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Date: Wed, 08 Jul 2015 01:28:22 +0930
From: Arthur Marsh <arthur.marsh@...ernode.on.net>
To: Peter Zijlstra <peterz@...radead.org>
CC: linux-kernel@...r.kernel.org,
Rusty Russell <rusty@...tcorp.com.au>,
Steven Rostedt <rostedt@...dmis.org>,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Oleg Nesterov <oleg@...hat.com>,
"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Subject: Re: lock-up with module: Optimize __module_address() using a latched
RB-tree
Peter Zijlstra wrote on 07/07/15 16:59:
> Do you have a serial cable between those machines? serial console output
> will allow capturing more complete traces than these pictures can and
> might also aid in capturing some extra debug info.
>
> In any case, I'll go try and build some debug code.
>
I do have eia-232 serial ports on both machines and a serial cable but
would need to hunt down a null modem adapter or cable and a how-to on
booting with a serial console - I'll ask around in the next 24 hours.
Arthur.
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