From owner-freebsd-current@freebsd.org  Sun Apr 24 18:59:06 2016
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To: FreeBSD Current <freebsd-current@freebsd.org>
From: Ruslan Makhmatkhanov <rm@FreeBSD.org>
Subject: Re: extremely slow to get to loader
Message-ID: <313c682a-4c96-0108-f711-bcd0d48a972b@FreeBSD.org>
Date: Sun, 24 Apr 2016 21:58:01 +0300
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Hi,

I'm expecting the same behaviour after updating to r298524. It hangs for 
5-10 minutes at "BTX loader" screen and after that loads successfully. 
While hanging, according to HDD LED on my laptop, it actively doing disk 
I/O operations, and all of this looks pretty scary. I'm using standard 
not-encrypted ZFS-on-root installation, if that matter.

-- 
Regards,
Ruslan

T.O.S. Of Reality