Re: lock-up with module: Optimize __module_address() using a latched RB-tree

[Peter Zijlstra]

On Wed, Jul 08, 2015 at 05:45:45AM +0930, Arthur Marsh wrote:
> I'm not aware of any modules being loaded with --force .
> 
> I've applied the patch, thanks!
> 
> The resultant kernel locked up as follows:
> 
> http://www.users.on.net/~arthur.marsh/20150708469.jpg

This has "Not tainted" which would indeed rule out forced loading. So
much for that idea :/

> http://www.users.on.net/~arthur.marsh/20150708470.jpg

And that one has a bunch of NMI prints, curious those. But given Mathieu
made them return NULL, that completely rules out the most interesting
races.



You could have a look at Documentation/networking/netconsole.txt and see
if you can get that working between your machines; if you can get that
to work you can maybe stop looking for that null-modem bit.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/