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

From: Arthur Marsh
Date: Mon Jul 06 2015 - 03:55:56 EST


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.
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