Hi,
CPU fan shuts down on load of fan.ko in kernel 2.6.18 and later
On my emachines 370, the CPU fan stops immediately on load of fan.ko
during boot up. It does not seem to come back on again even on high
CPU load and very hot heatsink. Removing fan.ko from the drivers/acpi
directory solves the problem, but insmodding fan.ko after boot again
stops the fan. 2.6.17 vanilla does not show the problem, nor does
2.6.17-5mdv (Mandriva) but 2.6.18, 2.6.19.1, and 2.6.20-rc2 do. The
problem seems to have been noticed before on Suse:
http://www.suseforums.net/lofiversion/index.php/t28013.html
The machine is an otherwise well behaved celeron 1.8, 1GB memory,
with Trigem imperial GL VE motherboard, phoenix bios.
Keywords: fan, cpu, acpi, driver
To reproduce: boot sequence inserting fan.ko, or insmod fan.ko after
boot.
Other bug report details follow,
Thanks a lot,
Matthew
Environment:
Linux bob.dynevor.org 2.6.20-rc2emach #0 SMP Thu Dec 28 09:55:13 GMT
2006 i686 Intel(R) Celeron(R) CPU 1.80GHz GNU/Linux
Gnu C 4.1.1
Gnu make 3.81
binutils 2.16.91.0.7
util-linux 2.12r
mount 2.12r
module-init-tools 3.2.2
e2fsprogs 1.39
PPP 2.4.3
Linux C Library > libc.2.4
Dynamic linker (ldd) 2.4
Procps 3.2.6
Net-tools 1.60
Console-tools 0.2.3
Sh-utils 5.97
udev 098
wireless-tools 28
Modules Loaded i915 drm autofs4 ipv6 usblp rfcomm snd_pcm_oss
snd_mixer_oss snd_usb_audio snd_pcm snd_timer l2cap snd_page_alloc
bluetooth snd_usb_lib snd_rawmidi snd_seq_device snd_hwdep snd
soundcore 8139too mii af_packet ide_cd binfmt_misc loop vfat fat
dm_mod video thermal processor fan container button battery asus_acpi
backlight ac cpufreq_ondemand cpufreq_conservative cpufreq_powersave
p4_clockmod speedstep_lib freq_table intel_agp agpgart nvram sr_mod
scsi_mod evdev tsdev usbmouse usbhid hid ehci_hcd ff_memless uhci_hcd
usbcore ext3 jbd
cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 15
model : 1
model name : Intel(R) Celeron(R) CPU 1.80GHz
stepping : 3
cpu MHz : 1800.000
cache size : 128 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : 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 ht tm up
bogomips : 3584.28
cat /proc/modules
i915 24448 2 - Live 0xf8b9e000
drm 71444 3 i915, Live 0xf8bac000
autofs4 20740 1 - Live 0xf8b72000
ipv6 242848 16 - Live 0xf8bdd000
usblp 15232 0 - Live 0xf89ad000
rfcomm 38552 2 - Live 0xf8b8a000
snd_pcm_oss 40864 0 - Live 0xf8b7f000
snd_mixer_oss 17536 1 snd_pcm_oss, Live 0xf8b6c000
snd_usb_audio 75360 0 - Live 0xf8b44000
snd_pcm 68996 2 snd_pcm_oss,snd_usb_audio, Live 0xf8b5a000
snd_timer 21508 1 snd_pcm, Live 0xf8b3d000
l2cap 26624 5 rfcomm, Live 0xf8b27000
snd_page_alloc 11400 1 snd_pcm, Live 0xf8b11000
bluetooth 50916 4 rfcomm,l2cap, Live 0xf8b2f000
snd_usb_lib 17408 1 snd_usb_audio, Live 0xf8b18000
snd_rawmidi 21920 1 snd_usb_lib, Live 0xf8afd000
snd_seq_device 10252 1 snd_rawmidi, Live 0xf8af9000
snd_hwdep 10500 1 snd_usb_audio, Live 0xf8af5000
snd 45668 8
snd_pcm_oss,snd_mixer_oss,snd_usb_audio,snd_pcm,snd_timer,snd_rawmidi,snd_seq_device,snd_hwdep,
Live 0xf8b04000
soundcore 9824 1 snd, Live 0xf8af1000
8139too 25344 0 - Live 0xf8ade000
mii 8576 1 8139too, Live 0xf8ada000
af_packet 23304 2 - Live 0xf89b7000
ide_cd 37920 0 - Live 0xf8ae6000
binfmt_misc 12680 1 - Live 0xf89b2000
loop 16264 0 - Live 0xf8995000
vfat 13952 0 - Live 0xf899a000
fat 47772 1 vfat, Live 0xf8acd000
dm_mod 50252 0 - Live 0xf89be000
video 17668 0 - Live 0xf89a7000
thermal 15240 0 - Live 0xf88ee000
processor 28520 1 thermal, Live 0xf899f000
fan 7556 0 - Live 0xf8992000
container 7296 0 - Live 0xf898f000
button 10000 0 - Live 0xf8985000
battery 12036 0 - Live 0xf8981000
asus_acpi 18972 0 - Live 0xf8989000
backlight 8448 1 asus_acpi, Live 0xf88fa000
ac 7812 0 - Live 0xf88f7000
cpufreq_ondemand 10508 0 - Live 0xf88f3000
cpufreq_conservative 9992 0 - Live 0xf88b4000
cpufreq_powersave 5632 0 - Live 0xf88cb000
p4_clockmod 8708 0 - Live 0xf88c7000
speedstep_lib 7940 1 p4_clockmod, Live 0xf88bb000
freq_table 7936 2 cpufreq_ondemand,p4_clockmod, Live 0xf88b8000
intel_agp 24092 1 - Live 0xf88a7000
agpgart 29128 3 drm,intel_agp, Live 0xf88be000
nvram 11144 0 - Live 0xf8898000
sr_mod 17828 0 - Live 0xf88ae000
scsi_mod 122124 1 sr_mod, Live 0xf88cf000
evdev 11904 1 - Live 0xf8894000
tsdev 10048 0 - Live 0xf8890000
usbmouse 8192 0 - Live 0xf885a000
usbhid 36896 0 - Live 0xf889c000
hid 27268 1 usbhid, Live 0xf887d000
ehci_hcd 31500 0 - Live 0xf8887000
ff_memless 8840 1 usbhid, Live 0xf881c000
uhci_hcd 24080 0 - Live 0xf8825000
usbcore 115720 8
usblp,snd_usb_audio,snd_usb_lib,usbmouse,usbhid,ehci_hcd,uhci_hcd,
Live 0xf883c000
ext3 117128 1 - Live 0xf885f000
jbd 52008 1 ext3, Live 0xf882e000
cat /proc/ioports
0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-006f : keyboard
0070-0077 : rtc
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : 0000:00:1f.1
0170-0177 : ide1
01f0-01f7 : 0000:00:1f.1
01f0-01f7 : ide0
0376-0376 : 0000:00:1f.1
0376-0376 : ide1
03c0-03df : vga+
03f6-03f6 : 0000:00:1f.1
03f6-03f6 : ide0
03f8-03ff : serial
0cf8-0cff : PCI conf1
1000-107f : 0000:00:1f.0
1000-107f : motherboard
1000-1003 : ACPI PM1a_EVT_BLK
1004-1005 : ACPI PM1a_CNT_BLK
1008-100b : ACPI PM_TMR
1010-1015 : ACPI CPU throttle
1020-1020 : ACPI PM2_CNT_BLK
1028-102f : ACPI GPE0_BLK
1180-11bf : 0000:00:1f.0
1180-11bf : motherboard
1800-181f : 0000:00:1d.0
1800-181f : uhci_hcd
1820-183f : 0000:00:1d.1
1820-183f : uhci_hcd
1840-185f : 0000:00:1d.2
1840-185f : uhci_hcd
1860-186f : 0000:00:1f.1
1860-1867 : ide0
1868-186f : ide1
1880-189f : 0000:00:1f.3
18c0-18ff : 0000:00:1f.5
1c00-1cff : 0000:00:1f.5
2000-2fff : PCI Bus #02
2000-20ff : 0000:02:02.0
cat /proc/ioports
0000-001f : dma1
0020-0021 : pic1
0040-0043 : timer0
0050-0053 : timer1
0060-006f : keyboard
0070-0077 : rtc
0080-008f : dma page reg
00a0-00a1 : pic2
00c0-00df : dma2
00f0-00ff : fpu
0170-0177 : 0000:00:1f.1
0170-0177 : ide1
01f0-01f7 : 0000:00:1f.1
01f0-01f7 : ide0
0376-0376 : 0000:00:1f.1
0376-0376 : ide1
03c0-03df : vga+
03f6-03f6 : 0000:00:1f.1
03f6-03f6 : ide0
03f8-03ff : serial
0cf8-0cff : PCI conf1
1000-107f : 0000:00:1f.0
1000-107f : motherboard
1000-1003 : ACPI PM1a_EVT_BLK
1004-1005 : ACPI PM1a_CNT_BLK
1008-100b : ACPI PM_TMR
1010-1015 : ACPI CPU throttle
1020-1020 : ACPI PM2_CNT_BLK
1028-102f : ACPI GPE0_BLK
1180-11bf : 0000:00:1f.0
1180-11bf : motherboard
1800-181f : 0000:00:1d.0
1800-181f : uhci_hcd
1820-183f : 0000:00:1d.1
1820-183f : uhci_hcd
1840-185f : 0000:00:1d.2
1840-185f : uhci_hcd
1860-186f : 0000:00:1f.1
1860-1867 : ide0
1868-186f : ide1
1880-189f : 0000:00:1f.3
18c0-18ff : 0000:00:1f.5
1c00-1cff : 0000:00:1f.5
2000-2fff : PCI Bus #02
2000-20ff : 0000:02:02.0
2000-20ff : 8139too
fe00-fe00 : motherboard
[root@bob ~]#
[root@bob ~]# cat /proc/iomem
00000000-0009efff : System RAM
00000000-00000000 : Crash kernel
0009f000-0009ffff : reserved
000a0000-000bffff : Video RAM area
000c0000-000c7fff : Video ROM
000f0000-000fffff : System ROM
00100000-3fceffff : System RAM
00100000-002e9ef0 : Kernel code
002e9ef1-003a23f3 : Kernel data
3fcf0000-3fcfefff : ACPI Tables
3fcff000-3fcfffff : ACPI Non-volatile Storage
3fd00000-3fe7ffff : System RAM
3fe80000-3fffffff : reserved
50000000-500003ff : 0000:00:1f.1
e8000000-e807ffff : 0000:00:02.0
e8080000-e80803ff : 0000:00:1d.7
e8080000-e80803ff : ehci_hcd
e8080800-e80808ff : 0000:00:1f.5
e8080c00-e8080dff : 0000:00:1f.5
e8100000-e81fffff : PCI Bus #02
e8100000-e81000ff : 0000:02:02.0
e8100000-e81000ff : 8139too
ec000000-efffffff : 0000:00:00.0
f0000000-f7ffffff : 0000:00:02.0
ff800000-ffbfffff : reserved
fff00000-ffffffff : reserved
lspci -vvv
00:00.0 Host bridge: Intel Corporation 82845G/GL[Brookdale-G]/GE/PE
DRAM Controller/Host-Hub Interface (rev 01)
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort+ >SERR- <PERR-
Latency: 0
Region 0: Memory at ec000000 (32-bit, prefetchable) [size=64M]
Capabilities: [e4] Vendor Specific Information
00:02.0 VGA compatible controller: Intel Corporation
82845G/GL[Brookdale-G]/GE Chipset Integrated Graphics Device (rev 01)
(prog-if 00 [VGA])
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 17
Region 0: Memory at f0000000 (32-bit, prefetchable) [size=128M]
Region 1: Memory at e8000000 (32-bit, non-prefetchable)
[size=512K]
Capabilities: [d0] Power Management version 1
Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA
PME(D0-,D1-,D2-,D3hot-,D3cold-)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
00:1d.0 USB Controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #1 (rev 01) (prog-if 00
[UHCI])
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 17
Region 4: I/O ports at 1800 [size=32]
00:1d.1 USB Controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #2 (rev 01) (prog-if 00
[UHCI])
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin B routed to IRQ 18
Region 4: I/O ports at 1820 [size=32]
00:1d.2 USB Controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) USB UHCI Controller #3 (rev 01) (prog-if 00
[UHCI])
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin C routed to IRQ 16
Region 4: I/O ports at 1840 [size=32]
00:1d.7 USB Controller: Intel Corporation 82801DB/DBM (ICH4/ICH4-M)
USB2 EHCI Controller (rev 01) (prog-if 20 [EHCI])
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin D routed to IRQ 19
Region 0: Memory at e8080000 (32-bit, non-prefetchable) [size=1K]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev 81)
(prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
<TAbort- <MAbort- >SERR- <PERR+
Latency: 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
I/O behind bridge: 00002000-00002fff
Memory behind bridge: e8100000-e81fffff
Prefetchable memory behind bridge: fff00000-000fffff
Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
00:1f.0 ISA bridge: Intel Corporation 82801DB/DBL (ICH4/ICH4-L) LPC
Interface Bridge (rev 01)
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
00:1f.1 IDE interface: Intel Corporation 82801DB (ICH4) IDE Controller
(rev 01) (prog-if 8a [Master SecP PriP])
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 16
Region 0: I/O ports at 01f0 [size=8]
Region 1: I/O ports at 03f4 [size=1]
Region 2: I/O ports at 0170 [size=8]
Region 3: I/O ports at 0374 [size=1]
Region 4: I/O ports at 1860 [size=16]
Region 5: Memory at 50000000 (32-bit, non-prefetchable) [size=1K]
00:1f.3 SMBus: Intel Corporation 82801DB/DBL/DBM (ICH4/ICH4-L/ICH4-M)
SMBus Controller (rev 01)
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O+ Mem- BusMaster- SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort- >SERR- <PERR-
Interrupt: pin B routed to IRQ 9
Region 4: I/O ports at 1880 [size=32]
00:1f.5 Multimedia audio controller: Intel Corporation 82801DB/DBL/DBM
(ICH4/ICH4-L/ICH4-M) AC'97 Audio Controller (rev 01)
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR- FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin B routed to IRQ 9
Region 0: I/O ports at 1c00 [size=256]
Region 1: I/O ports at 18c0 [size=64]
Region 2: Memory at e8080c00 (32-bit, non-prefetchable) [size=512]
Region 3: Memory at e8080800 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1- D2- AuxCurrent=375mA
PME(D0+,D1-,D2-,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
02:02.0 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL-8139/8139C/8139C+ (rev 10)
Subsystem: Trigem Computer Inc. Unknown device 3189
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop-
ParErr- Stepping- SERR+ FastB2B-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium
TAbort- <TAbort- <MAbort- >SERR- <PERR-
Latency: 64 (8000ns min, 16000ns max)
Interrupt: pin A routed to IRQ 20
Region 0: I/O ports at 2000 [size=256]
Region 1: Memory at e8100000 (32-bit, non-prefetchable) [size=256]
Capabilities: [50] Power Management version 2
Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=375mA
PME(D0-,D1+,D2+,D3hot+,D3cold+)
Status: D0 PME-Enable- DSel=0 DScale=0 PME-
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