[ath9k-devel] AR5008 hanging computer

[Pavel Roskin <proski@gnu.org>]

On Wed, 2010-02-17 at 09:56 -0800, hong zhang wrote:
> > >
> > I'm also sorry about that, on the other hand, there are
> > many schools
> > of thought on answering posts, but I don't want this to be
> > a
> > discussion of that.
> > I would just like to get some ideas of what I can debug to
> > get some
> > answers.  Out of curiosity, is there a way to do a
> > continuous
> > recording of dmesg to a serial console?  These hangs
> > occur regularly,
> 
> Use netconsole but you need two machines.

I would never recommend using netconsole to debug a hang in a network
driver.  Chances are too high that the hang will block the network stack
and prevent the most interesting data from leaving the system.

Besides, it's one thing to debug something that is easy to reproduce and
that is known to show up on the netconsole.  It's another thing to debug
something that may not appear on any console after hours of waiting.

-- 
Regards,
Pavel Roskin