Re: Overheating attributed to Freebsd --sysctl variables notavailable--

From: Paul Mather (paul_at_gromit.dlib.vt.edu)
Date: 11/04/03 

Date: Tue, 4 Nov 2003 09:45:51 -0500
To: freebsd-questions@freebsd.org

On Mon, 3 Nov 2003 21:07:45 -0700 (MST), Technical Director <trodat@ultratrends.com> wrote:

=> Forgive me for saying:
=>
=> If this system is borked with FreeBSD due to the cpu's not cycling
=> 'down', then use a different operating system. FreeBSD is not responsible
=> for your trouble if you can solve the problem by moving on. Doing so and
=> solving the problem is more important than holding the OS and the
=> contributors to it accountable to something so seemingly far fetched.
=>
=> One way to test overall integrity of your hardware is to boot to bios and
=> leave it. Does it bake out on you? Then there is definitely something
=> wrong with your hardware, perhaps a fan is spinning less rpms than when
=> new.
=>
=> In my humble opinion this is probably not associated with the OS, but,
=> that doesn't solve 'your' problem. So besides seeing it for myself I can't
=> see an absolute need to use FreeBSD, in your words the problem, and not
=> use some other [$]NIX.
=>
=> One last thing, if your CPU's are baking out and crashing, are you not
=> nervous that under load this will happen no matter what the OS? Tweaking
=> system variables will not help you if your server is working ultra-hard,
=> at some point you will reach a mark that your system should still be able
=> to do which currently it can't.
=>
=> I doubt hardware manufactuers put out equipment that can't run at 100% at
=> least.

FWIW, I doubt the accuracy of that last paragraph, and don't think
this is "so seemingly far fetched" at all. :-)

I have a related problem. In my case, it's a borrowed laptop on which
I installed FreeBSD 5.1-CURRENT (quite a while ago, but last
{build,install}{kernel,world} was circa July 2003). Also installed on
the system is Windows 2000 Professional. The related problem I have
is that I can fairly easily get the laptop to power off due to
thermally-initiated shutdown using FreeBSD (complete with "current
temperature has exceeded system limits" type messages on the console
beforehand), but can't seem to do so via Win2K. :-(

Now I know that in a sense this is apples and oranges, because I don't
do precisely the same things under both operating systems. But, it
seems that high-CPU/system activity under FreeBSD will ultimately lead
to a thermal shutdown, but not on Win2K (no so far as I've been able
to manage, anyway). This is inconvenient, to say the least. For
example, a FreeBSD buildworld or buildkernel will not complete; it'll
get part way through before the machine becomes too hot and shuts
itself down. Similarly, building "big" ports like Mozilla won't
complete, which makes portupgrade a bit of fun. Needless to say, this
system doesn't get updated much. :-)

Now I'm not saying the machine doesn't become physically hot when
running Win2K, too. It does (e.g., when playing CPU-intensive games,
etc.). But somehow, Win2K is able to manage things so that the system
does not become so hot that the shutdown kicks in.

So, I'm wondering if there's some sysctl or other knob that can be set
in FreeBSD that will ameliorate this problem. (I thought
laptop/mobile CPUs generally were able to step down to lower clock
speeds to conserve power/run cooler, for example.) If I could do
system rebuilds and port builds without having to restart that'd be a
big improvement! :-)

Unlike the original poster, this is an Intel-based system, not Athlon.
It's a Gateway Solo 450 laptop. If I didn't know better, I'd think
that Gateway "engineered" (pah!) this system so it would run Windows
"okay" and that's it as far as they're concerned. >;-) FWIW, attached
at the end of this message is a copy of /var/run/dmesg.boot in case
anyone can suggest something to help.

Cheers,

Paul.

PS: I'm glad I'm only borrowing this laptop and didn't buy it!! The
owner of the laptop only uses Windows, so this is only a problem for
me running FreeBSD.

e-mail: paul@gromit.dlib.vt.edu

"Without music to decorate it, time is just a bunch of boring production
 deadlines or dates by which bills must be paid."
        --- Frank Vincent Zappa

>>>>> /var/run/dmesg.boot >>>>>
Copyright (c) 1992-2003 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
        The Regents of the University of California. All rights reserved.
FreeBSD 5.1-CURRENT #1: Sat Jul 19 19:25:09 EDT 2003
    root@:/usr/obj/usr/src/sys/LAPTOP
Preloaded elf kernel "/boot/kernel/kernel" at 0xc056f000.
Preloaded elf module "/boot/kernel/if_fxp.ko" at 0xc056f26c.
Preloaded elf module "/boot/kernel/miibus.ko" at 0xc056f318.
Preloaded elf module "/boot/kernel/snd_maestro3.ko" at 0xc056f3c4.
Preloaded elf module "/boot/kernel/snd_pcm.ko" at 0xc056f478.
Preloaded elf module "/boot/kernel/radeon.ko" at 0xc056f524.
Preloaded elf module "/boot/kernel/firewire.ko" at 0xc056f5d0.
Preloaded elf module "/boot/kernel/cbb.ko" at 0xc056f680.
Preloaded elf module "/boot/kernel/exca.ko" at 0xc056f728.
Preloaded elf module "/boot/kernel/cardbus.ko" at 0xc056f7d4.
Preloaded elf module "/boot/kernel/acpi.ko" at 0xc056f880.
Timecounter "i8254" frequency 1193182 Hz
Timecounter "TSC" frequency 1994125864 Hz
CPU: Mobile Intel(R) Pentium(R) 4 - M CPU 2.00GHz (1994.13-MHz 686-class CPU)
  Origin = "GenuineIntel" Id = 0xf27 Stepping = 7
  Features=0xbfebf9ff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
real memory = 536346624 (511 MB)
avail memory = 514928640 (491 MB)
Pentium Pro MTRR support enabled
npx0: <math processor> on motherboard
npx0: INT 16 interface
acpi0: <GATEWA 450 > on motherboard
pcibios: BIOS version 2.10
Using $PIR table, 11 entries at 0xc00fdf10
acpi0: power button is handled as a fixed feature programming model.
Timecounter "ACPI-fast" frequency 3579545 Hz
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
acpi_cpu0: <CPU> on acpi0
acpi_tz0: <thermal zone> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib0: slot 29 INTA is routed to irq 10
pcib0: slot 29 INTB is routed to irq 5
pcib0: slot 31 INTB is routed to irq 10
pcib0: slot 31 INTB is routed to irq 10
agp0: <Intel 82845 host to AGP bridge> mem 0xec000000-0xefffffff at device 0.0 on pci0
pcib1: <ACPI PCI-PCI bridge> at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pcib1: slot 0 INTA is routed to irq 10
drm0: <ATI Radeon LY Mobility M6> port 0x3000-0x30ff mem 0xe8100000-0xe810ffff,0xf0000000-0xf7ffffff irq 10 at device 0.0 on pci1
info: [drm] AGP at 0xec000000 64MB
info: [drm] Initialized radeon 1.8.0 20020828 on minor 0
uhci0: <Intel 82801CA/CAM (ICH3) USB controller USB-A> port 0x1800-0x181f irq 10 at device 29.0 on pci0
usb0: <Intel 82801CA/CAM (ICH3) USB controller USB-A> on uhci0
usb0: USB revision 1.0
uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 2 ports with 2 removable, self powered
uhci1: <Intel 82801CA/CAM (ICH3) USB controller USB-B> port 0x1820-0x183f irq 5 at device 29.1 on pci0
usb1: <Intel 82801CA/CAM (ICH3) USB controller USB-B> on uhci1
usb1: USB revision 1.0
uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub1: 2 ports with 2 removable, self powered
pcib2: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci2: <ACPI PCI bus> on pcib2
pcib2: slot 2 INTA is routed to irq 10
pcib2: slot 2 INTA is routed to irq 10
pcib2: slot 3 INTA is routed to irq 5
pcib2: slot 5 INTA is routed to irq 10
pcib2: slot 8 INTA is routed to irq 10
cbb0: <TI1520 PCI-CardBus Bridge> irq 10 at device 2.0 on pci2
cardbus0: <CardBus bus> on cbb0
cbb1: <TI1520 PCI-CardBus Bridge> irq 10 at device 2.1 on pci2
cardbus1: <CardBus bus> on cbb1
pcm0: <ESS Technology Allegro-1> port 0x5000-0x50ff irq 5 at device 3.0 on pci2
pcm0: failed to enable memory mapping!
pcm0: <ESS Technology ES1988 AC97 Codec>
fwohci0: vendor=104c, dev=8026
fwohci0: <1394 Open Host Controller Interface> mem 0xe8200000-0xe8203fff,0xe8207000-0xe82077ff irq 10 at device 5.0 on pci2
fwohci0: OHCI version 1.10 (ROM=1)
fwohci0: No. of Isochronous channel is 4.
fwohci0: EUI64 00:e0:b8:04:00:01:8d:16
fwohci0: Phy 1394a available S400, 1 ports.
fwohci0: Link S400, max_rec 2048 bytes.
firewire0: <IEEE1394(FireWire) bus> on fwohci0
fwohci0: Initiate bus reset
fwohci0: BUS reset
fwohci0: node_id=0xc000ffc0, gen=1, CYCLEMASTER mode
firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me)
firewire0: bus manager 0 (me)
fxp0: <Intel 82801CAM (ICH3) Pro/100 VE Ethernet> port 0x5400-0x543f mem 0xe8206000-0xe8206fff irq 10 at device 8.0 on pci2
fxp0: Ethernet address 00:e0:b8:4b:52:c5
miibus0: <MII bus> on fxp0
inphy0: <i82562ET 10/100 media interface> on miibus0
inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH3 UDMA100 controller> port 0x1860-0x186f,0x374-0x377,0x170-0x177,0x3f4-0x3f7,0x1f0-0x1f7 mem 0xe8000000-0xe80003ff at device 31.1 on pci0
ata0: at 0x1f0 irq 14 on atapci0
ata1: at 0x170 irq 15 on atapci0
ichsmb0: <Intel 82801CA (ICH3) SMBus controller> port 0x1880-0x189f irq 10 at device 31.3 on pci0
smbus0: <System Management Bus> on ichsmb0
smb0: <SMBus generic I/O> on smbus0
pci0: <simple comms> at device 31.6 (no driver attached)
acpi_lid0: <Control Method Lid Switch> on acpi0
    ACPI-1287: *** Error: Method execution failed [\\_SB_.LID_._PSW] (Node 0xc4037b20), AE_NOT_EXIST
acpi_acad0: <AC adapter> on acpi0
acpi_cmbat0: <Control method Battery> on acpi0
acpi_cmbat1: <Control method Battery> on acpi0
acpi_button0: <Sleep Button> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
psm0: <PS/2 Mouse> irq 12 on atkbdc0
psm0: model Generic PS/2 mouse, device ID 0
acpi_ec0: <embedded controller> port 0x66,0x62 on acpi0
ppc0 port 0x778-0x77f,0x378-0x37f irq 7 drq 3 on acpi0
ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
sio0 port 0x3f8-0x3ff irq 4 on acpi0
sio0: type 16550A
pmtimer0 on isa0
orm0: <Option ROM> at iomem 0xc0000-0xcffff on isa0
sc0: <System console> on isa0
sc0: VGA <16 virtual consoles, flags=0x200>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
Timecounters tick every 10.000 msec
IPsec: Initialized Security Association Processing.
cbb0: Unsupported card type detected
cbb1: Unsupported card type detected
ata1-slave: timeout waiting for interrupt
ata1-slave: ATAPI identify failed
ad0: 28615MB <IC25N030ATCS04-0> [58140/16/63] at ata0-master UDMA100
acd0: CD-RW <UJDA730 DVD/CDRW> at ata1-master UDMA33
Mounting root from ufs:/dev/ad0s2a
cd0 at ata1 bus 0 target 0 lun 0
cd0: <MATSHITA UJDA730 DVD/CDRW 1.02> Removable CD-ROM SCSI-0 device
cd0: 33.000MB/s transfers
cd0: Attempt to query device size failed: NOT READY, Medium not present - tray closed
<<<<< /var/run/dmesg.boot <<<<<
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