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From: Arthur Marsh <arthur.marsh@internode.on.net>
To: Peter Zijlstra <peterz@infradead.org>
Cc: linux-kernel@vger.kernel.org,
	Rusty Russell <rusty@rustcorp.com.au>,
	Steven Rostedt <rostedt@goodmis.org>,
	Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
	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: Mon, 06 Jul 2015 17:23:01 +0930	[thread overview]
Message-ID: <559A33DD.3060504@internode.on.net> (raw)
In-Reply-To: <20150706071911.GT3644@twins.programming.kicks-ass.net>

Apologies if a duplicate, mailing list did not like the large .config.

Peter Zijlstra wrote on 06/07/15 16:49:
> On Mon, Jul 06, 2015 at 04:03:45AM +0930, Arthur Marsh wrote:
>> I am happy to supply further details and run further tests.
>
> A .config and gcc version might be a good start. I'll see if 32bit
> userspace in KVM can reproduce.
>

Thanks, details are:

gcc version 5.1.1 20150616 (Debian 5.1.1-11)

(compiled on x86-64 using:
CONCURRENCY_LEVEL=4 DEB_HOST_ARCH=i386 \
MAKEFLAGS="CC=gcc-5 LD=ld.gold KCFLAGS=-march=athlon64" make-kpkg \
--initrd --config menuconfig --arch i386 \
--cross-compile - linux-image

)

.config from a test build near the problem commit is at 
http://www.users.on.net/~arthur.marsh/config-4.1.0-rc5+


Arthur.

  parent reply	other threads:[~2015-07-06  7:55 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-07-05 18:33 Arthur Marsh
2015-07-06  7:19 ` Peter Zijlstra
2015-07-06  7:35   ` Arthur Marsh
2015-07-06  7:53   ` Arthur Marsh [this message]
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
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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