Koneksi wifi saya sangat tidak stabil setelah pembaruan 17.10 (dari 17.04). Saya sering mengalami pemutusan (setiap 10 ~ 15 menit) koneksi ulang sederhana ke SSID memecahkan masalah.
Model kartu adalah:
sudo lshw -class network
*-network
description: Wireless interface
product: QCA6174 802.11ac Wireless Network Adapter
vendor: Qualcomm Atheros
physical id: 0
bus info: pci@0000:3a:00.0
logical name: wlp58s0
version: 32
serial: ****
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=ath10k_pci driverversion=4.13.0-16-generic firmware=WLAN.RM.4.4-00022-QCARMSWPZ-2 ip=192.168.1.49 latency=0 link=yes multicast=yes wireless=IEEE 802.11
resources: irq:286 memory:dc000000-dc1fffff
Komputer ini adalah Dell XPS 13 '9360.
Wifi bekerja dengan baik pada 17,04 (sinyal tidak bagus tapi tidak ada koneksi).
Diagnostik:
########## info nirkabel MULAI ########## Laporan dari: 22 Okt 2017 12:10 CEST +0200 Di-boot terakhir: 22 Okt 2017 00:00 CEST +0200 Naskah dari: 25 Mar 2017 07:04 UTC +0000 ##### rilis ########################## ID Distributor: Ubuntu Deskripsi: Ubuntu 17.10 Rilis: 17.10 Nama kode: berseni ##### kernel ############################ Linux 4.13.0-16-generik # 19-Ubuntu SMP Rabu 11 Oktober 18:35:14 UTC 2017 x86_64 x86_64 x86_64 GNU / Linux Parameter: ro, sunyi, splash, video.use_native_backlight = 1, vt.handoff = 7 ##### Desktop ########################### i3 ##### lspci ############################ 3a: 00.0 Pengontrol jaringan [0280]: Qualcomm Atheros QCA6174 802.11ac Adapter Jaringan Nirkabel [168c: 003e] (rev 32) Subsistem: Bigfoot Networks, Inc. QCA6174 802.11ac Wireless Network Adapter [1a56: 1535] Driver kernel yang digunakan: ath10k_pci ##### lsusb ############################ Bus 002 Perangkat 001: ID 1d6b: 0003 Linux Foundation 3.0 root hub Bus 001 Perangkat 004: ID 0c45: 670c Microdia Bus 001 Perangkat 003: ID 04f3: 20d0 Elan Microelectronics Corp. Perangkat Bus 001 002: ID 0cf3: e300 Atheros Communications, Inc. Perangkat Bus 001 001: ID 1d6b: 0002 Linux root 2.0 hub root ##### Info kartu PCMCIA ################## ##### rfkill ########################### 1: phy0: LAN Nirkabel Diblokir dengan lembut: tidak Sulit diblokir: tidak 2: hci0: Bluetooth Diblokir dengan lembut: tidak Sulit diblokir: tidak ##### lsmod ############################ ath10k_pci 45056 0 dell_laptop 20480 0 ath10k_core 352256 1 ath10k_pci ath 28672 1 ath10k_core mac80211 778240 1 ath10k_core cfg80211 610304 3 mac80211, ath, ath10k_core wmi_bmof 16384 0 dell_wmi 16384 0 dell_smbios 16384 2 dell_wmi, dell_laptop sparse_keymap 16384 3 dell_wmi, intel_hid, intel_vbtn wmi 24576 2 dell_wmi, wmi_bmof video 40960 3 dell_wmi, dell_laptop, i915 Antarmuka ##### ####################### otomatis lo iface lo inet loopback dns-nameserver 127.0.0.1 ##### ifconfig ########################## lo: flags = 73 mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 inet6 :: 1 prefixlen 128 scopeid 0x10 loop txqueuelen 1000 (Loopback Lokal) Paket RX 3693 byte 416071 (416.0 KB) Kesalahan RX 0 turun 0 overruns 0 frame 0 Paket TX 3693 byte 416071 (416.0 KB) Kesalahan TX 0 turun 0 overruns 0 operator 0 tumbukan 0 wlp58s0: flags = 4163 mtu 1500 inet 192.168.1.49 netmask 255.255.255.0 broadcast 192.168.1.255 inet6 **** prefixlen 64 scopeid 0x0 inet6 **** prefixlen 64 scopeid 0x20 inet6 **** prefixlen 64 scopeid 0x0 ether txqueuelen 1000 (Ethernet) Paket RX 1314397 byte 1910643192 (1,9 GB) Kesalahan RX 0 turun 0 overruns 0 frame 0 Paket TX 398128 byte 49026367 (49,0 MB) Kesalahan TX 0 turun 0 overruns 0 operator 0 tumbukan 0 ##### iwconfig ########################## tidak ada ekstensi nirkabel. wlp58s0 IEEE 802.11 ESSID: "****" Mode: Frekuensi Terkelola: 2,447 GHz Titik Akses: Bit Rate = 1 Mb / s Tx-Power = 20 dBm Coba lagi batas pendek: 7 RTS thr: off Fragmen thr: off Manajemen Daya: aktif Kualitas Tautan = 70/70 Level sinyal = -40 dBm Rx tidak valid nwid: 0 Rx tidak valid crypt: 0 Rx tidak valid frag: 0 Tx retries berlebihan: 0 misc tidak valid: 70 Suar tidak terjawab: 0 Rute ##### ############################ Tabel routing IP kernel Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.254 0.0.0.0 UG 600 0 0 wlp58s0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlp58s0 192.168.1.0 0.0.0.0 255.255.255.0 U 600 0 0 wlp58s0 ##### resolv.conf ####################### nameserver 127.0.0.1 ##### manajer jaringan ################### Diinstal: Pengelola jaringan Berlari: root 834 1 0 10:14? 00:00:07 / usr / sbin / NetworkManager --no-daemon ##### Info NetworkManager ################ GENERAL.DEVICE: wlp58s0 UMUM.TIPE: wifi UMUM.NM-TYPE: NMDeviceWifi GENERAL.VENDOR: Qualcomm Atheros UMUM.PRODUKI: Adaptor Jaringan Nirkabel QCA6174 802.11ac GENERAL.DRIVER: ath10k_pci UMUM. SUNGAI-VERSI: 4.13.0-16-generik GENERAL.FIRMWARE-VERSION: WLAN.RM.4.4-00022-QCARMSWPZ-2 UMUM.HWADDR: UMUM.MTU: 1500 UMUM.STATE: 100 (terhubung) UMUM.REASON: 0 (Tidak ada alasan yang diberikan) GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.4/0000:3a:00.0/net/wlp58s0 UMUM.IP-IFACE: wlp58s0 GENERAL.IS-SOFTWARE: no UMUM. MANAJEMEN NAM: ya Jendral .UTOKONNEK: ya GENERAL.FIRMWARE-MISSING: no UMUM.NM-PLUGIN-MISSING: no GENERAL.PHYS-PORT-ID: - UMUM.CONNECTION: **** UMUM.CON-UUID: **** UMUM.CON-PATH: / org / freedesktop / NetworkManager / ActiveConnection / 7 UMUM. DITETAPKAN: tidak (menebak) CAPABILITIES.CARRIER-DETECT: no KAPABILITAS. DITETAPKAN: 1 Mb / s CAPABILITIES.IS-SOFTWARE: no KAPABILITAS.SRIOV: no WIFI-SIFAT. WEP: ya WIFI-PROPERTI.WPA: ya WIFI-PROPERTI.WPA2: ya WIFI-SIFAT. Tip: ya WIFI-PROPERTI.CCMP: ya WIFI-PROPERTI.AP: ya WIFI-SIFAT.ADHOC: ya WIFI-SIFAT.2GHz: ya WIFI-SIFAT.5 GHZ: ya IP4.ADDRESS [1]: 192.168.1.49/24 IP4.GATEWAY: 192.168.1.254 IP4.ROUTE [1]: dst = 169.254.0.0/16, nh = 0.0.0.0, mt = 1000 IP4.DNS [1]: 192.168.1.254 DHCP4.OPTION [1]: asked_routers = 1 DHCP4.OPTION [2]: asked_domain_search = 1 DHCP4.OPTION [3]: asked_time_offset = 1 DHCP4.OPTION [4]: asked_domain_name = 1 DHCP4.OPTION [5]: asked_rfc3442_classless_static_routes = 1 DHCP4.OPTION [6]: asked_broadcast_address = 1 DHCP4.OPTION [7]: asked_netbios_scope = 1 DHCP4.OPTION [8]: asked_wpad = 1 DHCP4.OPTION [9]: next_server = 0.0.0.0 DHCP4.OPTION [10]: kedaluwarsa = 1508710174 DHCP4.OPTION [11]: asked_interface_mtu = 1 DHCP4.OPTION [12]: asked_subnet_mask = 1 DHCP4.OPTION [13]: router = 192.168.1.254 DHCP4.OPTION [14]: dhcp_message_type = 5 DHCP4.OPTION [15]: ip_address = 192.168.1.49 DHCP4.OPTION [16]: broadcast_address = 192.168.1.255 DHCP4.OPTION [17]: asked_static_routes = 1 DHCP4.OPTION [18]: asked_domain_name_servers = 1 DHCP4.OPTION [19]: asked_ntp_servers = 1 DHCP4.OPTION [20]: asked_netbios_name_servers = 1 DHCP4.OPTION [21]: dhcp_lease_time = 43200 DHCP4.OPTION [22]: domain_name_servers = 192.168.1.254 DHCP4.OPTION [23]: asked_ms_classless_static_routes = 1 DHCP4.OPTION [24]: subnet_mask = 255.255.255.0 DHCP4.OPTION [25]: network_number = 192.168.1.0 DHCP4.OPTION [26]: asked_host_name = 1 DHCP4.OPTION [27]: dhcp_server_identifier = 192.168.1.254 IP6.ADDRESS [1]: **** / 64 IP6.ADDRESS [2]: **** / 64 IP6.ADDRESS [3]: **** / 64 IP6.GATEWAY: **** IP6.ROUTE [1]: dst = **** :: / 64, nh = ::, mt = 600 IP6.DNS [1]: **** IP6.DNS [2]: **** SSID BSSID MODE CHAN FREQ RATE SIGNAL BARS KEAMANAN AKTIF * ** TERSEMBUNYI UNTUK PRIVASI ** ##### NetworkManager.state ############### [utama] NetworkingEnabled = true WirelessEnabled = true WWANEnabled = true ##### NetworkManager.conf ################ [utama] plugins = ifupdown, keyfile [ifupdown] dikelola = salah [alat] wifi.scan-rand-mac-address = no ##### Profil NetworkManager ############ ** TERSEMBUNYI UNTUK PRIVASI ** ##### iw reg dapatkan ######################## global negara 00: DFS-UNSET (2402 - 2472 @ 40), (N / A, 20), (N / A) (2457 - 2482 @ 20), (N / A, 20), (N / A), AUTO-BW, NO-IR (2474 - 2494 @ 20), (N / A, 20), (N / A), NO-OFDM, NO-IR (5170 - 5250 @ 80), (N / A, 20), (N / A), AUTO-BW, NO-IR (5250 - 5330 @ 80), (N / A, 20), (0 ms), DFS, AUTO-BW, NO-IR (5490 - 5730 @ 160), (N / A, 20), (0 ms), DFS, NO-IR (5735 - 5835 @ 80), (N / A, 20), (N / A), NO-IR (57240 - 63720 @ 2160), (N / A, 0), (N / A) ##### saluran iwlist #################### lo tidak ada informasi frekuensi. total wlp58s0 32 saluran; frekuensi yang tersedia: Saluran 01: 2,412 GHz Saluran 02: 2,417 GHz Saluran 03: 2,422 GHz Saluran 04: 2.427 GHz Saluran 05: 2,432 GHz Saluran 06: 2.437 GHz Saluran 07: 2.442 GHz Saluran 08: 2.447 GHz Saluran 09: 2,452 GHz Saluran 10: 2,457 GHz Saluran 11: 2,462 GHz Saluran 12: 2,467 GHz Saluran 13: 2,472 GHz Saluran 36: 5,18 GHz Saluran 40: 5,2 GHz Saluran 44: 5,22 GHz Saluran 48: 5,24 GHz Saluran 52: 5,26 GHz Saluran 56: 5,28 GHz Saluran 60: 5,3 GHz Saluran 64: 5,32 GHz Saluran 100: 5,5 GHz Saluran 104: 5,52 GHz Saluran 108: 5,54 GHz Saluran 112: 5,56 GHz Saluran 116: 5,58 GHz Saluran 120: 5,6 GHz Saluran 124: 5,62 GHz Saluran 128: 5,64 GHz Saluran 132: 5,66 GHz Saluran 136: 5,68 GHz Saluran 140: 5,7 GHz Frekuensi Saat Ini: 2.447 GHz (Saluran 8) ##### iwlist memindai ####################### lo Interface tidak mendukung pemindaian. wlp58s0 Antarmuka tidak mendukung pemindaian: Perangkat atau sumber daya sibuk ##### modul info ###################### [ath10k_pci] namafile: /lib/modules/4.13.0-16-generic/kernel/drivers/net/wireless/ath/ath10k/ath10k_pci.ko firmware: ath10k / QCA9377 / hw1.0 / board.bin firmware: ath10k / QCA9377 / hw1.0 / firmware-5.bin firmware: ath10k / QCA6174 / hw3.0 / board-2.bin firmware: ath10k / QCA6174 / hw3.0 / board.bin firmware: ath10k / QCA6174 / hw3.0 / firmware-6.bin firmware: ath10k / QCA6174 / hw3.0 / firmware-5.bin firmware: ath10k / QCA6174 / hw3.0 / firmware-4.bin firmware: ath10k / QCA6174 / hw2.1 / board-2.bin firmware: ath10k / QCA6174 / hw2.1 / board.bin firmware: ath10k / QCA6174 / hw2.1 / firmware-5.bin firmware: ath10k / QCA6174 / hw2.1 / firmware-4.bin firmware: ath10k / QCA9887 / hw1.0 / board-2.bin firmware: ath10k / QCA9887 / hw1.0 / board.bin firmware: ath10k / QCA9887 / hw1.0 / firmware-5.bin firmware: ath10k / QCA988X / hw2.0 / board-2.bin firmware: ath10k / QCA988X / hw2.0 / board.bin firmware: ath10k / QCA988X / hw2.0 / firmware-5.bin firmware: ath10k / QCA988X / hw2.0 / firmware-4.bin firmware: ath10k / QCA988X / hw2.0 / firmware-3.bin firmware: ath10k / QCA988X / hw2.0 / firmware-2.bin lisensi: Dual BSD / GPL deskripsi: Dukungan driver untuk perangkat Qualcomm Atheros 802.11ac WLAN PCIe / AHB penulis: Qualcomm Atheros srcversion: 8D7A52EE462CD73D0445DB2 tergantung: ath10k_core Intree: Y nama: ath10k_pci vermagic: 4.13.0-16-generik SMP mod_unload signat: PKCS # 7 penandatangan: sig_key: sig_hashalgo: md4 parm: irq_mode: 0: auto, 1: legacy, 2: msi (default: 0) (uint) parm: reset_mode: 0: auto, 1: warm only (default: 0) (uint) [ath10k_core] namafile: /lib/modules/4.13.0-16-generic/kernel/drivers/net/wireless/ath/ath10k/ath10k_core.ko lisensi: Dual BSD / GPL deskripsi: Modul inti untuk kartu LAN nirkabel Qualcomm Atheros 802.11ac. penulis: Qualcomm Atheros srcversion: 7F06478F5745B064BF3BC89 tergantung: mac80211, cfg80211, ath Intree: Y nama: ath10k_core vermagic: 4.13.0-16-generik SMP mod_unload signat: PKCS # 7 penandatangan: sig_key: sig_hashalgo: md4 parm: debug_mask: Masker debugging (uint) parm: uart_print: debugging target Uart (bool) parm: skip_otp: Abaikan kegagalan otp untuk kalibrasi dalam testmode (bool) parm: cryptmode: Crypto mode: 0-hardware, 1-software (uint) parm: rawmode: Gunakan raw frame frame 802.11 (bool) [ath] filename: /lib/modules/4.13.0-16-generic/kernel/drivers/net/wireless/ath/ath.ko lisensi: Dual BSD / GPL deskripsi: Pustaka bersama untuk kartu LAN nirkabel Atheros. penulis: Komunikasi Atheros srcversion: 555BBBB9D4FCA58A05E7C0D tergantung: cfg80211 Intree: Y nama: ath vermagic: 4.13.0-16-generik SMP mod_unload signat: PKCS # 7 penandatangan: sig_key: sig_hashalgo: md4 [mac80211] namafile: /lib/modules/4.13.0-16-generic/kernel/net/mac80211/mac80211.ko lisensi: GPL deskripsi: subsistem IEEE 802.11 srcversion: 66E288B8743878C5423A01E tergantung: cfg80211 Intree: Y nama: mac80211 vermagic: 4.13.0-16-generik SMP mod_unload signat: PKCS # 7 penandatangan: sig_key: sig_hashalgo: md4 parm: minstrel_vht_only: Gunakan hanya harga VHT ketika VHT didukung oleh sta. (bool) parm: max_nullfunc_tries: Maksimal nullfunc tx mencoba sebelum memutuskan hubungan (alasan 4). (int) parm: max_probe_tries: Probe maksimum mencoba sebelum memutuskan hubungan (alasan 4). (int) parm: beacon_loss_count: Jumlah interval suar sebelum kami memutuskan suar hilang. (int) parm: probe_wait_ms: Waktu maksimum (ms) untuk menunggu respons probe sebelum memutuskan hubungan (alasan 4). (int) parm: ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp) [cfg80211] filename: /lib/modules/4.13.0-16-generic/kernel/net/wireless/cfg80211.ko description: wireless configuration support license: GPL author: Johannes Berg srcversion: A854863B536C70273DE73A5 depends: intree: Y name: cfg80211 vermagic: 4.13.0-16-generic SMP mod_unload signat: PKCS#7 signer: sig_key: sig_hashalgo: md4 parm: bss_entries_limit:limit to number of scan BSS entries (per wiphy, default 1000) (int) parm: ieee80211_regdom:IEEE 802.11 regulatory domain code (charp) parm: cfg80211_disable_40mhz_24ghz:Disable 40MHz support in the 2.4GHz band (bool) ##### module parameters ################# [ath10k_pci] irq_mode: 0 reset_mode: 0 [ath10k_core] cryptmode: 0 debug_mask: 0 rawmode: N skip_otp: N uart_print: N [mac80211] beacon_loss_count: 7 ieee80211_default_rc_algo: minstrel_ht max_nullfunc_tries: 2 max_probe_tries: 5 minstrel_vht_only: Y probe_wait_ms: 500 [cfg80211] bss_entries_limit: 1000 cfg80211_disable_40mhz_24ghz: N ieee80211_regdom: 00 ##### /etc/modules ###################### ##### modprobe options ################## [/etc/modprobe.d/blacklist-ath_pci.conf] blacklist ath_pci [/etc/modprobe.d/blacklist.conf] blacklist evbug blacklist usbmouse blacklist usbkbd blacklist eepro100 blacklist de4x5 blacklist eth1394 blacklist snd_intel8x0m blacklist snd_aw2 blacklist i2c_i801 blacklist prism54 blacklist bcm43xx blacklist garmin_gps blacklist asus_acpi blacklist snd_pcsp blacklist pcspkr blacklist amd76x_edac [/etc/modprobe.d/blacklist-rare-network.conf] alias net-pf-3 off alias net-pf-6 off alias net-pf-9 off alias net-pf-11 off alias net-pf-12 off alias net-pf-19 off alias net-pf-21 off alias net-pf-36 off [/etc/modprobe.d/intel-microcode-blacklist.conf] blacklist microcode [/etc/modprobe.d/iwlwifi.conf] remove iwlwifi \ (/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \ && /sbin/modprobe -r mac80211 [/etc/modprobe.d/mlx4.conf] softdep mlx4_core post: mlx4_en ##### rc.local ########################## grep: /etc/rc.local: No such file or directory ##### pm-utils ########################## ##### udev rules ######################## ##### dmesg ############################# [ 2518.493849] wlp58s0: send auth to (try 1/3) [ 2518.498139] wlp58s0: authenticated [ 2518.510661] wlp58s0: associate with (try 1/3) [ 2518.514808] wlp58s0: RX AssocResp from (capab=0x411 status=0 aid=1) [ 2518.517910] wlp58s0: associated [ 2518.518031] IPv6: ADDRCONF(NETDEV_CHANGE): wlp58s0: link becomes ready [ 3790.657597] wlp58s0: deauthenticating from by local choice (Reason: 3=DEAUTH_LEAVING) [ 3790.691224] wlp58s0: authenticate with [ 3790.744676] wlp58s0: send auth to (try 1/3) [ 3791.745320] wlp58s0: send auth to (try 2/3) [ 3792.702724] wlp58s0: authenticated [ 3792.705567] wlp58s0: associate with (try 1/3) [ 3792.708886] wlp58s0: RX AssocResp from (capab=0x411 status=0 aid=1) [ 3792.712592] wlp58s0: associated [ 4892.860736] wlp58s0: deauthenticating from by local choice (Reason: 3=DEAUTH_LEAVING) [ 4896.836038] wlp58s0: authenticate with [ 4896.888893] wlp58s0: send auth to (try 1/3) [ 4896.890516] wlp58s0: authenticated [ 4896.892901] wlp58s0: associate with (try 1/3) [ 4896.897903] wlp58s0: RX AssocResp from (capab=0x411 status=0 aid=1) [ 4896.900310] wlp58s0: associated ########## wireless info END ############
Edit: The solution provided by Zsolt Rizsányi works, alternatively I choose to change my WiFi card by an Intel 8265 which have a better range and a better support of the 5G frequency.