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iwlwifi and the POS Intel 2230 [solved]
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RayDude
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PostPosted: Mon Aug 20, 2018 3:25 pm    Post subject: iwlwifi and the POS Intel 2230 [solved] Reply with quote

Update: It is working. I was confused about how the KDE wifi password works. I had to set the password to be stored for all users with no encryption for it to connect automatically.

For those who come here. The router must be able to do 20 MHz bandwidth and you must ensure there is no TKIP option for the required wpa2 password.



I have an old tablet style PC with intel centrino wifi that is really being a PITA.

Here's lspci:

Code:
02:00.0 Network controller: Intel Corporation Centrino Wireless-N 2230 (rev c4)
        Subsystem: Intel Corporation Centrino Wireless-N 2230 BGN
        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: 32 bytes
        Interrupt: pin A routed to IRQ 28
        Region 0: Memory at f7c00000 (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: 00000000fee04004  Data: 4023
        Capabilities: [e0] Express (v1) Endpoint, MSI 00
                DevCap: MaxPayload 128 bytes, PhantFunc 0, Latency L0s <512ns, L1 unlimited
                        ExtTag- AttnBtn- AttnInd- PwrInd- RBE+ FLReset+ SlotPowerLimit 0.000W
                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 <4us, L1 <32us
                        ClockPM+ Surprise- LLActRep- BwNot- ASPMOptComp-
                LnkCtl: ASPM L1 Enabled; RCB 64 bytes Disabled- CommClk+
                        ExtSynch- ClockPM- AutWidDis- BWInt- AutBWInt-
                LnkSta: Speed 2.5GT/s, Width x1, TrErr- Train- SlotClk+ DLActive- BWMgmt- ABWMgmt-
        Kernel driver in use: iwlwifi
        Kernel modules: iwlwifi


This thing connects to the internet just fine as long as I connect the ethernet cable first. But it won't authorize when it's clean booted...

I have found many many threads dating back almost a decade about intel chipset and specifically this not quite an N receiver but none of the options offered have helped me.

I have tried many options in my router config. No help.

I have gotten the REG entry to be set correctly.

my iwlwifi.conf file looks like this:

Code:
options cfg80211 ieee80211_regdom=US
options iwlmvm power_scheme=1
options iwlwifi bt_coex_active=N swcrypto=1 11n_disable=8


I also tried 11n_disable=1

Making changes to /etc/default/crda did not make a difference for the REG entry.

Like I said, when it connects, it works fine. 48-59 mbit all the way, but it won't connect unless I connect the ethernet cable which kinda defeats the purpose of wifi, right?

I'm hoping one of you guys has this chip set and can tell me what to do. It does seem to work reliably on other distros so I know there's some voodoo that will cause it to work, I just haven't found it yet.

(ethernet is not an option because I don't want to climb around in the crawlspace...)


When it connects, this is what the output of iwconfig looks like:
Code:
wlp2s0    IEEE 802.11  ESSID:"jaymaa_net" 
          Mode:Managed  Frequency:2.452 GHz  Access Point: [redacted] 
          Bit Rate=58.5 Mb/s   Tx-Power=16 dBm   
          Retry short limit:7   RTS thr:off   Fragment thr:off
          Encryption key:off
          Power Management:off
          Link Quality=65/70  Signal level=-45 dBm 
          Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
          Tx excessive retries:0  Invalid misc:25   Missed beacon:0


dmesg is not very helpful when it can't connect, this is the only message that seems relevant:

Code:
[    6.332934] IPv6: ADDRCONF(NETDEV_UP): enp1s0: link is not ready
[    6.463112] r8169 0000:01:00.0 enp1s0: No native access to PCI extended config space, falling back to CSI
[    6.464562] r8169 0000:01:00.0 enp1s0: link down
[    6.464651] IPv6: ADDRCONF(NETDEV_UP): enp1s0: link is not ready
[    6.471869] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
[    6.484919] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[    6.762635] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[    6.819399] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
[    6.847898] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[    7.126612] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[    7.183786] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
[    7.238610] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
[    8.598911] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[    8.866395] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[    8.919804] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
[    8.924405] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
[    8.950872] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[    9.217855] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[    9.271396] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready
[   17.055890] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[   17.325885] iwlwifi 0000:02:00.0: Radio type=0x2-0x0-0x0
[   17.379030] IPv6: ADDRCONF(NETDEV_UP): wlp2s0: link is not ready


It does that over and over again while showing a spinning circle on NetworkManager's KDE interface.

Halp?
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Last edited by RayDude on Tue Aug 21, 2018 3:12 am; edited 1 time in total
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NeddySeagoon
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PostPosted: Mon Aug 20, 2018 3:47 pm    Post subject: Reply with quote

RayDude,

Lets start with clean total dmesg outputs of when it works and when it doesn't.
I'm not sure what I'm looking for yet but I'll know it when I see it.

I'm not a big fan of GUIs for WiFi control, any of them, until wifi works manually.
Are you sure you have exactly one thing trying to control your WiFi.
Several things will fight over it and it won't work.

The bits of dmesg you didn't show us might help there.
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RayDude
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PostPosted: Tue Aug 21, 2018 3:04 am    Post subject: Reply with quote

Thanks Neddy.

Apparently I had gotten it to work at some point, but I didn't know it because the wifi password was stored under lock and key and I needed to put in the user password to get the wifi password for KDE to sign in.

Once I entered the user password, wifi connected...

Apparently one of the changes I made above worked...

Sorry to bother you.

I have another problem I'm going to hunt now... I'll probably post in the desktops group for help on that one...
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