From owner-freebsd-current@freebsd.org Mon May 30 03:12:04 2016 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1DE12B535DD for ; Mon, 30 May 2016 03:12:04 +0000 (UTC) (envelope-from gjb@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by mx1.freebsd.org (Postfix) with ESMTP id 0AFFC1EF7; Mon, 30 May 2016 03:12:04 +0000 (UTC) (envelope-from gjb@FreeBSD.org) Received: from FreeBSD.org (freefall.freebsd.org [IPv6:2001:1900:2254:206c::16:87]) by freefall.freebsd.org (Postfix) with ESMTP id BF80B1590; Mon, 30 May 2016 03:12:03 +0000 (UTC) (envelope-from gjb@FreeBSD.org) Date: Mon, 30 May 2016 03:12:00 +0000 From: Glen Barber To: Jason Hunt Cc: freebsd-current@freebsd.org Subject: Re: Intermittent EFI boot issue? Message-ID: <20160530031200.GM80759@FreeBSD.org> References: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="pFpMklMRdxwSC3Yi" Content-Disposition: inline In-Reply-To: X-Operating-System: FreeBSD 11.0-CURRENT amd64 X-SCUD-Definition: Sudden Completely Unexpected Dataloss X-SULE-Definition: Sudden Unexpected Learning Event X-PEKBAC-Definition: Problem Exists, Keyboard Between Admin/Computer User-Agent: Mutt/1.5.24 (2015-08-30) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 30 May 2016 03:12:04 -0000 --pFpMklMRdxwSC3Yi Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, May 29, 2016 at 11:05:01PM -0400, Jason Hunt wrote: > Intermittently after building world/kernel and installing kernel, upon > reboot I sometimes get stuck at: >=20 > >> FreeBSD EFI boot block > Loader path: /boot/loader.efi >=20 > Initializing modules: ZFS UFS > Probing 35 block devices ... done > ZFS found the following pools: zroot > UFS found no partitions > Consoles: EFI console >=20 > And that's it. >=20 > Often times it's fixed by rebooting, but sometimes it takes numerous > attempts. Patience and cold boot vs warm boot doesn't make a difference > and unfortunately there doesn't seem to be any pattern as to how it fixes > itself. Eventually the full boot screen appears and I can get in to sing= le > user mode to continue installing world. >=20 > I've only been following current for a couple of months, so I can't say if > this is a new problem, but it's happened most (but not every) times I've > rebuilt the system. Normal day-to-day rebooting doesn't give me any > issues; only when rebuilding. >=20 > Do I potentially have a buggy EFI firmware (motherboard is an ASUS P8B75-M > with latest firmware), or could it be a FreeBSD issue? I'm not even sure > how to try diagnosing this or what information would be helpful? >=20 > Any suggestions are appreciated. >=20 I've heard of an issue I've hit only a few times, without being able to=20 reproduce it reliably. When the machine passes POST, could you hold down the spacebar (or other non-character key)? Ideally, it will drop you to the loader prompt and/or ask you what you want to do. Typing 'boot' and hitting '[enter]', if the working theory is correct, should work. If not, we have more than one issue here. Thanks. Glen --pFpMklMRdxwSC3Yi Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2 iQIcBAEBCAAGBQJXS696AAoJEAMUWKVHj+KToYYP+wevIGamQo/87es9HsyRd8s3 qqjuGbYzR/ZINe760yTXbZM5fcSsht0ts3DCPObSpkL48PC0XXa2FCHgWhqCBB0N 62Hfdr21puVYCkXOf7ntsS+DR1vDOMpe3gsrB9vnw9GrAtBsICVt8PmOezkrS8i8 +1RMZt3+NP/LjO04q7k4ptPMivdCwTJI7AVzJdYBmtOcPOF+VOGlWMNBSet7wx3M TPbEfNVVS5UzkzuHy1QCuBraubYJCnysZQrE/7FAAX/s8KprqTrN8bQhLPJZv1BH YqP5wwLCPXU8hFZsYSp7s7jNzBkz6jGkhuhdGXldN+g3HhU3tQy74dU4x/34dUk6 D3Cg2e7Fhl3JLhAJDyV/GZmtrRuo14kBYb5ZZjc90HcpipH31m9l69BU6B8Gm0bu dZcl5J286TEf8jXLHfPi9XVk68O8wbHIXk7+nH8jiUBHb2ROzdWgHhgVPNzyLsbh 98gXfweyRkM1xv0w9h2+VKpx8LcBt6vXVAWKYZG7tWP3lAbjETV7jCH/QpQa/DRD CPaLTVr66JPlyx05slxM5hzJLI3RXYREnJrggTwmpfxzGDASFLD87zHrqKXZcGJQ c3N9O9sC2tIPRsw/D9eFyzNpg7N3cIdfsYunAJzmQ+p/RHIT5Xpo3B8vbs4q2eFC o70/WryPRcwa+kmNwinV =4Xdy -----END PGP SIGNATURE----- --pFpMklMRdxwSC3Yi--