as the computer, any
>> suggestions on how to troubleshoot this?
>
> You can try freezing the output by pressing the scroll-lock key
> or Ctrl-S.  Unfreeze the output, respectively, by pressing scroll-lock
> again or Ctrl-Q.
>
> Different things will happen depending on what facility is displaying
> the output. If you're viewing kernel output directly, and you block
> additional output by freezing the screen, you may get a non-recoverable
> kernel oops[1]. The chance of a kernel oops increases the longer you
> keep the screen frozen. If you get an oops, hard reboot the machine by
> holding down the power button for 5-15 seconds. If you're viewing
> multiplied syslog[2] output, freezing the screen won't prevent
> additional errors from occurring, and the machine may reboot before you
> see all the output.
>
>        [1] http://en.wikipedia.org/wiki/Linux_kernel_oops
>        [2] syslog(2) and syslog(3)
>
> -Dave
> --
> David A. Harding            Website:  http://dtrt.org/
> 1 (609) 997-0765              Email:  dave@dtrt.org
>                        Jabber/XMPP:  dharding@jabber.org
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