Date: Sat, 22 Aug 2009 00:36:00 -0400 (EDT) From: "Mikhail T." <mi@aldan.algebra.com> To: FreeBSD-gnats-submit@FreeBSD.org Subject: bin/138060: powerd hangs the system solid Message-ID: <200908220436.n7M4a0Vt002015@aldan.algebra.com> Resent-Message-ID: <200908220500.n7M50DbJ061420@freefall.freebsd.org>
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>Number: 138060 >Category: bin >Synopsis: powerd hangs the system solid >Confidential: no >Severity: serious >Priority: medium >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sat Aug 22 05:00:13 UTC 2009 >Closed-Date: >Last-Modified: >Originator: Mikhail T. >Release: FreeBSD 7.2-STABLE amd64 >Organization: Virtual Estates, Inc. http://sybpipe.com/ >Environment: System: FreeBSD aldan.algebra.com 7.2-STABLE FreeBSD 7.2-STABLE #0: Thu Jul 9 18:42:04 EDT 2009 mi@aldan.algebra.com:/meow/obj/var/src/sys/SILVER-SMP amd64 Two dual-core Opterons-275 dev.cpu.0.freq_levels: 2205/-1 1929/-1 1653/-1 1378/-1 1102/-1 826/-1 551/-1 275/-1 >Description: powerd starts up fine and proceeds to lower the CPU-frequency from the full 2205MHz to 275MHz. Shortly after that the system locks up solid. Maybe, this is due to another attempt at halving (below the minimum speed listed in freq_levels). >How-To-Repeat: powerd >Fix: The proper fix would require figuring out, what exactly is wrong. A work-around would simply add the minimum allowed speed to the command-line options for powerd, so that the administrator could set that up. This would be handy even on a non-hanging system, where the admin may want to disallow it to go below certain speed for performance reasons. >Release-Note: >Audit-Trail: >Unformatted:
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