Date: Sat, 26 Feb 2005 19:05:37 -0800 From: Nate Lawson <nate@root.org> To: Ron Johnson <rjohns44@comcast.net> Cc: freebsd-acpi@freebsd.org Subject: Re: kern/77805: Boot hangs with ACPI enabled Message-ID: <42213901.8050809@root.org> In-Reply-To: <1109461095.57306.10.camel@localhost> References: <1109461095.57306.10.camel@localhost>
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Ron Johnson wrote: > Any help would be appreciated! dmesg output and ASL are in the bug > report. > > http://www.freebsd.org/cgi/query-pr.cgi?pr=77805 > > With ACPI enabled, boot fails at "hw.acpi.cpu.cx_lowest: C1 -> C3". This > statement is not in sysctl.conf or loader.conf and appears to be changed > automatically. No issue in all previous 5.X versions. 5.3-STABLE > downloaded from CVS on 2/19/2005 around 3pm EST. You want to change the performance/economy settings in rc.conf. Man 5 rc.conf The defaults were changed between 5.2.1 and 5.3: src/etc/defaults/rc.conf:revision 1.206 date: 2004/05/29 04:52:37; author: njl; state: Exp; lines: +1 -1 Throw the switch and enable use of the lowest idle states while online in addition to offline. This can be overridden in /etc/rc.conf if it causes trouble although this has been stable since 2003/12. I have no idea why C3 is unstable on your machine. Please try overriding this with something like this and see if it helps: performance_cx_state=HIGH economy_cx_state=HIGH -- Nate
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