On Wed, Jan 14, 2015 at 12:53 PM, Emmanuel Grumbach <egrumbach@xxxxxxxxx> wrote: > On Wed, Jan 14, 2015 at 10:40 AM, Igor Gnatenko > <i.gnatenko.brain@xxxxxxxxx> wrote: >> On Wed, 2015-01-14 at 11:31 +0300, Igor Gnatenko wrote: >>> Hi, >>> >>> I got report from people that on Intel Centrino N1000 wifi won't >>> work after >>> updating to 3.17.8. I see in that release Fedora maints enabled >>> POWERCAP and >>> INTEL RAPL. We got working wifi only after disabling powersave via >>> `iw dev wlp2s0 set power_save off`. > > What kernel version did you have before? > BTW - for this device, power save is supposed to be disabled by > default, but I need to check 3.17.4 >>> >>> How we can debug this? >>> >>> lspci above. >>> >>> 02:00.0 Network controller [0280]: Intel Corporation Centrino >>> Wireless- N 1000 [Condor Peak] [8086:0084] >>> Subsystem: Intel Corporation Centrino Wireless-N 1000 BGN >>> [8086:1315] >>> 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 d1500000 (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 NoSoftRst- PME-Enable- DSel=0 DScale=0 >>> PME- >>> Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ >>> Address: 00000000fee0800c Data: 4122 >>> 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, >>> Exit Latency L0s <128ns, L1 <32us >>> ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp- >>> LnkCtl: ASPM Disabled; RCB 64 bytes Disabled- >>> CommClk+ >>> ExtSynch- ClockPM+ AutWidDis- BWInt- AutBWInt- >>> LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- >>> SlotClk+ DLActive- BWMgmt- ABWMgmt- >>> Capabilities: [100 v1] Advanced Error Reporting >>> UESta: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- >>> UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- >>> UEMsk: DLP- SDES- TLP- FCP- CmpltTO- CmpltAbrt- >>> UnxCmplt- RxOF- MalfTLP- ECRC- UnsupReq- ACSViol- >>> UESvrt: DLP+ SDES- TLP- FCP+ CmpltTO- CmpltAbrt- >>> UnxCmplt- RxOF+ MalfTLP+ ECRC- UnsupReq- ACSViol- >>> CESta: RxErr- BadTLP- BadDLLP- Rollover- Timeout- >>> NonFatalErr- >>> CEMsk: RxErr- BadTLP- BadDLLP- Rollover- Timeout- >>> NonFatalErr+ >>> AERCap: First Error Pointer: 00, GenCap- CGenEn- >>> ChkCap- ChkEn- >>> Capabilities: [140 v1] Device Serial Number 74-e5-0b-ff-ff- >>> cc- >>> 82-24 >>> Kernel driver in use: iwlwifi >>> Kernel modules: iwlwifi >>> -- >>> -Igor Gnatenko >> CC linux-pm@ >> -- >> -Igor Gnatenko -- -Igor Gnatenko -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html