On 08/30/18 at 07:15am, Luca Coelho wrote: > On Wed, 2018-08-29 at 14:54 +0800, Dave Young wrote: > > Hi, > > Hi Dave, > > > > Not sure if this is a known issue, I'm seeing this with latest mainline > > kernel on Fedora rawhide. > > > > The wireless networking is not stable, I can not access network any more after > > downloading some big files or just browsing some web pages about some > > time. I do not see this when I work in office. So this maybe relate to > > wireless router. > > > > "Can not access network" means ping timeout, can not open web pages etc. > > But the wireless connection looks normal at least from the > > NetworkManager icon it is still connected. > > > > The router I used at home is an old ASUS WL520gc. I can confirm I can > > reproduce this with another ASUA router WL-500gP v2 > > > > My laptop model is Thinkpad T480s. It is painful I can only use > > wireless, any hints how to make it work will be appreciated! > > > > lspci: > > 3d:00.0 Network controller: Intel Corporation Wireless 8265 / 8275 (rev 78) > > Subsystem: Intel Corporation Dual Band Wireless-AC 8265 > > Flags: bus master, fast devsel, latency 0, IRQ 136 > > Memory at dc100000 (64-bit, non-prefetchable) [size=8K] > > Capabilities: [c8] Power Management version 3 > > Capabilities: [d0] MSI: Enable+ Count=1/1 Maskable- 64bit+ > > Capabilities: [40] Express Endpoint, MSI 00 > > Capabilities: [100] Advanced Error Reporting > > Capabilities: [140] Device Serial Number b4-6b-fc-ff-ff-a3-80-d6 > > Capabilities: [14c] Latency Tolerance Reporting > > Capabilities: [154] L1 PM Substates > > Kernel driver in use: iwlwifi > > Kernel modules: iwlwifi > > > > Part of dmesg: > > > > [ 7.892039] Intel(R) Wireless WiFi driver for Linux > > [ 7.892041] Copyright(c) 2003- 2015 Intel Corporation > > [ 7.892168] iwlwifi 0000:3d:00.0: enabling device (0000 -> 0002) > > [ 7.898375] uvcvideo 1-8:1.0: Entity type for entity Extension 4 was not initialized! > > [ 7.899760] uvcvideo 1-8:1.0: Entity type for entity Extension 3 was not initialized! > > [ 7.901297] uvcvideo 1-8:1.0: Entity type for entity Processing 2 was not initialized! > > [ 7.902594] uvcvideo 1-8:1.0: Entity type for entity Camera 1 was not initialized! > > [ 7.904136] input: Integrated Camera: Integrated C as /devices/pci0000:00/0000:00:14.0/usb1/1-8/1-8:1.0/input/input11 > > [ 7.906563] usbcore: registered new interface driver uvcvideo > > [ 7.906565] USB Video Class driver (1.1.1) > > [ 7.914162] iwlwifi 0000:3d:00.0: loaded firmware version 36.e91976c0.0 op_mode iwlmvm > > [ 8.080368] iwlwifi 0000:3d:00.0: Detected Intel(R) Dual Band Wireless AC 8265, REV=0x230 > > [ 8.149556] iwlwifi 0000:3d:00.0: base HW address: b4:6b:fc:a3:80:d6 > > [ 8.151643] RAPL PMU: API unit is 2^-32 Joules, 5 fixed counters, 655360 ms ovfl timer > > [ 8.151646] RAPL PMU: hw unit of domain pp0-core 2^-14 Joules > > [ 8.151648] RAPL PMU: hw unit of domain package 2^-14 Joules > > [ 8.151650] RAPL PMU: hw unit of domain dram 2^-14 Joules > > [ 8.151651] RAPL PMU: hw unit of domain pp1-gpu 2^-14 Joules > > [ 8.151653] RAPL PMU: hw unit of domain psys 2^-14 Joules > > [ 8.242895] ieee80211 phy0: Selected rate control algorithm 'iwl-mvm-rs' > > [ 8.244972] thermal thermal_zone5: failed to read out thermal zone (-61) > > [ 8.266903] iwlwifi 0000:3d:00.0 wlp61s0: renamed from wlan0 > > [ 8.376663] psmouse serio1: elantech: assuming hardware version 4 (with firmware version 0x7f3001) > > [ 8.388476] psmouse serio1: elantech: Synaptics capabilities query result 0x90, 0x18, 0x0f. > > [ 8.404955] psmouse serio1: elantech: Elan sample query result 00, 20, c9 > > [ 8.405711] intel_rapl: Found RAPL domain package > > [ 8.405729] intel_rapl: Found RAPL domain core > > [ 8.405732] intel_rapl: Found RAPL domain uncore > > [ 8.405734] intel_rapl: Found RAPL domain dram > > [ 8.417931] psmouse serio1: elantech: Trying to set up SMBus access > > [ 8.427666] elan_i2c 6-0015: 6-0015 supply vcc not found, using dummy regulator > > [ 8.428913] elan_i2c 6-0015: Linked as a consumer to regulator.0 > > [ 8.442870] elan_i2c 6-0015: Elan Touchpad: Module ID: 0x0020, Firmware: 0x0001, Sample: 0x0000, IAP: 0x0000 > > [ 8.443236] input: Elan Touchpad as /devices/pci0000:00/0000:00:1f.4/i2c-6/6-0015/input/input19 > > [ 8.443961] input: Elan TrackPoint as /devices/pci0000:00/0000:00:1f.4/i2c-6/6-0015/input/input20 > > [ 8.483396] systemd-udevd (584) used greatest stack depth: 11320 bytes left > > [ 8.534134] EXT4-fs (nvme0n1p4): mounted filesystem with ordered data mode. Opts: (null) > > [ 8.540006] EXT4-fs (nvme0n1p11): mounted filesystem with ordered data mode. Opts: (null) > > [ 8.544692] EXT4-fs (nvme0n1p3): mounted filesystem with ordered data mode. Opts: (null) > > [ 8.556466] EXT4-fs (nvme0n1p5): mounted filesystem with ordered data mode. Opts: (null) > > [ 8.565545] EXT4-fs (nvme0n1p8): mounted filesystem with ordered data mode. Opts: (null) > > [ 8.598930] EXT4-fs (nvme0n1p7): mounted filesystem with ordered data mode. Opts: (null) > > [ 8.620810] usb 1-7: USB disconnect, device number 2 > > [ 8.643967] systemd-journald[522]: Received request to flush runtime journal from PID 1 > > [ 8.786474] RPC: Registered named UNIX socket transport module. > > [ 8.786481] RPC: Registered udp transport module. > > [ 8.786482] RPC: Registered tcp transport module. > > [ 8.786483] RPC: Registered tcp NFSv4.1 backchannel transport module. > > [ 9.033765] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 > > [ 9.033767] Bluetooth: BNEP filters: protocol multicast > > [ 9.033774] Bluetooth: BNEP socket layer initialized > > [ 9.295788] IPv6: ADDRCONF(NETDEV_UP): enp0s31f6: link is not ready > > [ 9.532690] IPv6: ADDRCONF(NETDEV_UP): enp0s31f6: link is not ready > > [ 9.540906] IPv6: ADDRCONF(NETDEV_UP): wlp61s0: link is not ready > > [ 9.760641] IPv6: ADDRCONF(NETDEV_UP): wlp61s0: link is not ready > > [ 10.006921] IPv6: ADDRCONF(NETDEV_UP): wlp61s0: link is not ready > > [ 10.036910] IPv6: ADDRCONF(NETDEV_UP): enp0s31f6: link is not ready > > [ 10.131377] IPv6: ADDRCONF(NETDEV_UP): wlp61s0: link is not ready > > [ 10.670126] Bluetooth: hci0: command 0xfc09 tx timeout > > [ 18.796221] Bluetooth: hci0: Failed to send firmware data (-110) > > [ 71.273464] fuse init (API version 7.27) > > [ 73.269439] IPv6: ADDRCONF(NETDEV_UP): wlp61s0: link is not ready > > [ 74.123114] wlp61s0: authenticate with 00:1f:c6:82:0a:57 > > [ 74.126099] wlp61s0: send auth to 00:1f:c6:82:0a:57 (try 1/3) > > [ 74.139740] wlp61s0: authenticated > > [ 74.140142] iwlwifi 0000:3d:00.0 wlp61s0: disabling HE/HT/VHT due to WEP/TKIP use > > [ 74.140146] iwlwifi 0000:3d:00.0 wlp61s0: disabling HT as WMM/QoS is not supported by the AP > > [ 74.140149] iwlwifi 0000:3d:00.0 wlp61s0: disabling VHT as WMM/QoS is not supported by the AP > > Your AP seems to be configured to use WEP or TKIP, which is not allowed > by IEEE802.11n, so we disable all the higher rates, as you can see > here. It should still work, but you will only get very basic rates > (i.e. slow). Luka, thanks for the suggestion, moved AP to use WPA2-personal + AES. seems I got only two features disabled this time: [ 20.949347] iwlwifi 0000:3d:00.0 wlp61s0: disabling HT as WMM/QoS is not supported by the AP [ 20.949351] iwlwifi 0000:3d:00.0 wlp61s0: disabling VHT as WMM/QoS is not supported by the AP [ 20.949622] wlp61s0: associate with 00:1f:c6:82:0a:57 (try 1/3) > > > > [ 74.141838] wlp61s0: associate with 00:1f:c6:82:0a:57 (try 1/3) > > [ 74.149298] wlp61s0: RX AssocResp from 00:1f:c6:82:0a:57 (capab=0x411 status=0 aid=3) > > [ 74.160220] wlp61s0: associated > > [ 74.201707] IPv6: ADDRCONF(NETDEV_CHANGE): wlp61s0: link becomes ready > > [ 79.350950] usb 1-2: new low-speed USB device number 4 using xhci_hcd > > [ 79.482476] usb 1-2: New USB device found, idVendor=17ef, idProduct=6016, bcdDevice= 0.00 > > [ 79.482485] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 > > [ 79.482491] usb 1-2: Product: ThinkPad USB Laser Mouse > > [ 79.482496] usb 1-2: Manufacturer: Lenovo > > [ 79.488601] input: Lenovo ThinkPad USB Laser Mouse as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/0003:17EF:6016.0001/input/input21 > > [ 79.490030] hid-generic 0003:17EF:6016.0001: input,hidraw0: USB HID v1.11 Mouse [Lenovo ThinkPad USB Laser Mouse] on usb-0000:00:14.0-2/input0 > > [ 87.228112] tun: Universal TUN/TAP device driver, 1.6 > > [ 1870.764779] e1000e: enp0s31f6 NIC Link is Up 10 Mbps Full Duplex, Flow Control: Rx/Tx > > [ 1870.764903] e1000e 0000:00:1f.6 enp0s31f6: 10/100 speed: disabling TSO > > [ 1870.765098] IPv6: ADDRCONF(NETDEV_CHANGE): enp0s31f6: link becomes ready > > [ 2521.068469] wlp61s0: deauthenticating from 00:1f:c6:82:0a:57 by local choice (Reason: 3=DEAUTH_LEAVING) > > Other than that I can't really see what is going on, except that > something is deciding to disconnect here... > > So, first thing I'd suggest would be to try to reconfigure your AP to > use something else than WEP or TKIP, just to see if it improves in any > way. Will observe if it works or not. BTW, my old laptop Thinkpad T440s works well with the same AP. > > And BTW, is this a regression in recent kernels or has this always > happened to you with this laptop/AP combination? >From my observation it just always happen, but hmm not 100% sure.. > > -- > Cheers, > Luca. > Thanks Dave
