WLAN connections problems

Hello all,

my WLAN connection interrupted and now I am not able to reconnect again.
My notebook (manjaro, NetworkManager) and my android phone aren't able to connect to the WLAN.
My house mates don't have a problem, but they use apple devices.
I switched from kernel 4.13.5 to 4.9.53(recommended, lts), but the problem is the same.
The notebook is able to connect to an access point from my smartphone.
I restarted the router.

Information regarding the WLAN:
This WLAN from my residential home looks like to have a proxy because I am not able to send emails via smtp port 587. Therefore I use a VPN (tcp) to send emails.


I took a look at journalctl and found this:

Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: Queue 10 is active on fifo 1 and stuck for 10000 ms. SW [19, 110] HW [19, 110] FH TRB=0x0c010a022
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: Microcode SW error detected.  Restarting 0x2000000.
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: Start IWL Error Log Dump:
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: Status: 0x00000200, count: 6
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: Loaded firmware version: 31.532993.0
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000084 | NMI_INTERRUPT_UNKNOWN       
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x000002B3 | trm_hw_status0
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | trm_hw_status1
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00010040 | branchlink2
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00028DA6 | interruptlink1
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00010F16 | interruptlink2
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | data1
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000080 | data2
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x07830000 | data3
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0xAEC12E3E | beacon time
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x55F821C1 | tsf low
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000001 | tsf hi
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | time gp1
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x54C3E4C2 | time gp2
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000001 | uCode revision type
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x0000001F | uCode version major
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00082201 | uCode version minor
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000201 | hw version
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00C89008 | board version
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x0063019C | hcmd
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x27F22002 | isr0
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x01800000 | isr1
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x0800180A | isr2
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00400080 | isr3
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | isr4
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x0063019C | last cmd Id
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | wait_event
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00004A88 | l2p_control
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00011C20 | l2p_duration
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x000003BF | l2p_mhvalid
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000026 | l2p_addr_match
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x0000000D | lmpm_pmg_sel
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x15062149 | timestamp
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x003498A8 | flow_handler
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | ADVANCED_SYSASSERT
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | umac branchlink1
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | umac branchlink2
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | umac interruptlink1
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | umac interruptlink2
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | umac data1
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | umac data2
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | umac data3
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | umac major
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | umac minor
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | frame pointer
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | stack pointer
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | last host cmd
Okt 15 15:12:57 lenovo kernel: iwlwifi 0000:04:00.0: 0x00000000 | isr status reg
Okt 15 15:12:57 lenovo kernel: ieee80211 phy0: Hardware restart was requested
Okt 15 15:12:57 lenovo kernel: pipe A vblank wait timed out
Okt 15 15:12:57 lenovo kernel: ------------[ cut here ]------------
Okt 15 15:12:57 lenovo kernel: WARNING: CPU: 3 PID: 3461 at drivers/gpu/drm/i915/intel_display.c:12844 intel_atomic_commit_tail+0xf6f/0xf80 [i915]
Okt 15 15:12:57 lenovo kernel: Modules linked in: rfcomm ctr ccm fuse bnep uvcvideo btusb videobuf2_vmalloc btrtl videobuf2_memops videobuf2_v4l2 btbcm btintel videobuf2_core bluetooth videodev ecdh_generic media hid_generic joydev mousedev snd_hda_codec_hdmi snd_soc_skl snd_soc_skl_ipc snd_soc_sst_ipc snd_soc_sst_dsp snd_hda_ext_core snd_soc_sst_match snd_hda_codec_realtek snd_hda_codec_generic snd_soc_core snd_compress snd_pcm_dmaengine ac97_bus arc4 intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel kvm sch_fq_codel irqbypass crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel pcbc iTCO_wdt iTCO_vendor_support iwlmvm mac80211 wmi_bmof nls_iso8859_1 nls_cp437 iwlwifi uinput vfat fat aesni_intel aes_x86_64 cfg80211 snd_hda_intel crypto_simd snd_hda_codec glue_helper cryptd snd_hda_core
Okt 15 15:12:57 lenovo kernel:  rtsx_pci_ms snd_hwdep intel_cstate evdev memstick e1000e snd_pcm psmouse input_leds intel_rapl_perf mac_hid snd_timer i915 ptp shpchp i2c_i801 pps_core thinkpad_acpi nvram snd pci_stub soundcore mei_me tpm_tis tpm_tis_core vboxpci(O) rfkill vboxnetflt(O) mei tpm intel_gtt intel_pch_thermal wmi thermal led_class vboxnetadp(O) ac battery i2c_algo_bit button video vboxdrv(O) ttm drm_kms_helper drm syscopyarea sysfillrect sysimgblt fb_sys_fops acpi_call(O) crypto_user ip_tables x_tables ext4 crc16 mbcache jbd2 fscrypto usbhid hid sd_mod rtsx_pci_sdmmc mmc_core serio_raw atkbd libps2 ahci libahci xhci_pci libata xhci_hcd rtsx_pci scsi_mod usbcore usb_common i8042 serio
Okt 15 15:12:57 lenovo kernel: CPU: 3 PID: 3461 Comm: kworker/u8:3 Tainted: G           O    4.13.5-1-MANJARO #1
Okt 15 15:12:57 lenovo kernel: Hardware name: LENOVO 20FMS03600/20FMS03600, BIOS R06ET39W (1.13 ) 07/11/2016
Okt 15 15:12:57 lenovo kernel: Workqueue: events_unbound intel_atomic_commit_work [i915]
Okt 15 15:12:57 lenovo kernel: task: ffff946d46e98000 task.stack: ffffb1d58234c000
Okt 15 15:12:57 lenovo kernel: RIP: 0010:intel_atomic_commit_tail+0xf6f/0xf80 [i915]
Okt 15 15:12:57 lenovo kernel: RSP: 0018:ffffb1d58234fd88 EFLAGS: 00010282
Okt 15 15:12:57 lenovo kernel: RAX: 000000000000001c RBX: 0000000000000000 RCX: 0000000000000000
Okt 15 15:12:57 lenovo kernel: RDX: 0000000000000000 RSI: ffff946d8258dc78 RDI: ffff946d8258dc78
Okt 15 15:12:57 lenovo kernel: RBP: ffffb1d58234fe40 R08: 0000000000000368 R09: 0000000000000004
Okt 15 15:12:57 lenovo kernel: R10: ffffb1d58234fd88 R11: 0000000000000001 R12: 00000000000b1a81
Okt 15 15:12:57 lenovo kernel: R13: ffff946d66600000 R14: ffff946d6dd8b000 R15: 0000000000000001
Okt 15 15:12:57 lenovo kernel: FS:  0000000000000000(0000) GS:ffff946d82580000(0000) knlGS:0000000000000000
Okt 15 15:12:57 lenovo kernel: CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Okt 15 15:12:57 lenovo kernel: CR2: 00007f7aadf97ffc CR3: 000000008dc09000 CR4: 00000000003406e0
Okt 15 15:12:57 lenovo kernel: Call Trace:
Okt 15 15:12:57 lenovo kernel:  ? wait_woken+0x80/0x80
Okt 15 15:12:57 lenovo kernel:  intel_atomic_commit_work+0x12/0x20 [i915]
Okt 15 15:12:57 lenovo kernel:  process_one_work+0x1de/0x430
Okt 15 15:12:57 lenovo kernel:  worker_thread+0x47/0x3f0
Okt 15 15:12:57 lenovo kernel:  kthread+0x125/0x140
Okt 15 15:12:57 lenovo kernel:  ? process_one_work+0x430/0x430
Okt 15 15:12:57 lenovo kernel:  ? kthread_create_on_node+0x70/0x70
Okt 15 15:12:57 lenovo kernel:  ret_from_fork+0x25/0x30
Okt 15 15:12:57 lenovo kernel: Code: ff ff ff 48 83 c7 08 e8 d0 a4 9d e6 4c 8b 85 70 ff ff ff 4d 85 c0 0f 85 7b fa ff ff 8d 73 41 48 c7 c7 b8 5c 7b c0 e8 32 5b 9f e6 <0f> ff e9 65 fa ff ff 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 
Okt 15 15:12:57 lenovo kernel: ---[ end trace 4f3853583525a5b1 ]---

Most of the messages are red. I don't know if this are a reason for the problems.

During the connection process with the WLAN occurs always a timeout and sometimes this red message:

Okt 15 17:09:27 lenovo avahi-daemon[559]: Interface wlp4s0.IPv6 no longer relevant for mDNS.
Okt 15 17:09:27 lenovo kernel: wlp4s0: failed to remove key (1, ff:ff:ff:ff:ff:ff) from hardware (-22)
Okt 15 17:09:27 lenovo NetworkManager[569]: <info>  [1508080167.1629] device (wlp4s0): set-hw-addr: set MAC address to 3E:23:79:DD:C9:7E (scanning)

Probably I am the problem or something else.
It is only this WLAN which cause such problems.

greetings
nieee

If multiple devices and OS's cannot connect and this is the only network where you have problems then it is most likely a network issue.
The only other idea I have is to 'forget' or remove the connection from Network Manager and then reconnect again creating a fresh profile. If that doesnt work, check your router.

I removed and added the wlan multiple times, but it didn't help.

It looks like the 'router' is an access point.

Do you have access to the router/ap? Then you could check if there is a setting which prevents you from connecting. And as your mates seem to have no issues, maybe one of them has locked you out? :wink:

could you check with downgrade iwlwifi ?

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