power consumption issues :)

[Arjan van de Ven]

Kelly Anderson wrote:
> 
> I've attached lspci.good where wakeups are about 50/sec and lspci.bad 
> where wakeups are about 2400.  I've also attached my kernel config just 
> in case that's useful.
> 


> 
> 00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02) (prog-if 20 [EHCI])
> 	Subsystem: Toshiba America Info Systems Unknown device ff00
> 	Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr- Stepping- SERR- FastB2B-
> 	Status: Cap+ 66MHz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort- <MAbort- >SERR- <PERR-
> 	Latency: 0
> 	Interrupt: pin A routed to IRQ 19
> 	Region 0: Memory at d8444000 (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-

ok interesting; there are 2 differences in the 2 files, the most 
important one being the PME- -> PME+ change. I wonder if Linux isn't 
doing something it should be doing; I'll investigate this more 
tomorrow when it's a more reasonable hour..