System running hot / CPU freq changes randomly

[Eric Anderson]

I've jsut upgraded from 5.3-STABLE to -CURRENT, and have a few things I've noticed.  One, my machine runs much hotter - it used to stay around 40 - 41C, but not stays around 49C.  Also, it actually seems like it's running slower - and maybe it is.  It looks like the cpu frequency is changing all the time, hopping around from one freq to another, for no real reason that I can tell. 

I'm running on a dell D600 (1.6GHZ Pentium M), with -CURRENT as of last night. 

I can provide any additional information needed..

Eric
 

Here's what I mean (on AC, not battery):
[ 12:48:25 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 1600
[ 12:48:27 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 400
[ 12:48:28 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 400
[ 12:48:30 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800
[ 12:48:31 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800
[ 12:48:32 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 200
[ 12:48:34 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 1600
[ 12:48:35 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 1600
[ 12:48:37 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800
[ 12:48:38 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 400
[ 12:48:39 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 400
[ 12:48:41 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800

On battery:
[ 12:49:13 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 1600
[ 12:49:17 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 1600
[ 12:49:18 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800
[ 12:49:20 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800
[ 12:49:21 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800
[ 12:49:22 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 400
[ 12:49:24 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800
[ 12:49:25 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 1600
[ 12:49:27 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 400
[ 12:49:28 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800
[ 12:49:29 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 800
[ 12:49:31 root at neutrino ~ ]# sysctl dev.cpu.0.freq
dev.cpu.0.freq: 1600

MORE INFO:

# sysctl dev.cpu      
dev.cpu.0.%desc: ACPI CPU (4 Cx states)
dev.cpu.0.%driver: cpu
dev.cpu.0.%location: handle=\_PR_.CPU0
dev.cpu.0.%pnpinfo: _HID=none _UID=0
dev.cpu.0.%parent: acpi0
dev.cpu.0.freq: 400
dev.cpu.0.freq_levels: 1600/-1 1400/-1 1225/-1 1200/-1 1050/-1 1000/-1 900/-1 875/-1 800/-1 750/-1 700/-1 656/-1 625/-1 600/-1 562/-1 525/-1 500/-1 450/-1 400/-1 375/-1 350/-1 300/-1 250/-1 225/-1 200/-1 175/-1 150/-1 125/-1 100/-1 75/-1 50/-1 25/-1

# sysctl hw.acpi
hw.acpi.supported_sleep_state: S1 S3 S4 S5
hw.acpi.power_button_state: S5
hw.acpi.sleep_button_state: S1
hw.acpi.lid_switch_state: NONE
hw.acpi.standby_state: S1
hw.acpi.suspend_state: S3
hw.acpi.sleep_delay: 1
hw.acpi.s4bios: 1
hw.acpi.verbose: 1
hw.acpi.reset_video: 1
hw.acpi.cpu.cx_supported: C1/1 C2/1 C3/85 C4/185
hw.acpi.cpu.cx_lowest: C1
hw.acpi.cpu.cx_usage: 100.00% 0.00% 0.00% 0.00%
hw.acpi.acline: 1
hw.acpi.battery.life: 99
hw.acpi.battery.time: 0
hw.acpi.battery.state: 1
hw.acpi.battery.units: 2
hw.acpi.battery.info_expire: 5
hw.acpi.video.tv0.active: 0
hw.acpi.video.crt0.active: 0
hw.acpi.video.out0.active: 0
hw.acpi.video.lcd0.active: 1
hw.acpi.video.out1.active: 0
hw.acpi.thermal.min_runtime: 0
hw.acpi.thermal.polling_rate: 10
hw.acpi.thermal.tz0.temperature: 48.5C
hw.acpi.thermal.tz0.active: -1
hw.acpi.thermal.tz0.thermal_flags: 0
hw.acpi.thermal.tz0._PSV: -1
hw.acpi.thermal.tz0._HOT: -1
hw.acpi.thermal.tz0._CRT: 102.0C
hw.acpi.thermal.tz0._ACx: -1 -1 -1 -1 -1 -1 -1 -1 -1 -1

# kldstat
Id Refs Address    Size     Name
 1   19 0xc0400000 599ab8   kernel
 2    1 0xc099a000 1c328    linux.ko
 3    1 0xc09b7000 5bdc     snd_ich.ko
 4    2 0xc09bd000 203d4    sound.ko
 5    1 0xc09de000 42c0     acpi_video.ko
 6   17 0xc09e3000 5ec70    acpi.ko
 7    1 0xc0a42000 1c0ac    radeon.ko
 8    1 0xc0a5f000 5f4c     cpufreq.ko
 9    2 0xc0a65000 127fc    netgraph.ko
10    1 0xc0a78000 96cc     ng_ubt.ko
11    1 0xc2474000 3000     wlan_wep.ko




-- 
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Eric Anderson        Sr. Systems Administrator        Centaur Technology
I have seen the future and it is just like the present, only longer.
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