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Thread: Wifi erratic - help needed

  1. #1

    Default Wifi erratic - help needed

    Hi folks,

    I'm a novice when it comes to networking software.

    I have had a persistent problem for a few weeks whereby 80% of the time my wifi speeds are abysmal. The slow speeds do not exist for ethernet connection.

    With Ethernet:

    Code:
    # speedtest-cli
    Retrieving speedtest.net configuration...                                                                                                                                                                                                    
    Retrieving speedtest.net server list...                                                                                                                                                                                                      
    Testing from iiNet Limited (203.206.142.133)...                                                                                                                                                                                              
    Selecting best server based on ping...                                                                                                                                                                                                       
    Hosted by 'Yes' Optus (Melbourne) [5.31 km]: 36.001 ms                                                                                                                                                                                       
    Testing download speed........................................                                                                                                                                                                               
    Download: 17.16 Mbit/s                                                                                                                                                                                                                       
    Testing upload speed..................................................                                                                                                                                                                       
    Upload: 1.23 Mbit/s
    With Wifi (immediately following the above estimate)

    Code:
    # speedtest-cli
    Retrieving speedtest.net configuration...                                                                                                                                                                                                    
    Retrieving speedtest.net server list...                                                                                                                                                                                                      
    Testing from iiNet Limited (203.206.142.133)...                                                                                                                                                                                              
    Selecting best server based on ping...                                                                                                                                                                                                       
    Hosted by Internode (Canberra) [465.48 km]: 14.305 ms                                                                                                                                                                                        
    Testing download speed........................................                                                                                                                                                                               
    Download: 1.26 Mbit/s                                                                                                                                                                                                                        
    Testing upload speed..................................................                                                                                                                                                                       
    Upload: 0.01 Mbit/s
    The tool iftop doesn't report any major competing traffic to explain the slow speeds.

    Yesterday i booted the original openSUSE 13.1 live image to see if it was a software problem. Immediately the speeds went back to normal. When i booted into my TW hard drive install the speeds remained high. This morning i booted up and now they are back to being glacial.

    Any guidance, tests, known problems etc, will be appreciated.

    Code:
    09:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 1030 [Rainbow Peak] [8086:008a] (rev 34)
            Subsystem: Intel Corporation Centrino Wireless-N 1030 BGN [8086:5325]
            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 52
            Region 0: Memory at f7a00000 (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: 00000000fee0f00c  Data: 4192
            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 <4us, L1 <32us
                            ClockPM+ Surprise- LLActRep- BwNot-
                    LnkCtl: ASPM Disabled; 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 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 ac-72-89-ff-ff-36-1a-a0
            Kernel driver in use: iwlwifi
            Kernel modules: iwlwifi

  2. #2

    Default Re: Wifi erratic - help needed

    If you are on Tumbeweed, try running an older kernel if you have one. If you upgraded and did not remove it, you should still have the original 13.1 kernel.



    Quote Originally Posted by trenthawkins View Post
    Hi folks,

    I'm a novice when it comes to networking software.

    I have had a persistent problem for a few weeks whereby 80% of the time my wifi speeds are abysmal. The slow speeds do not exist for ethernet connection.

    With Ethernet:

    Code:
    # speedtest-cli
    Retrieving speedtest.net configuration...                                                                                                                                                                                                    
    Retrieving speedtest.net server list...                                                                                                                                                                                                      
    Testing from iiNet Limited (203.206.142.133)...                                                                                                                                                                                              
    Selecting best server based on ping...                                                                                                                                                                                                       
    Hosted by 'Yes' Optus (Melbourne) [5.31 km]: 36.001 ms                                                                                                                                                                                       
    Testing download speed........................................                                                                                                                                                                               
    Download: 17.16 Mbit/s                                                                                                                                                                                                                       
    Testing upload speed..................................................                                                                                                                                                                       
    Upload: 1.23 Mbit/s
    With Wifi (immediately following the above estimate)

    Code:
    # speedtest-cli
    Retrieving speedtest.net configuration...                                                                                                                                                                                                    
    Retrieving speedtest.net server list...                                                                                                                                                                                                      
    Testing from iiNet Limited (203.206.142.133)...                                                                                                                                                                                              
    Selecting best server based on ping...                                                                                                                                                                                                       
    Hosted by Internode (Canberra) [465.48 km]: 14.305 ms                                                                                                                                                                                        
    Testing download speed........................................                                                                                                                                                                               
    Download: 1.26 Mbit/s                                                                                                                                                                                                                        
    Testing upload speed..................................................                                                                                                                                                                       
    Upload: 0.01 Mbit/s
    The tool iftop doesn't report any major competing traffic to explain the slow speeds.

    Yesterday i booted the original openSUSE 13.1 live image to see if it was a software problem. Immediately the speeds went back to normal. When i booted into my TW hard drive install the speeds remained high. This morning i booted up and now they are back to being glacial.

    Any guidance, tests, known problems etc, will be appreciated.

    Code:
    09:00.0 Network controller [0280]: Intel Corporation Centrino Wireless-N 1030 [Rainbow Peak] [8086:008a] (rev 34)
            Subsystem: Intel Corporation Centrino Wireless-N 1030 BGN [8086:5325]
            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 52
            Region 0: Memory at f7a00000 (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: 00000000fee0f00c  Data: 4192
            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 <4us, L1 <32us
                            ClockPM+ Surprise- LLActRep- BwNot-
                    LnkCtl: ASPM Disabled; 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 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 ac-72-89-ff-ff-36-1a-a0
            Kernel driver in use: iwlwifi
            Kernel modules: iwlwifi

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