Re: CURRENT Kernel makes the system run very very hot

2007/12/12, Ken Menzel <kenfreebsd_at_icarz.com>:
> ----- Original Message -----
> From: "Mark Linimon" <linimon_at_lonesome.com>
> To: "Sam Fourman Jr." <sfourman_at_gmail.com>
> Cc: <freebsd-current_at_freebsd.org>
> Sent: Wednesday, December 12, 2007 2:42 AM
> Subject: Re: CURRENT Kernel makes the system run very very hot
>
>
> > On Wed, Dec 12, 2007 at 01:38:49AM -0600, Sam Fourman Jr. wrote:
> >> I did not file a PR (I don't know how I have never done one.)
> >
> > Please see http://www.freebsd.org/support/bugreports.html.
> >
> > mcl
> Thanks Mark,  It seems like it may be an ACPI problem based on:
>
> (kgdb) print cpu_idle_hook
> $1 = (void (*)(void)) 0xffffffff801d0bb0 <acpi_cpu_idle>
> (kgdb) q
>
> Thanks to Kostik Belousov for the advice on where to go next.  And
> based on that I will move this to the ACPI mailing list and file a PR.
>
Hmm, on my too hot i386 laptop:

# make installkernel.debug
#gdb /boot/kernel/kernel
GNU gdb 6.1.1 [FreeBSD]
Copyright 2004 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you are
welcome to change it and/or distribute copies of it under certain conditions.
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for details.
This GDB was configured as "i386-marcel-freebsd"...
(gdb) print cpu_idle_hook
$1 = (void (*)(void)) 0xc063cc9b <cpu_idle_default>
(gdb) print cpu_idle_default
$2 = {void (void)} 0xc063cc9b <cpu_idle_default>

#grep -r cpu_idle_default *
amd64/amd64/machdep.c:cpu_idle_default(void)
amd64/amd64/machdep.c:void (*cpu_idle_hook)(void) = cpu_idle_default;
dev/acpica/acpi_cpu.c:    /* Take over idling from cpu_idle_default(). */
i386/i386/machdep.c:cpu_idle_default(void)
i386/i386/machdep.c:void (*cpu_idle_hook)(void) = cpu_idle_default;
ia64/ia64/machdep.c:cpu_idle_default(void)
ia64/ia64/machdep.c:void (*cpu_idle_hook)(void) = cpu_idle_default;
pc98/pc98/machdep.c:cpu_idle_default(void)
pc98/pc98/machdep.c:void (*cpu_idle_hook)(void) = cpu_idle_default;

#dmesg |grep -i acpi
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
ACPI APIC Table: <AMI    OEMAPIC >
acpi0: <_ASUS_ Notebook> on motherboard
acpi0: [ITHREAD]
acpi0: Power Button (fixed)
acpi0: reservation of 0, a0000 (3) failed
acpi0: reservation of e0000, 20000 (3) failed
acpi0: reservation of 100000, 7ff00000 (3) failed
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x808-0x80b on acpi0
acpi_ec0: <Embedded Controller: GPE 0x1c> port 0x62,0x66 on acpi0
acpi_hpet0: <High Precision Event Timer> iomem 0xfed00000-0xfed003ff on acpi0
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
ACPI Warning (tbutils-0243): Incorrect checksum in table [SSDT] -  99,
should be 2C [20070320]
acpi_asus0: Unsupported Asus laptop: A6Je
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pcib1: <ACPI PCI-PCI bridge> irq 16 at device 1.0 on pci0
pci1: <ACPI PCI bus> on pcib1
acpi_video0: <ACPI video extension> on vgapci0
pcib2: <ACPI PCI-PCI bridge> irq 20 at device 28.0 on pci0
pci2: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> irq 19 at device 28.3 on pci0
pci3: <ACPI PCI bus> on pcib3
pcib4: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci4: <ACPI PCI bus> on pcib4
acpi_lid0: <Control Method Lid Switch> on acpi0
acpi_button0: <Power Button> on acpi0
acpi_button1: <Sleep Button> on acpi0
acpi_tz0: <Thermal Zone> on acpi0
acpi_acad0: <AC Adapter> on acpi0
battery0: <ACPI Control Method Battery> on acpi0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
speaker0: <PC speaker> port 0x61 on acpi0
acpi_asus0: Unsupported Asus laptop: A6Je

hw.acpi.cpu.cx_lowest: C1

So I have an ACPI capable CPU but it is not (properly) loaded?

Regards,
Rene
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