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Bug#603487: marked as done (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))



Your message dated Tue, 16 Nov 2010 23:09:57 +0000
with message-id <1289948997.30433.7.camel@localhost>
and subject line Re: 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)
has caused the Debian Bug report #603487,
regarding 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)
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
message is talking about, this may indicate a serious mail system
misconfiguration somewhere. Please contact owner@bugs.debian.org
immediately.)


-- 
603487: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=603487
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message ---
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_audio
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_codec,snd_pcm_oss,snd_usb_audio,snd_mixer_oss,snd_pcm,snd_seq,snd_rawmidi,snd_hwdep,snd_timer,snd_seq_device
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_wwan,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



--- End Message ---
--- Begin Message ---
On Tue, 2010-11-16 at 19:42 +0100, Yves-Alexis Perez wrote:
> 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

Whoa, that is weird.

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

I can't really recommend tp-smapi; it's too bad even for staging.  But
it's your choice.

In any case, I'm closing this bug as it seems to be correct behaviour
with this oddly designed hardware.

Ben.

-- 
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.

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