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Old 11-14-2010, 03:45 PM
Florian
 
Default Bug#603487: linux-image-2.6.32-5-amd64: CPU runs on lowest frequency only, does not increase anymore on demand (as it used to do before)

Package: linux-2.6
Version: 2.6.32-27
Severity: important
Tags: squeeze


Since some kernel versions the CPU frequency always stays at its lowest value (in my case, on a Intel i5 M540,
this is 1.2 GHz). I have a Lenovo Thinkpad X201 with newest BIOS installed.

cpufreq-info tells me:

-----------------
analyzing CPU 0:
driver: acpi-cpufreq
CPUs which run at the same hardware frequency: 0 1 2 3
CPUs which need to have their frequency coordinated by software: 0
maximum transition latency: 10.0 us.
hardware limits: 1.20 GHz - 2.53 GHz
available frequency steps: 2.53 GHz, 2.53 GHz, 2.40 GHz, 2.27 GHz, 2.13 GHz, 2.00 GHz, 1.87 GHz, 1.73 GHz, 1.60 GHz, 1.47 GHz, 1.33 GHz, 1.20 GHz
available cpufreq governors: conservative, powersave, userspace, ondemand, performance
current policy: frequency should be within 1.20 GHz and 1.20 GHz.
The governor "ondemand" may decide which speed to use
within this range.
current CPU frequency is 1.20 GHz.
cpufreq stats: 2.53 GHz:0.00%, 2.53 GHz:0.00%, 2.40 GHz:0.00%, 2.27 GHz:0.00%, 2.13 GHz:0.00%, 2.00 GHz:0.00%, 1.87 GHz:0.00%, 1.73 GHz:0.00%, 1.60 GHz:0.00%, 1.47 GHz:0.00%, 1.33 GHz:0.00%, 1.20 GHz:100.00% (1)
-----------------


This used to work, I tried with an older 2.6.32-9 which I still have installed:

cpufreq-info | grep "hardware limits|current policy":
-----------------
hardware limits: 1.20 GHz - 2.53 GHz
current policy: frequency should be within 1.20 GHz and 2.53 GHz.
-----------------


I am pretty sure that it stopped working not so long time ago, maybe around one or two months ago.

Trying to change the frequency using the 'Gnome CPU Frequency Scaling Monitor' tool does not change anything.
Note that I tried 2.6.36 from experimental, there it does not work as well.

thank you for your work,

Florian





-- Package-specific info:
** Version:
Linux version 2.6.32-5-amd64 (Debian 2.6.32-27) (maks@debian.org) (gcc version 4.3.5 (Debian 4.3.5-4) ) #1 SMP Sat Oct 30 14:18:21 UTC 2010

** Command line:
BOOT_IMAGE=/vmlinuz-2.6.32-5-amd64 root=/dev/mapper/debian-root ro quiet

** Not tainted

** Kernel log:
[ 10.595958] i915 0000:00:02.0: irq 34 for MSI/MSI-X
[ 10.595964] [drm] set up 31M of stolen space
[ 10.598927] phy0: Selected rate control algorithm 'iwl-agn-rs'
[ 10.621628] USB Serial support registered for Qualcomm USB modem
[ 10.623579] qcserial 2-1.4:1.2: Qualcomm USB modem converter detected
[ 10.623670] usb 2-1.4: Qualcomm USB modem converter now attached to ttyUSB0
[ 10.623706] usbcore: registered new interface driver qcserial
[ 10.715542] Synaptics Touchpad, model: 1, fw: 7.4, id: 0x1e0b1, caps: 0xd047b1/0xb40000/0xa0000
[ 10.715546] serio: Synaptics pass-through port at isa0060/serio1/input0
[ 10.766898] input: SynPS/2 Synaptics TouchPad as /devices/platform/i8042/serio1/input/input10
[ 10.771315] usbcore: registered new interface driver snd-usb-audio
[ 10.781469] Linux video capture interface: v2.00
[ 10.839241] uvcvideo: Found UVC 1.00 device Integrated Camera (17ef:4816)
[ 10.840352] input: Integrated Camera as /devices/pci0000:00/0000:00:1a.0/usb1/1-1/1-1.6/1-1.6:1.0/input/input11
[ 10.840408] usbcore: registered new interface driver uvcvideo
[ 10.840411] USB Video Class driver (v0.1.0)
[ 11.442413] Console: switching to colour frame buffer device 160x50
[ 11.445417] fb0: inteldrmfb frame buffer device
[ 11.445418] registered panic notifier
[ 11.450874] acpi device:01: registered as cooling_device4
[ 11.451078] input: Video Bus as /devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/LNXVIDEO:00/input/input12
[ 11.451129] ACPI: Video Device [VID] (multi-head: yes rom: no post: no)
[ 11.451179] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on minor 0
[ 11.451220] HDA Intel 0000:00:1b.0: PCI INT B -> GSI 17 (level, low) -> IRQ 17
[ 11.451258] HDA Intel 0000:00:1b.0: setting latency timer to 64
[ 12.064531] loop: module loaded
[ 12.572042] Adding 4882424k swap on /dev/mapper/debian-swap. Priority:-1 extents:1 across:4882424k
[ 13.149153] EXT4-fs (dm-4): mounted filesystem with ordered data mode
[ 13.186916] EXT4-fs (dm-1): mounted filesystem with ordered data mode
[ 14.245065] fuse init (API version 7.13)
[ 14.706348] e1000e 0000:00:19.0: irq 31 for MSI/MSI-X
[ 14.766253] e1000e 0000:00:19.0: irq 31 for MSI/MSI-X
[ 14.766726] ADDRCONF(NETDEV_UP): eth0: link is not ready
[ 15.974257] input: ACPI Virtual Keyboard Device as /devices/virtual/input/input13
[ 16.315682] e1000e: eth0 NIC Link is Up 100 Mbps Full Duplex, Flow Control: RX
[ 16.315687] 0000:00:19.0: eth0: 10/100 speed: disabling TSO
[ 16.317967] ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[ 17.555012] IBM TrackPoint firmware: 0x0e, buttons: 3/3
[ 17.829047] input: TPPS/2 IBM TrackPoint as /devices/platform/i8042/serio1/serio2/input/input14
[ 18.226507] Bluetooth: Core ver 2.15
[ 18.226553] NET: Registered protocol family 31
[ 18.226555] Bluetooth: HCI device and connection manager initialized
[ 18.226557] Bluetooth: HCI socket layer initialized
[ 18.266118] Bluetooth: L2CAP ver 2.14
[ 18.266120] Bluetooth: L2CAP socket layer initialized
[ 18.458993] Bluetooth: RFCOMM TTY layer initialized
[ 18.459001] Bluetooth: RFCOMM socket layer initialized
[ 18.459004] Bluetooth: RFCOMM ver 1.11
[ 18.981851] Bluetooth: BNEP (Ethernet Emulation) ver 1.3
[ 18.981856] Bluetooth: BNEP filters: protocol multicast
[ 19.587866] Bridge firewalling registered
[ 19.764887] Bluetooth: SCO (Voice Link) ver 0.6
[ 19.764892] Bluetooth: SCO socket layer initialized
[ 22.451383] lp: driver loaded but no devices found
[ 22.530190] ppdev: user-space parallel port driver
[ 26.953025] eth0: no IPv6 routers present
[ 47.221262] CPU0 attaching NULL sched-domain.
[ 47.221268] CPU1 attaching NULL sched-domain.
[ 47.221272] CPU2 attaching NULL sched-domain.
[ 47.221275] CPU3 attaching NULL sched-domain.
[ 47.248768] CPU0 attaching sched-domain:
[ 47.248774] domain 0: span 0-1 level SIBLING
[ 47.248778] groups: 0 (cpu_power = 589) 1 (cpu_power = 589)
[ 47.248787] domain 1: span 0-3 level MC
[ 47.248790] groups: 0-1 (cpu_power = 1178) 2-3 (cpu_power = 1178)
[ 47.248800] CPU1 attaching sched-domain:
[ 47.248803] domain 0: span 0-1 level SIBLING
[ 47.248807] groups: 1 (cpu_power = 589) 0 (cpu_power = 589)
[ 47.248814] domain 1: span 0-3 level MC
[ 47.248818] groups: 0-1 (cpu_power = 1178) 2-3 (cpu_power = 1178)
[ 47.248827] CPU2 attaching sched-domain:
[ 47.248830] domain 0: span 2-3 level SIBLING
[ 47.248833] groups: 2 (cpu_power = 589) 3 (cpu_power = 589)
[ 47.248840] domain 1: span 0-3 level MC
[ 47.248843] groups: 2-3 (cpu_power = 1178) 0-1 (cpu_power = 1178)
[ 47.248852] CPU3 attaching sched-domain:
[ 47.248855] domain 0: span 2-3 level SIBLING
[ 47.248858] groups: 3 (cpu_power = 589) 2 (cpu_power = 589)
[ 47.248866] domain 1: span 0-3 level MC
[ 47.248869] groups: 2-3 (cpu_power = 1178) 0-1 (cpu_power = 1178)
[ 891.877931] tun: Universal TUN/TAP device driver, 1.6
[ 891.877936] tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
[ 901.259237] tun0: Disabled Privacy Extensions

** Model information
sys_vendor: LENOVO
product_name: 3680A78
product_version: ThinkPad X201
chassis_vendor: LENOVO
chassis_version: Not Available
bios_vendor: LENOVO
bios_version: 6QET52WW (1.22 )
board_vendor: LENOVO
board_name: 3680A78
board_version: Not Available

** Loaded modules:
Module Size Used by
tun 10844 2
parport_pc 18855 0
ppdev 5030 0
lp 7462 0
parport 27954 3 parport_pc,ppdev,lp
sco 7209 2
bridge 39646 0
stp 1440 1 bridge
bnep 9443 2
rfcomm 29613 0
acpi_cpufreq 5555 1
l2cap 24736 6 bnep,rfcomm
bluetooth 41827 6 sco,bnep,rfcomm,l2cap
cpufreq_stats 2659 0
cpufreq_conservative 5162 0
cpufreq_powersave 902 0
cpufreq_userspace 1992 0
binfmt_misc 6431 1
uinput 6376 1
fuse 50273 1
ext2 52969 1
loop 11799 0
snd_hda_codec_intelhdmi 10695 1
uvcvideo 51887 0
snd_hda_intel 19987 2
snd_hda_codec 54244 2 snd_hda_codec_intelhdmi,snd_hda_intel
videodev 29993 1 uvcvideo
v4l1_compat 11442 2 uvcvideo,videodev
snd_pcm_oss 32591 0
snd_usb_audio 64070 2
snd_mixer_oss 12606 1 snd_pcm_oss
v4l2_compat_ioctl32 8474 1 videodev
snd_usb_lib 13928 1 snd_usb_audio
snd_pcm 60503 5 snd_hda_intel,snd_hda_codec,snd_pcm_oss,snd_usb_au dio
qcserial 3831 0
snd_seq_midi 4400 0
usb_wwan 8068 1 qcserial
snd_seq_midi_event 4628 1 snd_seq_midi
arc4 1274 2
snd_seq 42881 3 snd_seq_midi,snd_seq_midi_event
ecb 1841 2
usbserial 27399 2 qcserial,usb_wwan
i915 254744 2
snd_rawmidi 15515 2 snd_usb_lib,snd_seq_midi
joydev 8459 0
snd_hwdep 5380 2 snd_hda_codec,snd_usb_audio
iwlagn 73235 0
drm_kms_helper 20065 1 i915
snd_timer 15582 2 snd_pcm,snd_seq
iwlcore 77826 1 iwlagn
drm 142375 3 i915,drm_kms_helper
snd_seq_device 4493 3 snd_seq_midi,snd_seq,snd_rawmidi
thinkpad_acpi 50087 0
snd 46446 21 snd_hda_codec_intelhdmi,snd_hda_intel,snd_hda_code c,snd_pcm_oss,snd_usb_audio,snd_mixer_oss,snd_pcm, snd_seq,snd_rawmidi,snd_hwdep,snd_timer,snd_seq_de vice
mac80211 137356 2 iwlagn,iwlcore
i2c_algo_bit 4225 1 i915
i2c_i801 7830 0
psmouse 49777 0
wmi 4323 0
soundcore 4598 1 snd
cfg80211 101512 3 iwlagn,iwlcore,mac80211
i2c_core 15712 6 videodev,i915,drm_kms_helper,drm,i2c_algo_bit,i2c_ i801
snd_page_alloc 6249 2 snd_hda_intel,snd_pcm
video 17445 1 i915
rfkill 13044 5 bluetooth,thinkpad_acpi,cfg80211
led_class 2433 2 iwlcore,thinkpad_acpi
output 1692 1 video
battery 4998 0
nvram 5077 1 thinkpad_acpi
serio_raw 3752 0
evdev 7352 33
pcspkr 1699 0
button 4650 1 i915
processor 29951 5 acpi_cpufreq
ac 2192 0
ext4 289097 3
mbcache 5050 2 ext2,ext4
jbd2 67015 1 ext4
crc16 1319 2 l2cap,ext4
sha256_generic 8692 2
aes_x86_64 7340 2
aes_generic 25714 1 aes_x86_64
cbc 2539 1
usbhid 33292 0
dm_crypt 10664 1
dm_mod 53786 15 dm_crypt
hid_cherry 1501 0
hid 62857 2 usbhid,hid_cherry
sd_mod 29777 3
crc_t10dif 1276 1 sd_mod
ahci 32374 2
thermal 11674 0
libata 133616 1 ahci
ehci_hcd 31135 0
thermal_sys 11942 3 video,processor,thermal
scsi_mod 122117 2 sd_mod,libata
usbcore 121954 9 uvcvideo,snd_usb_audio,snd_usb_lib,qcserial,usb_ww an,usbserial,usbhid,ehci_hcd
nls_base 6377 1 usbcore
e1000e 110047 0

** Network interface configuration:

auto lo
iface lo inet loopback

allow-hotplug eth0
iface eth0 inet dhcp


** PCI devices:
00:00.0 Host bridge [0600]: Intel Corporation Core Processor DRAM Controller [8086:0044] (rev 02)
Subsystem: Lenovo Device [17aa:2193]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ >SERR- <PERR- INTx-
Latency: 0
Capabilities: <access denied>
Kernel driver in use: agpgart-intel

00:02.0 VGA compatible controller [0300]: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:215a]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 34
Region 0: Memory at f2000000 (64-bit, non-prefetchable) [size=4M]
Region 2: Memory at d0000000 (64-bit, prefetchable) [size=256M]
Region 4: I/O ports at 1800 [size=8]
Expansion ROM at <unassigned> [disabled]
Capabilities: <access denied>
Kernel driver in use: i915

00:16.0 Communication controller [0780]: Intel Corporation 5 Series/3400 Series Chipset HECI Controller [8086:3b64] (rev 06)
Subsystem: Lenovo Device [17aa:215f]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx+
Latency: 0
Interrupt: pin A routed to IRQ 11
Region 0: Memory at f2727800 (64-bit, non-prefetchable) [size=16]
Capabilities: <access denied>

00:16.3 Serial controller [0700]: Intel Corporation 5 Series/3400 Series Chipset KT Controller [8086:3b67] (rev 06) (prog-if 02 [16550])
Subsystem: Lenovo Device [17aa:2162]
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin B routed to IRQ 17
Region 0: I/O ports at 1808 [size=8]
Region 1: Memory at f2524000 (32-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>
Kernel driver in use: serial

00:19.0 Ethernet controller [0200]: Intel Corporation 82577LM Gigabit Network Connection [8086:10ea] (rev 06)
Subsystem: Lenovo Device [17aa:2153]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin A routed to IRQ 31
Region 0: Memory at f2500000 (32-bit, non-prefetchable) [size=128K]
Region 1: Memory at f2525000 (32-bit, non-prefetchable) [size=4K]
Region 2: I/O ports at 1820 [size=32]
Capabilities: <access denied>
Kernel driver in use: e1000e

00:1a.0 USB Controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b3c] (rev 06) (prog-if 20 [EHCI])
Subsystem: Lenovo Device [17aa:2163]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin D routed to IRQ 23
Region 0: Memory at f2728000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci_hcd

00:1b.0 Audio device [0403]: Intel Corporation 5 Series/3400 Series Chipset High Definition Audio [8086:3b56] (rev 06)
Subsystem: Lenovo Device [17aa:215e]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin B routed to IRQ 17
Region 0: Memory at f2520000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: HDA Intel

00:1c.0 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 1 [8086:3b42] (rev 06) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Bus: primary=00, secondary=0d, subordinate=0d, sec-latency=0
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1c.3 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 4 [8086:3b48] (rev 06) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Bus: primary=00, secondary=05, subordinate=0c, sec-latency=0
I/O behind bridge: 00002000-00002fff
Memory behind bridge: f0000000-f1ffffff
Prefetchable memory behind bridge: 00000000f2800000-00000000f28fffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1c.4 PCI bridge [0604]: Intel Corporation 5 Series/3400 Series Chipset PCI Express Root Port 5 [8086:3b4a] (rev 06) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx+
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Bus: primary=00, secondary=02, subordinate=02, sec-latency=0
Memory behind bridge: f2400000-f24fffff
Secondary status: 66MHz- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>
Kernel driver in use: pcieport

00:1d.0 USB Controller [0c03]: Intel Corporation 5 Series/3400 Series Chipset USB2 Enhanced Host Controller [8086:3b34] (rev 06) (prog-if 20 [EHCI])
Subsystem: Lenovo Device [17aa:2163]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin D routed to IRQ 19
Region 0: Memory at f2728400 (32-bit, non-prefetchable) [size=1K]
Capabilities: <access denied>
Kernel driver in use: ehci_hcd

00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev a6) (prog-if 01 [Subtractive decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Bus: primary=00, secondary=0e, subordinate=0e, sec-latency=0
Secondary status: 66MHz- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort+ <SERR- <PERR-
BridgeCtl: Parity- SERR- NoISA+ VGA- MAbort- >Reset- FastB2B-
PriDiscTmr- SecDiscTmr- DiscTmrStat- DiscTmrSERREn-
Capabilities: <access denied>

00:1f.0 ISA bridge [0601]: Intel Corporation Mobile 5 Series Chipset LPC Interface Controller [8086:3b07] (rev 06)
Subsystem: Lenovo Device [17aa:2166]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Capabilities: <access denied>

00:1f.2 SATA controller [0106]: Intel Corporation 5 Series/3400 Series Chipset 6 port SATA AHCI Controller [8086:3b2f] (rev 06) (prog-if 01 [AHCI 1.0])
Subsystem: Lenovo Device [17aa:2168]
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx+
Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0
Interrupt: pin B routed to IRQ 32
Region 0: I/O ports at 1860 [size=8]
Region 1: I/O ports at 1814 [size=4]
Region 2: I/O ports at 1818 [size=8]
Region 3: I/O ports at 1810 [size=4]
Region 4: I/O ports at 1840 [size=32]
Region 5: Memory at f2727000 (32-bit, non-prefetchable) [size=2K]
Capabilities: <access denied>
Kernel driver in use: ahci

00:1f.3 SMBus [0c05]: Intel Corporation 5 Series/3400 Series Chipset SMBus Controller [8086:3b30] (rev 06)
Subsystem: Lenovo Device [17aa:2167]
Control: I/O+ Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin A routed to IRQ 23
Region 0: Memory at f2728800 (64-bit, non-prefetchable) [size=256]
Region 4: I/O ports at 1880 [size=32]
Kernel driver in use: i801_smbus

00:1f.6 Signal processing controller [1180]: Intel Corporation 5 Series/3400 Series Chipset Thermal Subsystem [8086:3b32] (rev 06)
Subsystem: Lenovo Device [17aa:2190]
Control: I/O- Mem+ BusMaster- SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Interrupt: pin D routed to IRQ 11
Region 0: Memory at f2526000 (64-bit, non-prefetchable) [size=4K]
Capabilities: <access denied>

02:00.0 Network controller [0280]: Intel Corporation Centrino Ultimate-N 6300 [8086:4238] (rev 35)
Subsystem: Intel Corporation Centrino Ultimate-N 6300 3x3 AGN [8086:1111]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR+ FastB2B- DisINTx-
Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0, Cache Line Size: 64 bytes
Interrupt: pin A routed to IRQ 33
Region 0: Memory at f2400000 (64-bit, non-prefetchable) [size=8K]
Capabilities: <access denied>
Kernel driver in use: iwlagn

ff:00.0 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture Generic Non-core Registers [8086:2c62] (rev 02)
Subsystem: Lenovo Device [17aa:2196]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0

ff:00.1 Host bridge [0600]: Intel Corporation Core Processor QuickPath Architecture System Address Decoder [8086:2d01] (rev 02)
Subsystem: Lenovo Device [17aa:2196]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0

ff:02.0 Host bridge [0600]: Intel Corporation Core Processor QPI Link 0 [8086:2d10] (rev 02)
Subsystem: Lenovo Device [17aa:2196]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0

ff:02.1 Host bridge [0600]: Intel Corporation Core Processor QPI Physical 0 [8086:2d11] (rev 02)
Subsystem: Lenovo Device [17aa:2196]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0

ff:02.2 Host bridge [0600]: Intel Corporation Core Processor Reserved [8086:2d12] (rev 02)
Subsystem: Lenovo Device [17aa:2196]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0

ff:02.3 Host bridge [0600]: Intel Corporation Core Processor Reserved [8086:2d13] (rev 02)
Subsystem: Lenovo Device [17aa:2196]
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B- DisINTx-
Status: Cap- 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- <TAbort- <MAbort- >SERR- <PERR- INTx-
Latency: 0


** USB devices:
Bus 002 Device 003: ID 05c6:9205 Qualcomm, Inc.
Bus 002 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 010: ID 0763:2003 Midiman M Audio AudioPhile
Bus 001 Device 008: ID 046d:c05a Logitech, Inc. Optical Mouse M90
Bus 001 Device 007: ID 046a:0023 Cherry GmbH CyMotion Master Linux Keyboard
Bus 001 Device 005: ID 17ef:4816 Lenovo
Bus 001 Device 004: ID 17ef:1005 Lenovo
Bus 001 Device 003: ID 147e:2016 Upek Biometric Touchchip/Touchstrip Fingerprint Sensor
Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub


-- System Information:
Debian Release: squeeze/sid
APT prefers testing
APT policy: (500, 'testing'), (101, 'experimental')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-5-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages linux-image-2.6.32-5-amd64 depends on:
ii debconf [debconf 1.5.36 Debian configuration management sy
ii initramfs-tools 0.98.5 tools for generating an initramfs
ii linux-base 2.6.36-1~experimental.1 Linux image base package
ii module-init-tool 3.12-1 tools for managing Linux kernel mo

Versions of packages linux-image-2.6.32-5-amd64 recommends:
ii firmware-linux-f 2.6.36-1~experimental.1 Binary firmware for various driver

Versions of packages linux-image-2.6.32-5-amd64 suggests:
pn grub | lilo <none> (no description available)
pn linux-doc-2.6.32 <none> (no description available)

Versions of packages linux-image-2.6.32-5-amd64 is related to:
pn firmware-bnx2 <none> (no description available)
pn firmware-bnx2x <none> (no description available)
pn firmware-ipw2x00 <none> (no description available)
pn firmware-ivtv <none> (no description available)
ii firmware-iwlwifi 0.27 Binary firmware for Intel Wireless
ii firmware-linux 0.27 Binary firmware for various driver
ii firmware-linux-nonfree 0.27 Binary firmware for various driver
pn firmware-qlogic <none> (no description available)
pn firmware-ralink <none> (no description available)
pn xen-hypervisor <none> (no description available)

-- debconf information excluded



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Old 11-14-2010, 04:21 PM
Ben Hutchings
 
Default Bug#603487: linux-image-2.6.32-5-amd64: CPU runs on lowest frequency only, does not increase anymore on demand (as it used to do before)

On Sun, 2010-11-14 at 17:45 +0100, Florian wrote:
> Package: linux-2.6
> Version: 2.6.32-27
> Severity: important
> Tags: squeeze
>
>
> Since some kernel versions the CPU frequency always stays at its lowest value (in my case, on a Intel i5 M540,
> this is 1.2 GHz). I have a Lenovo Thinkpad X201 with newest BIOS installed.
>
> cpufreq-info tells me:
>
> -----------------
> analyzing CPU 0:
> driver: acpi-cpufreq
> CPUs which run at the same hardware frequency: 0 1 2 3
> CPUs which need to have their frequency coordinated by software: 0
> maximum transition latency: 10.0 us.
> hardware limits: 1.20 GHz - 2.53 GHz
> available frequency steps: 2.53 GHz, 2.53 GHz, 2.40 GHz, 2.27 GHz, 2.13 GHz, 2.00 GHz, 1.87 GHz, 1.73 GHz, 1.60 GHz, 1.47 GHz, 1.33 GHz, 1.20 GHz
> available cpufreq governors: conservative, powersave, userspace, ondemand, performance
> current policy: frequency should be within 1.20 GHz and 1.20 GHz.
> The governor "ondemand" may decide which speed to use
> within this range.
[...]

Does frequency scaling work again if you run:

echo 2530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq

Ben.

--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
 
Old 11-14-2010, 04:30 PM
fbugs
 
Default Bug#603487: linux-image-2.6.32-5-amd64: CPU runs on lowest frequency only, does not increase anymore on demand (as it used to do before)

On 11/14/2010 06:21 PM, Ben Hutchings wrote:
> On Sun, 2010-11-14 at 17:45 +0100, Florian wrote:
>> Package: linux-2.6
>> Version: 2.6.32-27
>> Severity: important
>> Tags: squeeze
>>
>>
>> Since some kernel versions the CPU frequency always stays at its lowest value (in my case, on a Intel i5 M540,
>> this is 1.2 GHz). I have a Lenovo Thinkpad X201 with newest BIOS installed.
>>
>> cpufreq-info tells me:
>>
>> -----------------
>> analyzing CPU 0:
>> driver: acpi-cpufreq
>> CPUs which run at the same hardware frequency: 0 1 2 3
>> CPUs which need to have their frequency coordinated by software: 0
>> maximum transition latency: 10.0 us.
>> hardware limits: 1.20 GHz - 2.53 GHz
>> available frequency steps: 2.53 GHz, 2.53 GHz, 2.40 GHz, 2.27 GHz, 2.13 GHz, 2.00 GHz, 1.87 GHz, 1.73 GHz, 1.60 GHz, 1.47 GHz, 1.33 GHz, 1.20 GHz
>> available cpufreq governors: conservative, powersave, userspace, ondemand, performance
>> current policy: frequency should be within 1.20 GHz and 1.20 GHz.
>> The governor "ondemand" may decide which speed to use
>> within this range.
> [...]
>
> Does frequency scaling work again if you run:
>
> echo 2530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
>
> Ben.
>

No.


#cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
1199000
#echo 2530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
#cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
1199000

#cpufreq-info | grep "hardware limits|current policy"
hardware limits: 1.20 GHz - 2.53 GHz
current policy: frequency should be within 1.20 GHz and 1.20 GHz.



thanks, Florian





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Old 11-15-2010, 12:23 AM
Ben Hutchings
 
Default Bug#603487: linux-image-2.6.32-5-amd64: CPU runs on lowest frequency only, does not increase anymore on demand (as it used to do before)

On Sun, 2010-11-14 at 18:30 +0100, fbugs wrote:
[...]
> #cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
> 1199000
> #echo 2530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
> #cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
> 1199000
>
> #cpufreq-info | grep "hardware limits|current policy"
> hardware limits: 1.20 GHz - 2.53 GHz
> current policy: frequency should be within 1.20 GHz and 1.20 GHz.

OK. I can't find any change that would explain this. Please submit a
bug upstream at <https://bugzilla.kernel.org> under product 'ACPI',
component 'Power-Processor', and include:

- The precise model of computer and processor.
- The last version that worked, i.e. Debian's version 2.6.32-9. You can
specify that this is close to stable version 2.6.32.9.
- The information from cpufreq-info and the result of writing to
scaling_max_freq.

Let us know the bug number or URL so we can track it.

Ben.

--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
 
Old 11-15-2010, 09:35 PM
Florian
 
Default Bug#603487: linux-image-2.6.32-5-amd64: CPU runs on lowest frequency only, does not increase anymore on demand (as it used to do before)

On 11/15/2010 02:23 AM, Ben Hutchings wrote:
> On Sun, 2010-11-14 at 18:30 +0100, fbugs wrote:
> [...]
>> #cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
>> 1199000
>> #echo 2530000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
>> #cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
>> 1199000
>>
>> #cpufreq-info | grep "hardware limits|current policy"
>> hardware limits: 1.20 GHz - 2.53 GHz
>> current policy: frequency should be within 1.20 GHz and 1.20 GHz.
>
> OK. I can't find any change that would explain this. Please submit a
> bug upstream at <https://bugzilla.kernel.org> under product 'ACPI',
> component 'Power-Processor', and include:
>
> - The precise model of computer and processor.
> - The last version that worked, i.e. Debian's version 2.6.32-9. You can
> specify that this is close to stable version 2.6.32.9.
> - The information from cpufreq-info and the result of writing to
> scaling_max_freq.
>
> Let us know the bug number or URL so we can track it.
>
> Ben.
>



Ok. Before I go to kernel.org's bugzilla: I have found out with the help
of snapshot.debian.org that the last working debian kernel version was
2.6.32-20:

---
cpufreq-info | grep "hardware limits|current policy"
hardware limits: 1.20 GHz - 2.53 GHz
current policy: frequency should be within 1.20 GHz and 2.53 GHz.
---

>From 2.6.32-21 on it stopped working. Does this help and/or shall I
anyway submit an upstream bug report?

thanks,

Florian



Lenovo ThinkPad X201, model 3680A78
ThinkPad BIOS 6QET52WW (1.22 ), EC 6QHT30WW-1.11
Intel Core i5 CPU M 540 @ 2.53GHz stepping 02




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Old 11-15-2010, 11:58 PM
Ben Hutchings
 
Default Bug#603487: linux-image-2.6.32-5-amd64: CPU runs on lowest frequency only, does not increase anymore on demand (as it used to do before)

On Mon, 2010-11-15 at 23:35 +0100, Florian wrote:
[...]
> Ok. Before I go to kernel.org's bugzilla: I have found out with the help
> of snapshot.debian.org that the last working debian kernel version was
> 2.6.32-20:

Oh, good thinking.

> ---
> cpufreq-info | grep "hardware limits|current policy"
> hardware limits: 1.20 GHz - 2.53 GHz
> current policy: frequency should be within 1.20 GHz and 2.53 GHz.
> ---
>
> From 2.6.32-21 on it stopped working. Does this help and/or shall I
> anyway submit an upstream bug report?

Can you try booting with the additional kernel parameter 'ignore_ppc=1'?

Ben.

--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
 
Old 11-16-2010, 12:20 PM
Yves-Alexis Perez
 
Default Bug#603487: linux-image-2.6.32-5-amd64: CPU runs on lowest frequency only, does not increase anymore on demand (as it used to do before)

On dim., 2010-11-14 at 17:45 +0100, Florian wrote:
> Since some kernel versions the CPU frequency always stays at its
> lowest value (in my case, on a Intel i5 M540,
> this is 1.2 GHz). I have a Lenovo Thinkpad X201 with newest BIOS
> installed.
>

Just to be sure, is the battery installed in the system or do you run
from AC without battery?

Cheers,
--
Yves-Alexis
 
Old 11-16-2010, 05:33 PM
Florian
 
Default Bug#603487: linux-image-2.6.32-5-amd64: CPU runs on lowest frequency only, does not increase anymore on demand (as it used to do before)

Ben,

> Can you try booting with the additional kernel parameter 'ignore_ppc=1'?

Unfortunately this doesn't seem to make any difference, neither with
2.6.32 nor with 2.6.36...


Yves-Alexis,

>
> Just to be sure, is the battery installed in the system or do you run
> from AC without battery?
>

Good guess! I was running from AC without the battery installed. When I
install the battery, but continue to run from AC, it works again. What
is causing the problem then? I guess a workaround would be to install
some laptop tools to prevent a full load of the battery; is there
another solution?


thanks! Florian



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Old 11-16-2010, 05:42 PM
Yves-Alexis Perez
 
Default Bug#603487: linux-image-2.6.32-5-amd64: CPU runs on lowest frequency only, does not increase anymore on demand (as it used to do before)

On mar., 2010-11-16 at 19:33 +0100, Florian wrote:
> > Just to be sure, is the battery installed in the system or do you run
> > from AC without battery?
> >
>
> Good guess! I was running from AC without the battery installed. When I
> install the battery, but continue to run from AC, it works again. What
> is causing the problem then? I guess a workaround would be to install
> some laptop tools to prevent a full load of the battery; is there
> another solution?

It's not a problem, it's a way to protect your system. In some cases,
when fully loaded, the system draws too much power and your AC adaptor
(65W I guess) can't provide enough, so the system just crash. So when
the embedded controller detects that no battery is present and the 65W
adapter is used, it'll limit the max cpu frequency to prevent crashes.

See that thread about all this:
http://article.gmane.org/gmane.linux.hardware.thinkpad/40883

You really should always use your thinkpad *with* battery, and use
tp-smapi to keep the battery charge between 30-40% and 60-70%.

apt-get install tp-smapi-dkms to get the module

and http://www.thinkwiki.org/wiki/Tp_smapi for more info on this (what
you want is {start,stop}_charge_thresh).

Cheers,
--
Yves-Alexis
 

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