Date: Mon, 20 Aug 2018 19:35:09 +0100 From: RW <rwmaillists@googlemail.com> To: freebsd-hackers@freebsd.org Subject: Re: rand_harvestq high cpu usage when /dev/urandom is used Message-ID: <20180820193509.19545f40@gumby.homeunix.com> In-Reply-To: <20180820184337.6e07e951@gumby.homeunix.com> References: <CAO3OKx_3nKDEKP_eii0QoC7DG57Y_KLrHxwJrV7r7UMRL%2BX5_A@mail.gmail.com> <20180820184337.6e07e951@gumby.homeunix.com>
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On Mon, 20 Aug 2018 18:43:37 +0100 RW wrote: > > Also, I read on > > https://lists.freebsd.org/pipermail/freebsd-current/2013-November/046683.html > > someone saying that sysctls to turn off harvesting is documented in > > random(6) > > <https://www.freebsd.org/cgi/man.cgi?query=random&sektion=6&manpath=freebsd-release-ports>. > > I had a look at that document, but wasn't clear to me how to turn it > > off. I tried to play with the mask, > > but nothing. > > what happens if you set the mask to zero? I just tried that and it didn't make any difference, which is strange.
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