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  1. Bug #373245
  2. Activity log

Activity log for bug #373245

Date Who What changed Old value New value Message
2009-05-07 13:22:52 Andrew M bug added bug
2009-06-02 02:03:08 Bruce Cowan removed subscriber Bruce Cowan
2009-06-02 15:37:12 Andy Whitcroft affects linux-meta (Ubuntu) linux (Ubuntu)
2009-06-23 02:00:34 Andrew M bug added subscriber Jorge O. Castro
2009-08-22 13:04:29 Bruce Cowan removed subscriber Bruce Cowan
2009-08-25 20:38:52 SteBo nominated for series Ubuntu Karmic
2009-09-29 22:04:25 dasdsadsada summary wakeups <kernel core> : hrtimer_start_range_ns (tick_sched_timer) karmic: wakeups <kernel core> : hrtimer_start_range_ns (tick_sched_timer)
2009-10-17 21:28:28 lrvk bug watch added http://bugzilla.kernel.org/show_bug.cgi?id=14424
2009-10-17 21:36:26 Mansour Behabadi removed subscriber Mike
2009-10-19 08:50:08 Gapato removed subscriber Gapato
2009-11-10 01:54:21 Andrew M nominated for series Ubuntu Lucid
2009-11-12 13:14:32 vic_sarapin description Powertop reports a high number of wake ups attributed to hrtimer_start_range_ns. This occurs with the 2.6.28-11 kernel through to 2.6.30-020630rc4-generic #020630rc4 #uname -a Linux portland 2.6.30-020630rc4-generic #020630rc4 SMP Fri May 1 09:06:03 UTC 2009 i686 GNU/Linux Not sure if it makes much difference but i'm currently using UXA graphics accel. root@portland:~# lsb_release -rd Description: Ubuntu 9.04 Release: 9.04 root@portland:~# powertop PowerTOP 1.11 (C) 2007, 2008 Intel Corporation Collecting data for 5 seconds Your CPU supports the following C-states : C1 C2 C3 C4 C5 C6 Your BIOS reports the following C-states : C1 C2 C6 root@portland:~# powertop -d PowerTOP 1.11 (C) 2007, 2008 Intel Corporation Collecting data for 15 seconds Your CPU supports the following C-states : C1 C2 C3 C4 C5 C6 Your BIOS reports the following C-states : C1 C2 C6 Cn Avg residency C0 (cpu running) ( 5.5%) polling 0.0ms ( 0.0%) C1 mwait 0.0ms ( 0.0%) C2 mwait 0.2ms ( 0.1%) C6 mwait 8.2ms (94.4%) P-states (frequencies) 2.27 Ghz 3.0% 2.27 Ghz 0.5% 1.60 Ghz 1.3% 800 Mhz 95.2% Wakeups-from-idle per second : 119.1 interval: 15.0s Power usage (ACPI estimate): 10.6W (2.0 hours) Top causes for wakeups: 35.2% ( 66.3) <kernel core> : hrtimer_start_range_ns (tick_sched_timer) 16.1% ( 30.4) <kernel IPI> : Rescheduling interrupts 15.4% ( 29.0) <interrupt> : PS/2 keyboard/mouse/touchpad 10.4% ( 19.7) <interrupt> : iwlagn 8.3% ( 15.7) <interrupt> : extra timer interrupt 3.3% ( 6.2) konqueror : hrtimer_start_range_ns (hrtimer_wakeup) 1.7% ( 3.3) knotify4 : hrtimer_start_range_ns (hrtimer_wakeup) 1.5% ( 2.9) <interrupt> : i915@pci:0000:00:02.0 1.2% ( 2.3) <kernel core> : hrtimer_start (tick_sched_timer) 1.1% ( 2.0) mysqld : hrtimer_start_range_ns (hrtimer_wakeup) 1.0% ( 1.9) plasma : hrtimer_start_range_ns (hrtimer_wakeup) 0.6% ( 1.2) kwin : hrtimer_start_range_ns (hrtimer_wakeup) 0.5% ( 1.0) apache2 : hrtimer_start_range_ns (hrtimer_wakeup) 0.5% ( 1.0) klipper : hrtimer_start_range_ns (hrtimer_wakeup) 0.5% ( 0.9) <interrupt> : ahci 0.4% ( 0.8) Xorg : hrtimer_start (it_real_fn) 0.4% ( 0.7) Xorg : queue_delayed_work (delayed_work_timer_fn) 0.3% ( 0.6) <kernel core> : add_timer (neigh_periodic_timer) 0.2% ( 0.3) NetworkManager : hrtimer_start_range_ns (hrtimer_wakeup) 0.1% ( 0.3) kded4 : hrtimer_start_range_ns (hrtimer_wakeup) 0.1% ( 0.3) pdflush : queue_delayed_work (delayed_work_timer_fn) 0.1% ( 0.2) guidance-power- : hrtimer_start_range_ns (hrtimer_wakeup) 0.1% ( 0.2) krunner : hrtimer_start_range_ns (hrtimer_wakeup) 0.1% ( 0.2) phy0 : ieee80211_authenticate (ieee80211_sta_timer) 0.1% ( 0.1) konsole : hrtimer_start_range_ns (hrtimer_wakeup) 0.1% ( 0.1) Xorg : hrtimer_start_range_ns (hrtimer_wakeup) 0.1% ( 0.1) <kernel core> : inet_twsk_schedule (inet_twdr_hangman) 0.1% ( 0.1) <kernel module> : add_timer (sta_info_cleanup) 0.1% ( 0.1) kio_http : sk_reset_timer (tcp_write_timer) 0.0% ( 0.1) <kernel IPI> : TLB shootdowns 0.0% ( 0.1) pulseaudio : hrtimer_start_range_ns (hrtimer_wakeup) 0.0% ( 0.1) gconfd-2 : hrtimer_start_range_ns (hrtimer_wakeup) 0.0% ( 0.1) <kernel core> : page_writeback_init (wb_timer_fn) 0.0% ( 0.1) <kernel core> : start_rt_bandwidth (sched_rt_period_timer) 0.0% ( 0.1) ssh-agent : hrtimer_start_range_ns (hrtimer_wakeup) 0.0% ( 0.1) irqbalance : hrtimer_start_range_ns (hrtimer_wakeup) 0.0% ( 0.1) <kernel core> : laptop_io_completion (laptop_timer_fn) 0.0% ( 0.1) python : hrtimer_start_range_ns (hrtimer_wakeup) 0.0% ( 0.1) cupsd : ep_poll (process_timeout) Recent USB suspend statistics Active Device name 0.0% USB device usb8 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd) 0.0% USB device usb7 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd) 0.0% USB device usb6 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd) 0.0% USB device usb5 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd) 0.0% USB device usb4 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd) 0.0% USB device usb3 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd) 0.0% USB device usb2 : EHCI Host Controller (Linux 2.6.30-020630rc4-generic ehci_hcd) 0.0% USB device usb1 : EHCI Host Controller (Linux 2.6.30-020630rc4-generic ehci_hcd) root@portland:~# lspci -vvv 00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07) Subsystem: Lenovo Device 20e0 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: [e0] Vendor Specific Information <?> Kernel driver in use: agpgart-intel Kernel modules: intel-agp 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) Subsystem: Lenovo Device 20e4 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 29 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] Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+ Address: fee0100c Data: 41b1 Capabilities: [d0] Power Management version 3 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07) Subsystem: Lenovo Device 20e4 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 Region 0: Memory at f2400000 (64-bit, non-prefetchable) [size=1M] Capabilities: [d0] Power Management version 3 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- 00:03.0 Communication controller: Intel Corporation Mobile 4 Series Chipset MEI Controller (rev 07) Subsystem: Lenovo Device 20e6 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 f2826800 (64-bit, non-prefetchable) [size=16] Capabilities: [50] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [8c] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Address: 0000000000000000 Data: 0000 00:19.0 Ethernet controller: Intel Corporation 82567LM Gigabit Network Connection (rev 03) Subsystem: Lenovo Device 20ee 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 27 Region 0: Memory at f2600000 (32-bit, non-prefetchable) [size=128K] Region 1: Memory at f2625000 (32-bit, non-prefetchable) [size=4K] Region 2: I/O ports at 1840 [size=32] Capabilities: [c8] Power Management version 2 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=1 PME- Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+ Address: 00000000fee0100c Data: 41c1 Capabilities: [e0] PCIe advanced features <?> Kernel driver in use: e1000e Kernel modules: e1000e 00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03) Subsystem: Lenovo Device 20f0 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 A routed to IRQ 20 Region 4: I/O ports at 1860 [size=32] Capabilities: [50] PCIe advanced features <?> Kernel driver in use: uhci_hcd 00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03) Subsystem: Lenovo Device 20f0 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 21 Region 4: I/O ports at 1880 [size=32] Capabilities: [50] PCIe advanced features <?> Kernel driver in use: uhci_hcd 00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03) Subsystem: Lenovo Device 20f0 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 C routed to IRQ 22 Region 4: I/O ports at 18a0 [size=32] Capabilities: [50] PCIe advanced features <?> Kernel driver in use: uhci_hcd 00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03) (prog-if 20) Subsystem: Lenovo Device 20f1 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 f2826c00 (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- Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] PCIe advanced features <?> Kernel driver in use: ehci_hcd 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03) Subsystem: Lenovo Device 20f2 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 f2620000 (64-bit, non-prefetchable) [size=16K] Capabilities: [50] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable- Address: 0000000000000000 Data: 0000 Capabilities: [70] Express (v1) Root Complex Integrated Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us ExtTag- RBE- FLReset+ DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+ MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #0, Speed unknown, Width x0, ASPM unknown, Latency L0 <64ns, L1 <1us ClockPM- Suprise- LLActRep- BwNot- LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed unknown, Width x0, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt- Capabilities: [100] Virtual Channel <?> Capabilities: [130] Root Complex Link <?> Kernel driver in use: HDA Intel Kernel modules: snd-hda-intel 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03) 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 I/O behind bridge: 0000f000-00000fff Memory behind bridge: fff00000-000fffff Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff 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: [40] Express (v1) Root Port (Slot+), MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us ExtTag- RBE+ FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <4us ClockPM- Suprise- LLActRep+ BwNot- LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk- ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x0, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surpise+ Slot # 0, PowerLimit 6.500000; Interlock- NoCompl- SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet+ CmdCplt+ HPIrq+ LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock- Changed: MRL- PresDet- LinkState- RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootCap: CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+ Address: fee0300c Data: 4159 Capabilities: [90] Subsystem: Lenovo Device 20f3 Capabilities: [a0] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [100] Virtual Channel <?> Capabilities: [180] Root Complex Link <?> Kernel driver in use: pcieport-driver Kernel modules: shpchp 00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03) 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=03, subordinate=03, sec-latency=0 I/O behind bridge: 0000f000-00000fff Memory behind bridge: f2500000-f25fffff Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff 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: [40] Express (v1) Root Port (Slot+), MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us ExtTag- RBE+ FLReset- DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend- LnkCap: Port #2, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <256ns, L1 <4us ClockPM- Suprise- LLActRep+ BwNot- LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+ ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt- SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surpise+ Slot # 1, PowerLimit 6.500000; Interlock- NoCompl- SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet+ CmdCplt+ HPIrq+ LinkChg- Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock- SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock- Changed: MRL- PresDet- LinkState+ RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible- RootCap: CRSVisible- RootSta: PME ReqID 0000, PMEStatus- PMEPending- Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+ Address: fee0300c Data: 4161 Capabilities: [90] Subsystem: Lenovo Device 20f3 Capabilities: [a0] Power Management version 2 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [100] Virtual Channel <?> Capabilities: [180] Root Complex Link <?> Kernel driver in use: pcieport-driver Kernel modules: shpchp 00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03) Subsystem: Lenovo Device 20f0 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 A routed to IRQ 16 Region 4: I/O ports at 18c0 [size=32] Capabilities: [50] PCIe advanced features <?> Kernel driver in use: uhci_hcd 00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03) Subsystem: Lenovo Device 20f0 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 17 Region 4: I/O ports at 18e0 [size=32] Capabilities: [50] PCIe advanced features <?> Kernel driver in use: uhci_hcd 00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03) Subsystem: Lenovo Device 20f0 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 C routed to IRQ 18 Region 4: I/O ports at 1c00 [size=32] Capabilities: [50] PCIe advanced features <?> Kernel driver in use: uhci_hcd 00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03) (prog-if 20) Subsystem: Lenovo Device 20f1 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 f2827000 (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- Capabilities: [58] Debug port: BAR=1 offset=00a0 Capabilities: [98] PCIe advanced features <?> Kernel driver in use: ehci_hcd 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93) (prog-if 01) 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=0d, subordinate=0d, sec-latency=0 I/O behind bridge: 0000f000-00000fff Memory behind bridge: fff00000-000fffff Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff 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: [50] Subsystem: Lenovo Device 20f4 00:1f.0 ISA bridge: Intel Corporation ICH9M-E LPC Interface Controller (rev 03) Subsystem: Lenovo Device 20f5 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: [e0] Vendor Specific Information <?> Kernel modules: iTCO_wdt 00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03) (prog-if 01) Subsystem: Lenovo Device 20f8 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 26 Region 0: I/O ports at 1c48 [size=8] Region 1: I/O ports at 183c [size=4] Region 2: I/O ports at 1c40 [size=8] Region 3: I/O ports at 1838 [size=4] Region 4: I/O ports at 1c20 [size=32] Region 5: Memory at f2826000 (32-bit, non-prefetchable) [size=2K] Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/4 Enable+ Address: fee0300c Data: 4171 Capabilities: [70] Power Management version 3 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [a8] SATA HBA <?> Capabilities: [b0] PCIe advanced features <?> Kernel driver in use: ahci 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03) Subsystem: Lenovo Device 20f9 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 11 Region 0: Memory at f2827400 (64-bit, non-prefetchable) [size=256] Region 4: I/O ports at 1c60 [size=32] Kernel modules: i2c-i801 03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection Subsystem: Intel Corporation Device 1211 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 28 Region 0: Memory at f2500000 (64-bit, non-prefetchable) [size=8K] Capabilities: [c8] Power Management version 3 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+) Status: D0 PME-Enable- DSel=0 DScale=0 PME- Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+ Address: 00000000fee0300c Data: 41a9 Capabilities: [e0] Express (v1) Endpoint, MSI 00 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 unlimited ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported- RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ FLReset- MaxPayload 128 bytes, MaxReadReq 128 bytes DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend- LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <128ns, L1 <32us ClockPM+ Suprise- LLActRep- BwNot- LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+ ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt- Capabilities: [100] Advanced Error Reporting <?> Capabilities: [140] Device Serial Number 26-94-a9-ff-ff-5d-21-00 Kernel driver in use: iwlagn Kernel modules: iwlagn Powertop reports a high number of wake ups attributed to hrtimer_start_range_ns. This occurs with the 2.6.28-11 kernel through to 2.6.30-020630rc4-generic #020630rc4 #uname -a Linux portland 2.6.30-020630rc4-generic #020630rc4 SMP Fri May 1 09:06:03 UTC 2009 i686 GNU/Linux Not sure if it makes much difference but i'm currently using UXA graphics accel. root@portland:~# lsb_release -rd Description: Ubuntu 9.04 Release: 9.04 root@portland:~# powertop PowerTOP 1.11 (C) 2007, 2008 Intel Corporation Collecting data for 5 seconds Your CPU supports the following C-states : C1 C2 C3 C4 C5 C6 Your BIOS reports the following C-states : C1 C2 C6 root@portland:~# powertop -d PowerTOP 1.11 (C) 2007, 2008 Intel Corporation Collecting data for 15 seconds Your CPU supports the following C-states : C1 C2 C3 C4 C5 C6 Your BIOS reports the following C-states : C1 C2 C6 Cn Avg residency C0 (cpu running) ( 5.5%) polling 0.0ms ( 0.0%) C1 mwait 0.0ms ( 0.0%) C2 mwait 0.2ms ( 0.1%) C6 mwait 8.2ms (94.4%) P-states (frequencies)   2.27 Ghz 3.0%   2.27 Ghz 0.5%   1.60 Ghz 1.3%    800 Mhz 95.2% Wakeups-from-idle per second : 119.1 interval: 15.0s Power usage (ACPI estimate): 10.6W (2.0 hours) Top causes for wakeups:   35.2% ( 66.3) <kernel core> : hrtimer_start_range_ns (tick_sched_timer)   16.1% ( 30.4) <kernel IPI> : Rescheduling interrupts   15.4% ( 29.0) <interrupt> : PS/2 keyboard/mouse/touchpad   10.4% ( 19.7) <interrupt> : iwlagn    8.3% ( 15.7) <interrupt> : extra timer interrupt    3.3% ( 6.2) konqueror : hrtimer_start_range_ns (hrtimer_wakeup)    1.7% ( 3.3) knotify4 : hrtimer_start_range_ns (hrtimer_wakeup)    1.5% ( 2.9) <interrupt> : i915@pci:0000:00:02.0    1.2% ( 2.3) <kernel core> : hrtimer_start (tick_sched_timer)    1.1% ( 2.0) mysqld : hrtimer_start_range_ns (hrtimer_wakeup)    1.0% ( 1.9) plasma : hrtimer_start_range_ns (hrtimer_wakeup)    0.6% ( 1.2) kwin : hrtimer_start_range_ns (hrtimer_wakeup)    0.5% ( 1.0) apache2 : hrtimer_start_range_ns (hrtimer_wakeup)    0.5% ( 1.0) klipper : hrtimer_start_range_ns (hrtimer_wakeup)    0.5% ( 0.9) <interrupt> : ahci    0.4% ( 0.8) Xorg : hrtimer_start (it_real_fn)    0.4% ( 0.7) Xorg : queue_delayed_work (delayed_work_timer_fn)    0.3% ( 0.6) <kernel core> : add_timer (neigh_periodic_timer)    0.2% ( 0.3) NetworkManager : hrtimer_start_range_ns (hrtimer_wakeup)    0.1% ( 0.3) kded4 : hrtimer_start_range_ns (hrtimer_wakeup)    0.1% ( 0.3) pdflush : queue_delayed_work (delayed_work_timer_fn)    0.1% ( 0.2) guidance-power- : hrtimer_start_range_ns (hrtimer_wakeup)    0.1% ( 0.2) krunner : hrtimer_start_range_ns (hrtimer_wakeup)    0.1% ( 0.2) phy0 : ieee80211_authenticate (ieee80211_sta_timer)    0.1% ( 0.1) konsole : hrtimer_start_range_ns (hrtimer_wakeup)    0.1% ( 0.1) Xorg : hrtimer_start_range_ns (hrtimer_wakeup)    0.1% ( 0.1) <kernel core> : inet_twsk_schedule (inet_twdr_hangman)    0.1% ( 0.1) <kernel module> : add_timer (sta_info_cleanup)    0.1% ( 0.1) kio_http : sk_reset_timer (tcp_write_timer)    0.0% ( 0.1) <kernel IPI> : TLB shootdowns    0.0% ( 0.1) pulseaudio : hrtimer_start_range_ns (hrtimer_wakeup)    0.0% ( 0.1) gconfd-2 : hrtimer_start_range_ns (hrtimer_wakeup)    0.0% ( 0.1) <kernel core> : page_writeback_init (wb_timer_fn)    0.0% ( 0.1) <kernel core> : start_rt_bandwidth (sched_rt_period_timer)    0.0% ( 0.1) ssh-agent : hrtimer_start_range_ns (hrtimer_wakeup)    0.0% ( 0.1) irqbalance : hrtimer_start_range_ns (hrtimer_wakeup)    0.0% ( 0.1) <kernel core> : laptop_io_completion (laptop_timer_fn)    0.0% ( 0.1) python : hrtimer_start_range_ns (hrtimer_wakeup)    0.0% ( 0.1) cupsd : ep_poll (process_timeout) Recent USB suspend statistics Active Device name   0.0% USB device usb8 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd)   0.0% USB device usb7 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd)   0.0% USB device usb6 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd)   0.0% USB device usb5 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd)   0.0% USB device usb4 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd)   0.0% USB device usb3 : UHCI Host Controller (Linux 2.6.30-020630rc4-generic uhci_hcd)   0.0% USB device usb2 : EHCI Host Controller (Linux 2.6.30-020630rc4-generic ehci_hcd)   0.0% USB device usb1 : EHCI Host Controller (Linux 2.6.30-020630rc4-generic ehci_hcd) root@portland:~# lspci -vvv 00:00.0 Host bridge: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub (rev 07)         Subsystem: Lenovo Device 20e0         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: [e0] Vendor Specific Information <?>         Kernel driver in use: agpgart-intel         Kernel modules: intel-agp 00:02.0 VGA compatible controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)         Subsystem: Lenovo Device 20e4         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 29         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]         Capabilities: [90] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+                 Address: fee0100c Data: 41b1         Capabilities: [d0] Power Management version 3                 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)                 Status: D0 PME-Enable- DSel=0 DScale=0 PME- 00:02.1 Display controller: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller (rev 07)         Subsystem: Lenovo Device 20e4         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         Region 0: Memory at f2400000 (64-bit, non-prefetchable) [size=1M]         Capabilities: [d0] Power Management version 3                 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot-,D3cold-)                 Status: D0 PME-Enable- DSel=0 DScale=0 PME- 00:03.0 Communication controller: Intel Corporation Mobile 4 Series Chipset MEI Controller (rev 07)         Subsystem: Lenovo Device 20e6         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 f2826800 (64-bit, non-prefetchable) [size=16]         Capabilities: [50] Power Management version 3                 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)                 Status: D0 PME-Enable- DSel=0 DScale=0 PME-         Capabilities: [8c] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-                 Address: 0000000000000000 Data: 0000 00:19.0 Ethernet controller: Intel Corporation 82567LM Gigabit Network Connection (rev 03)         Subsystem: Lenovo Device 20ee         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 27         Region 0: Memory at f2600000 (32-bit, non-prefetchable) [size=128K]         Region 1: Memory at f2625000 (32-bit, non-prefetchable) [size=4K]         Region 2: I/O ports at 1840 [size=32]         Capabilities: [c8] Power Management version 2                 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)                 Status: D0 PME-Enable- DSel=0 DScale=1 PME-         Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+                 Address: 00000000fee0100c Data: 41c1         Capabilities: [e0] PCIe advanced features <?>         Kernel driver in use: e1000e         Kernel modules: e1000e 00:1a.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4 (rev 03)         Subsystem: Lenovo Device 20f0         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 A routed to IRQ 20         Region 4: I/O ports at 1860 [size=32]         Capabilities: [50] PCIe advanced features <?>         Kernel driver in use: uhci_hcd 00:1a.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5 (rev 03)         Subsystem: Lenovo Device 20f0         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 21         Region 4: I/O ports at 1880 [size=32]         Capabilities: [50] PCIe advanced features <?>         Kernel driver in use: uhci_hcd 00:1a.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6 (rev 03)         Subsystem: Lenovo Device 20f0         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 C routed to IRQ 22         Region 4: I/O ports at 18a0 [size=32]         Capabilities: [50] PCIe advanced features <?>         Kernel driver in use: uhci_hcd 00:1a.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2 (rev 03) (prog-if 20)         Subsystem: Lenovo Device 20f1         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 f2826c00 (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-         Capabilities: [58] Debug port: BAR=1 offset=00a0         Capabilities: [98] PCIe advanced features <?>         Kernel driver in use: ehci_hcd 00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 03)         Subsystem: Lenovo Device 20f2         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 f2620000 (64-bit, non-prefetchable) [size=16K]         Capabilities: [50] Power Management version 2                 Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA PME(D0+,D1-,D2-,D3hot+,D3cold+)                 Status: D0 PME-Enable- DSel=0 DScale=0 PME-         Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-                 Address: 0000000000000000 Data: 0000         Capabilities: [70] Express (v1) Root Complex Integrated Endpoint, MSI 00                 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us                         ExtTag- RBE- FLReset+                 DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-                         RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+                         MaxPayload 128 bytes, MaxReadReq 128 bytes                 DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-                 LnkCap: Port #0, Speed unknown, Width x0, ASPM unknown, Latency L0 <64ns, L1 <1us                         ClockPM- Suprise- LLActRep- BwNot-                 LnkCtl: ASPM Disabled; Disabled- Retrain- CommClk-                         ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-                 LnkSta: Speed unknown, Width x0, TrErr- Train- SlotClk- DLActive- BWMgmt- ABWMgmt-         Capabilities: [100] Virtual Channel <?>         Capabilities: [130] Root Complex Link <?>         Kernel driver in use: HDA Intel         Kernel modules: snd-hda-intel 00:1c.0 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1 (rev 03)         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         I/O behind bridge: 0000f000-00000fff         Memory behind bridge: fff00000-000fffff         Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff         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: [40] Express (v1) Root Port (Slot+), MSI 00                 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us                         ExtTag- RBE+ FLReset-                 DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-                         RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-                         MaxPayload 128 bytes, MaxReadReq 128 bytes                 DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-                 LnkCap: Port #1, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <1us, L1 <4us                         ClockPM- Suprise- LLActRep+ BwNot-                 LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- Retrain- CommClk-                         ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-                 LnkSta: Speed 2.5GT/s, Width x0, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-                 SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surpise+                         Slot # 0, PowerLimit 6.500000; Interlock- NoCompl-                 SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet+ CmdCplt+ HPIrq+ LinkChg-                         Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock-                 SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet- Interlock-                         Changed: MRL- PresDet- LinkState-                 RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible-                 RootCap: CRSVisible-                 RootSta: PME ReqID 0000, PMEStatus- PMEPending-         Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+                 Address: fee0300c Data: 4159         Capabilities: [90] Subsystem: Lenovo Device 20f3         Capabilities: [a0] Power Management version 2                 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)                 Status: D0 PME-Enable- DSel=0 DScale=0 PME-         Capabilities: [100] Virtual Channel <?>         Capabilities: [180] Root Complex Link <?>         Kernel driver in use: pcieport-driver         Kernel modules: shpchp 00:1c.1 PCI bridge: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2 (rev 03)         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=03, subordinate=03, sec-latency=0         I/O behind bridge: 0000f000-00000fff         Memory behind bridge: f2500000-f25fffff         Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff         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: [40] Express (v1) Root Port (Slot+), MSI 00                 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <64ns, L1 <1us                         ExtTag- RBE+ FLReset-                 DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-                         RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop-                         MaxPayload 128 bytes, MaxReadReq 128 bytes                 DevSta: CorrErr- UncorrErr- FatalErr- UnsuppReq- AuxPwr+ TransPend-                 LnkCap: Port #2, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <256ns, L1 <4us                         ClockPM- Suprise- LLActRep+ BwNot-                 LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+                         ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-                 LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive+ BWMgmt- ABWMgmt-                 SltCap: AttnBtn- PwrCtrl- MRL- AttnInd- PwrInd- HotPlug+ Surpise+                         Slot # 1, PowerLimit 6.500000; Interlock- NoCompl-                 SltCtl: Enable: AttnBtn- PwrFlt- MRL- PresDet+ CmdCplt+ HPIrq+ LinkChg-                         Control: AttnInd Unknown, PwrInd Unknown, Power- Interlock-                 SltSta: Status: AttnBtn- PowerFlt- MRL- CmdCplt- PresDet+ Interlock-                         Changed: MRL- PresDet- LinkState+                 RootCtl: ErrCorrectable- ErrNon-Fatal- ErrFatal- PMEIntEna- CRSVisible-                 RootCap: CRSVisible-                 RootSta: PME ReqID 0000, PMEStatus- PMEPending-         Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/0 Enable+                 Address: fee0300c Data: 4161         Capabilities: [90] Subsystem: Lenovo Device 20f3         Capabilities: [a0] Power Management version 2                 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)                 Status: D0 PME-Enable- DSel=0 DScale=0 PME-         Capabilities: [100] Virtual Channel <?>         Capabilities: [180] Root Complex Link <?>         Kernel driver in use: pcieport-driver         Kernel modules: shpchp 00:1d.0 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1 (rev 03)         Subsystem: Lenovo Device 20f0         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 A routed to IRQ 16         Region 4: I/O ports at 18c0 [size=32]         Capabilities: [50] PCIe advanced features <?>         Kernel driver in use: uhci_hcd 00:1d.1 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2 (rev 03)         Subsystem: Lenovo Device 20f0         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 17         Region 4: I/O ports at 18e0 [size=32]         Capabilities: [50] PCIe advanced features <?>         Kernel driver in use: uhci_hcd 00:1d.2 USB Controller: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3 (rev 03)         Subsystem: Lenovo Device 20f0         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 C routed to IRQ 18         Region 4: I/O ports at 1c00 [size=32]         Capabilities: [50] PCIe advanced features <?>         Kernel driver in use: uhci_hcd 00:1d.7 USB Controller: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1 (rev 03) (prog-if 20)         Subsystem: Lenovo Device 20f1         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 f2827000 (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-         Capabilities: [58] Debug port: BAR=1 offset=00a0         Capabilities: [98] PCIe advanced features <?>         Kernel driver in use: ehci_hcd 00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 93) (prog-if 01)         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=0d, subordinate=0d, sec-latency=0         I/O behind bridge: 0000f000-00000fff         Memory behind bridge: fff00000-000fffff         Prefetchable memory behind bridge: 00000000fff00000-00000000000fffff         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: [50] Subsystem: Lenovo Device 20f4 00:1f.0 ISA bridge: Intel Corporation ICH9M-E LPC Interface Controller (rev 03)         Subsystem: Lenovo Device 20f5         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: [e0] Vendor Specific Information <?>         Kernel modules: iTCO_wdt 00:1f.2 SATA controller: Intel Corporation ICH9M/M-E SATA AHCI Controller (rev 03) (prog-if 01)         Subsystem: Lenovo Device 20f8         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 26         Region 0: I/O ports at 1c48 [size=8]         Region 1: I/O ports at 183c [size=4]         Region 2: I/O ports at 1c40 [size=8]         Region 3: I/O ports at 1838 [size=4]         Region 4: I/O ports at 1c20 [size=32]         Region 5: Memory at f2826000 (32-bit, non-prefetchable) [size=2K]         Capabilities: [80] Message Signalled Interrupts: Mask- 64bit- Queue=0/4 Enable+                 Address: fee0300c Data: 4171         Capabilities: [70] Power Management version 3                 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA PME(D0-,D1-,D2-,D3hot+,D3cold-)                 Status: D0 PME-Enable- DSel=0 DScale=0 PME-         Capabilities: [a8] SATA HBA <?>         Capabilities: [b0] PCIe advanced features <?>         Kernel driver in use: ahci 00:1f.3 SMBus: Intel Corporation 82801I (ICH9 Family) SMBus Controller (rev 03)         Subsystem: Lenovo Device 20f9         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 11         Region 0: Memory at f2827400 (64-bit, non-prefetchable) [size=256]         Region 4: I/O ports at 1c60 [size=32]         Kernel modules: i2c-i801 03:00.0 Network controller: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection         Subsystem: Intel Corporation Device 1211         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 28         Region 0: Memory at f2500000 (64-bit, non-prefetchable) [size=8K]         Capabilities: [c8] Power Management version 3                 Flags: PMEClk- DSI+ D1- D2- AuxCurrent=0mA PME(D0+,D1-,D2-,D3hot+,D3cold+)                 Status: D0 PME-Enable- DSel=0 DScale=0 PME-         Capabilities: [d0] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable+                 Address: 00000000fee0300c Data: 41a9         Capabilities: [e0] Express (v1) Endpoint, MSI 00                 DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 unlimited                         ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+                 DevCtl: Report errors: Correctable- Non-Fatal- Fatal- Unsupported-                         RlxdOrd+ ExtTag- PhantFunc- AuxPwr- NoSnoop+ FLReset-                         MaxPayload 128 bytes, MaxReadReq 128 bytes                 DevSta: CorrErr+ UncorrErr- FatalErr- UnsuppReq+ AuxPwr+ TransPend-                 LnkCap: Port #0, Speed 2.5GT/s, Width x1, ASPM L0s L1, Latency L0 <128ns, L1 <32us                         ClockPM+ Suprise- LLActRep- BwNot-                 LnkCtl: ASPM L0s L1 Enabled; RCB 64 bytes Disabled- Retrain- CommClk+                         ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt-                 LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-         Capabilities: [100] Advanced Error Reporting <?>         Capabilities: [140] Device Serial Number 26-94-a9-ff-ff-5d-21-00         Kernel driver in use: iwlagn         Kernel modules: iwlagn
2010-01-24 20:10:41 dasdsadsada removed subscriber Retrry
2010-01-29 08:44:46 erikb removed subscriber erikb
2010-02-04 16:01:39 Praetor77 linux (Ubuntu): status New Confirmed
2010-04-05 22:02:21 Till Ulen bug task added linux
2010-04-05 22:24:00 Till Ulen bug task added powertop (Ubuntu)
2010-04-05 22:28:07 Till Ulen powertop (Ubuntu): status New Invalid
2010-05-02 23:34:53 David Schneider removed subscriber David Schneider
2010-05-26 09:50:41 Fortunato Ventre removed subscriber Fortunato Ventre
2010-07-07 16:25:02 Sivabalan bug added subscriber Linfreak
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2010-08-08 14:45:38 Delyan Kratunov removed subscriber Delyan Kratunov
2010-08-17 09:01:14 Jeremy Foshee removed subscriber Ubuntu Kernel Team
2010-08-17 09:01:49 Jeremy Foshee tags kernel-core kernel-needs-review
2010-08-17 09:15:10 Patrik Modesto removed subscriber Patrik Modesto
2010-08-22 07:41:18 micred removed subscriber jac
2010-12-30 04:31:32 KarlGoetz bug watch added http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=592513
2010-12-30 04:31:32 KarlGoetz bug task added linux-2.6 (Debian)
2010-12-30 14:49:13 Alan LaMielle removed subscriber Alan LaMielle
2011-01-10 14:22:27 Bug Watch Updater linux-2.6 (Debian): status Unknown Incomplete
2011-01-11 23:12:34 Samat Jain removed subscriber Samat Jain
2011-01-24 07:26:06 Bug Watch Updater linux: status Unknown Confirmed
2011-02-03 12:54:55 Bug Watch Updater linux: importance Unknown Medium
2011-05-01 08:19:17 Till Ulen removed subscriber Alexander Konovalenko
2011-07-14 15:13:18 Brad Figg linux (Ubuntu): status Confirmed Won't Fix
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2012-05-29 14:15:58 Curtis Hovey removed subscriber Registry Administrators
2012-06-14 16:39:22 Bug Watch Updater linux: status Confirmed Incomplete
2013-07-06 17:27:26 Bug Watch Updater linux-2.6 (Debian): status Incomplete Fix Released