Re: [PATCH 4.9 75/95] random: set up the NUMA crng instances after the CRNG is fully initialized

From: Ingo Molnar
Date: Fri Apr 27 2018 - 05:44:43 EST



* Theodore Y. Ts'o <tytso@xxxxxxx> wrote:

> On Thu, Apr 26, 2018 at 03:53:58PM +0900, Tetsuo Handa wrote:
> > Oh, pull request was already sent. Should be merged shortly.
> >
> > https://marc.info/?l=linux-kernel&m=152472466201090&w=2
>
> More testing, either before or after merging, would be greatly
> appreciated. One of the challenges is that there are a lot of systems
> out there with different amounts of boot entropy available. So this
> pull request was needed to help deal with issues on crazy big machines
> (CONFIG_NUMA) and crazy small laptops (old/small chromebooks
> repurposed to support Ubuntu and small ARM systems) --- neither of
> which I had access to when I was putting together the fixes to the
> random driver.
>
> So any feedback before 4.17 gets released would be really helpful!
>
> Thanks!!

I tested this upstream commit:

665fa0000aed: Merge tag 'random_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/random

... and the bug is fixed here too, my test machine is back to 'perfect'.

Thanks!

Ingo