Date: Fri, 1 Jul 2011 16:02:28 GMT From: Derek Schaeffer <terrawattshock@gmail.com> To: freebsd-gnats-submit@FreeBSD.org Subject: kern/158569: ROOT MOUNT ERROR (caused by AHCI module) Message-ID: <201107011602.p61G2Scm074797@red.freebsd.org> Resent-Message-ID: <201107011610.p61GA1rH026101@freefall.freebsd.org>
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>Number: 158569 >Category: kern >Synopsis: ROOT MOUNT ERROR (caused by AHCI module) >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Fri Jul 01 16:10:00 UTC 2011 >Closed-Date: >Last-Modified: >Originator: Derek Schaeffer >Release: 8.2-RC1 >Organization: University of Louisville >Environment: [X@pcbsd-8686 /usr/home/X]$ uname -a FreeBSD pcbsd-8686 8.2-RC1 FreeBSD 8.2-RC1 #4: Mon Dec 27 12:25:57 PST 2010 root@build8x64.pcbsd.org:/usr/obj/usr/pcbsd-build82/fbsd-source/8.2/sys/PCBSD amd64 >Description: FreeBSD gives "ROOT MOUNT ERROR" when the kernel is loading modules at startup. This is regardless if the installation has been dual-booted or not. The problem appears to be the AHCI module. Hardware: Intel i7 980x processor MSI Big Bang-XPower motherboard XFX HD-485X-ZNFC Radeon HD 4850 video card DDR3 2000 ram (16GB) >How-To-Repeat: FreeBSD does not have AHCI enabled by default, however, PCBSD does. In the loader.conf file, ahci_load="YES" will cause the problem to occur. >Fix: In the loader.conf file, ahci_load="NO" allows normal startup. This problem was addressed in the (long) thread: http://forums.freebsd.org/showthread.php?t=20724 And in the PC-BSD forum: http://forums.pcbsd.org/showthread.php?p=85036#post85036 >Release-Note: >Audit-Trail: >Unformatted:
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