From: Peter Zijlstra <peterz@infradead.org>
To: Arthur Marsh <arthur.marsh@internode.on.net>
Cc: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
linux-kernel@vger.kernel.org,
Rusty Russell <rusty@rustcorp.com.au>,
rostedt <rostedt@goodmis.org>, Oleg Nesterov <oleg@redhat.com>,
"Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
Subject: Re: lock-up with module: Optimize __module_address() using a latched RB-tree
Date: Tue, 7 Jul 2015 23:56:20 +0200 [thread overview]
Message-ID: <20150707215620.GM19282@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <559C3371.2030704@internode.on.net>
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.
next prev parent reply other threads:[~2015-07-07 21:56 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-05 18:33 lock-up with module: Optimize __module_address() using a latched RB-tree Arthur Marsh
2015-07-06 7:19 ` Peter Zijlstra
2015-07-06 7:35 ` Arthur Marsh
2015-07-06 7:53 ` Arthur Marsh
2015-07-06 7:57 ` Peter Zijlstra
2015-07-06 8:12 ` Peter Zijlstra
2015-07-06 8:47 ` Arthur Marsh
2015-07-06 9:01 ` Peter Zijlstra
2015-07-06 10:04 ` Peter Zijlstra
2015-07-06 10:11 ` Arthur Marsh
2015-07-06 10:32 ` Peter Zijlstra
2015-07-06 11:26 ` Arthur Marsh
2015-07-07 5:29 ` Arthur Marsh
2015-07-07 7:29 ` Peter Zijlstra
2015-07-07 15:58 ` Arthur Marsh
2015-07-07 16:33 ` Mathieu Desnoyers
2015-07-07 20:15 ` Arthur Marsh
2015-07-07 21:56 ` Peter Zijlstra [this message]
2015-07-07 22:11 ` Peter Zijlstra
2015-07-08 0:55 ` Rusty Russell
2015-07-08 8:31 ` Arthur Marsh
2015-07-08 9:04 ` Peter Zijlstra
2015-07-08 11:43 ` Arthur Marsh
2015-07-08 12:32 ` Peter Zijlstra
2015-07-08 12:41 ` [PATCH] module: Fix load_module() error path Peter Zijlstra
2015-07-08 21:33 ` Rusty Russell
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