From owner-freebsd-hackers@freebsd.org  Mon Jul 17 09:11:34 2017
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Date: Mon, 17 Jul 2017 12:11:25 +0300
From: Valentin Nechayev <netch@netch.kiev.ua>
To: Nicolas Embriz <nbari@tequila.io>
Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>
Subject: Re: GEOM: ada0: the secondary GPT header is not in the last LBA or
 random: unblocking device. when using more than 2 cores
Message-ID: <20170717091125.GA8450@netch.kiev.ua>
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hi,

 Sun, Jul 16, 2017 at 12:16:14, nbari wrote about "Re: GEOM: ada0: the secondary GPT header is not in the last LBA or random: unblocking device. when using more than 2 cores": 

> Setting up harvesting:
> [UMA],[FS_ATIME],SWI,INTERRUPT,NET_NG,NET_ETHER,NET_TUN,MOUSE,KEYBOARD,ATTACH,CACHED
> Feeding entropy: .
> spin lock 0xffffffff80db45c0 (smp rendezvous) held by 0xfffff80004378560

Are you using a custom kernel?
I had experienced panics just with random device on transition
10.2 -> 10.3 by source, and they were solved by temporary disabling of
rdrand_rng, despite following reenabling of this device settled normal
working. (Regrettably, I haven't got the panic details.)


-netch-