amd64/140391: Powerd freezes computer on Phenom II computer

[Taner Taş]

>Number:         140391
>Category:       amd64
>Synopsis:       Powerd freezes computer on Phenom II computer
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    freebsd-amd64
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Sun Nov 08 16:50:00 UTC 2009
>Closed-Date:
>Last-Modified:
>Originator:     Taner Taş
>Release:        8.0-RC2
>Organization:
>Environment:
FreeBSD pulsar 8.0-RC2 FreeBSD 8.0-RC2 #0: Sat Nov  7 23:42:53 EET 2009     root at pulsar:/usr/obj/usr/src/sys/PULSAR  amd64
>Description:
When I try to run powerd on amd64 machine, machine hangs after 10 seconds. Hard resetting can't enough to reboot computer, I have to switch off the electric cable for proper reboot.

Computer Specs:
AMD Phenom II 940 cpu
AMD 790GX chipset

# sysctl -a |grep cpu

kern.ccpu: 0
  <cpu count="4" mask="0xf">0, 1, 2, 3</cpu>
    <cpu count="4" mask="0xf">0, 1, 2, 3</cpu>
kern.smp.cpus: 4
kern.smp.maxcpus: 32
debug.cpufreq.verbose: 0
debug.cpufreq.lowest: 0
debug.kdb.stop_cpus: 1
hw.ncpu: 4
hw.acpi.cpu.cx_lowest: C1
machdep.hlt_cpus: 0
security.jail.param.cpuset.id: 0
dev.cpu.0.%desc: ACPI CPU
dev.cpu.0.%driver: cpu
dev.cpu.0.%location: handle=\_PR_.P001
dev.cpu.0.%pnpinfo: _HID=none _UID=0
dev.cpu.0.%parent: acpi0
dev.cpu.0.freq: 3000
dev.cpu.0.freq_levels: 3000/35100 2625/30712 2300/24375 2012/21328 1800/20930 1575/18313 1350/15697 1125/13081 900/10465 800/11400 700/9975 600/8550 500/7125 400/5700 300/4275 200/2850 100/1425
dev.cpu.0.cx_supported: C1/0
dev.cpu.0.cx_lowest: C1
dev.cpu.0.cx_usage: 100.00% last 500us
dev.cpu.1.%desc: ACPI CPU
dev.cpu.1.%driver: cpu
dev.cpu.1.%location: handle=\_PR_.P002
dev.cpu.1.%pnpinfo: _HID=none _UID=0
dev.cpu.1.%parent: acpi0
dev.cpu.1.cx_supported: C1/0
dev.cpu.1.cx_lowest: C1
dev.cpu.1.cx_usage: 100.00% last 500us
dev.cpu.2.%desc: ACPI CPU
dev.cpu.2.%driver: cpu
dev.cpu.2.%location: handle=\_PR_.P003
dev.cpu.2.%pnpinfo: _HID=none _UID=0
dev.cpu.2.%parent: acpi0
dev.cpu.2.cx_supported: C1/0
dev.cpu.2.cx_lowest: C1
dev.cpu.2.cx_usage: 100.00% last 500us
dev.cpu.3.%desc: ACPI CPU
dev.cpu.3.%driver: cpu
dev.cpu.3.%location: handle=\_PR_.P004
dev.cpu.3.%pnpinfo: _HID=none _UID=0
dev.cpu.3.%parent: acpi0
dev.cpu.3.cx_supported: C1/0
dev.cpu.3.cx_lowest: C1
dev.cpu.3.cx_usage: 100.00% last 500us
dev.acpi_perf.0.%parent: cpu0
dev.acpi_perf.1.%parent: cpu1
dev.acpi_perf.2.%parent: cpu2
dev.acpi_perf.3.%parent: cpu3
dev.acpi_throttle.0.%parent: cpu0
dev.cpufreq.0.%driver: cpufreq
dev.cpufreq.0.%parent: cpu0
dev.hwpstate.0.%parent: cpu
>How-To-Repeat:
/etc/rc.d/powerd onestart
>Fix:


>Release-Note:
>Audit-Trail:
>Unformatted: