Date: Thu, 17 May 2012 23:38:23 +0300 From: Andriy Gapon <avg@FreeBSD.org> To: Bruce Cran <bruce@cran.org.uk> Cc: freebsd-current <freebsd-current@FreeBSD.org> Subject: Re: "random device not loaded; using insecure entropy" during boot Message-ID: <4FB561BF.2090404@FreeBSD.org> In-Reply-To: <4FB14C48.1030002@cran.org.uk> References: <4FB14C48.1030002@cran.org.uk>
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on 14/05/2012 21:17 Bruce Cran said the following: > While booting -current I noticed a new warning introduced in r230230** > <http://svnweb.freebsd.org/base?view=revision&revision=230230>; (though it's not > in 'dmesg' once booted): > > FreeBSD/SMP: 1 package(s) x 2 core(s) x 2 SMT threads > cpu0 (BSP): APIC ID: 0 > cpu1 (AP): APIC ID: 1 > cpu2 (AP): APIC ID: 4 > cpu3 (AP): APIC ID: 5 > random device not loaded; using insecure entropy > > I guess something's wanting random data before its been initialized? Once > booted kern.random shows that it is loaded and working. It seems that the message is triggered by __stack_chk_init. I am not sure if we really need a "secure" random value there. -- Andriy Gapon
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