>>>> 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 $ git log --oneline v3.17.4..v3.17.8 -- drivers/net/wireless/iwlwifi/ fb14996 iwlwifi: mvm: check TLV flag before trying to use hotspot firmware commands 4e709ff iwlwifi: mvm: ROC - bug fixes around time events and locking 85ebf94 iwlwifi: pcie: fix prph dump length none of these are related to the device your are reporting about. >>>> >>>> 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
