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SubjectRe: lock-up with module: Optimize __module_address() using a latched RB-tree
On Mon, Jul 06, 2015 at 09:19:11AM +0200, Peter Zijlstra wrote:
> 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.

So I build i386_defconfig and i386_defconfig + CONFIG_SMP=n, installed
them in an old gentoo-stage3 userland diskimage and booted it with KVM
with only a single CPU, both booted just fine. Then I loaded a module
(iptable_nat) and that too worked on both.

So I'm a bit at a loss and will need more details.

Sadly I do not have access to AMD hardware of that vintage.


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