Ubuntu 16.04 – 降低无线性能

我一直在阅读关于这个问题的许多其他内容,并尝试了很多方面,但仍然是同样的问题。

我从14.04升级到16.04 – 这就是问题开始的时候。 我的无线连接非常完美 – speedtest.net显示下载速度高达65 Mbps。 稍后(大约10-20分钟 – 取决于使用情况)当我意识到我的互联网连接恶化时 – 同样的速度检查返回速度低至0.5 Mbps。 如果我继续它在某些时候完全失败,因为wifi断开连接,然后不断尝试重新连接,但没有成功。

如果我运行这些命令

sudo modprobe -r rt2800pci sudo modprobe -v rt2800pci 

连接再次完美。 再过10或20分钟,然后再次发生同样的事情,直到我再次重置它。

任何关于可能导致这种情况的想法,或者我如何将“修复”永久化,都将受到高度赞赏。

我的’wireless-info’返回以下内容

  ########## wireless info START ########## Report from: 11 Aug 2016 10:36 BST +0100 Booted last: 11 Aug 2016 00:00 BST +0100 Script from: 08 Jul 2016 02:16 UTC +0000 ##### release ########################### Distributor ID: Ubuntu Description: Ubuntu 16.04.1 LTS Release: 16.04 Codename: xenial ##### kernel ############################ Linux 4.4.0-34-generic #53-Ubuntu SMP Wed Jul 27 16:06:39 UTC 2016 x86_64 x86_64 x86_64 GNU/Linux Parameters: ro ##### desktop ########################### Ubuntu ##### lspci ############################# 07:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 06) Subsystem: ASUSTeK Computer Inc. P8P67 and other motherboards [1043:8432] Kernel driver in use: r8169 09:01.0 Network controller [0280]: Ralink corp. RT2800 802.11n PCI [1814:0601] Subsystem: Linksys RT2800 802.11n PCI [1737:0067] Kernel driver in use: rt2800pci ##### lsusb ############################# Bus 002 Device 004: ID 046d:0a29 Logitech, Inc. H600 [Wireless Headset] Bus 002 Device 003: ID 045e:0040 Microsoft Corp. Wheel Mouse Optical Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub ##### PCMCIA card info ################## ##### rfkill ############################ 2: phy0: Wireless LAN Soft blocked: no Hard blocked: no ##### lsmod ############################# rt2800pci 16384 0 rt2800mmio 20480 1 rt2800pci rt2800lib 94208 2 rt2800pci,rt2800mmio rt2x00pci 16384 1 rt2800pci rt2x00mmio 16384 2 rt2800pci,rt2800mmio rt2x00lib 57344 5 rt2x00pci,rt2800lib,rt2800pci,rt2800mmio,rt2x00mmio mac80211 737280 3 rt2x00lib,rt2x00pci,rt2800lib cfg80211 565248 2 mac80211,rt2x00lib eeprom_93cx6 16384 1 rt2800pci crc_ccitt 16384 1 rt2800lib eeepc_wmi 16384 0 asus_wmi 28672 1 eeepc_wmi sparse_keymap 16384 1 asus_wmi mxm_wmi 16384 0 video 40960 2 i915,asus_wmi wmi 20480 2 mxm_wmi,asus_wmi ##### interfaces ######################## auto lo iface lo inet loopback ##### ifconfig ########################## eth0 Link encap:Ethernet HWaddr  UP BROADCAST MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B) wlan0 Link encap:Ethernet HWaddr  inet addr:192.168.1.67 Bcast:192.168.1.255 Mask:255.255.255.0 inet6 addr: fdaa:bbcc:ddee:0:/64 Scope:Global inet6 addr: fdaa:bbcc:ddee:0:e43f:8d69:5553:975e/64 Scope:Global inet6 addr: 2a00:23c5:2b00:4e00:/64 Scope:Global inet6 addr: fe80::/64 Scope:Link inet6 addr: 2a00:23c5:2b00:4e00:e43f:8d69:5553:975e/64 Scope:Global UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:91937 errors:0 dropped:0 overruns:0 frame:0 TX packets:67241 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:112982621 (112.9 MB) TX bytes:43095223 (43.0 MB) ##### iwconfig ########################## lo no wireless extensions. eth0 no wireless extensions. wlan0 IEEE 802.11abgn ESSID:"BTHub6-5ZWZ" Mode:Managed Frequency:5.2 GHz Access Point:  Bit Rate=121.5 Mb/s Tx-Power=20 dBm Retry short limit:7 RTS thr:off Fragment thr:off Power Management:on Link Quality=42/70 Signal level=-68 dBm Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 Tx excessive retries:353 Invalid misc:123 Missed beacon:0 ##### route ############################# Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.1.254 0.0.0.0 UG 600 0 0 wlan0 169.254.0.0 0.0.0.0 255.255.0.0 U 1000 0 0 wlan0 192.168.1.0 0.0.0.0 255.255.255.0 U 600 0 0 wlan0 ##### resolv.conf ####################### nameserver 127.0.1.1 search home ##### network managers ################## Installed: NetworkManager Running: root 6704 1 0 09:34 ? 00:00:01 /usr/sbin/NetworkManager --no-daemon ##### NetworkManager info ############### GENERAL.DEVICE: wlan0 GENERAL.TYPE: wifi GENERAL.NM-TYPE: NMDeviceWifi GENERAL.VENDOR: Ralink corp. GENERAL.PRODUCT: RT2800 802.11n PCI GENERAL.DRIVER: rt2800pci GENERAL.DRIVER-VERSION: 4.4.0-34-generic GENERAL.FIRMWARE-VERSION: N/A GENERAL.HWADDR:  GENERAL.MTU: 0 GENERAL.STATE: 100 (connected) GENERAL.REASON: 0 (No reason given) GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.7/0000:08:00.0/0000:09:01.0/net/wlan0 GENERAL.IP-IFACE: wlan0 GENERAL.IS-SOFTWARE: no GENERAL.NM-MANAGED: yes GENERAL.AUTOCONNECT: yes GENERAL.FIRMWARE-MISSING: no GENERAL.NM-PLUGIN-MISSING: no GENERAL.PHYS-PORT-ID: -- GENERAL.CONNECTION: BTHub6-5ZWZ GENERAL.CON-UUID: dc227fab-57af-4967-bab1-6444fad55297 GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveConnection/6 GENERAL.METERED: no (guessed) CAPABILITIES.CARRIER-DETECT: no CAPABILITIES.SPEED: 121 Mb/s CAPABILITIES.IS-SOFTWARE: no WIFI-PROPERTIES.WEP: yes WIFI-PROPERTIES.WPA: yes WIFI-PROPERTIES.WPA2: yes WIFI-PROPERTIES.TKIP: yes WIFI-PROPERTIES.CCMP: yes WIFI-PROPERTIES.AP: yes WIFI-PROPERTIES.ADHOC: yes WIFI-PROPERTIES.2GHZ: yes WIFI-PROPERTIES.5GHZ: yes CONNECTIONS.AVAILABLE-CONNECTION-PATHS: /org/freedesktop/NetworkManager/Settings/{0} CONNECTIONS.AVAILABLE-CONNECTIONS[1]: dc227fab-57af-4967-bab1-6444fad55297 | BTHub6-5ZWZ IP4.ADDRESS[1]: 192.168.1.67/24 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 IP4.DOMAIN[1]: home DHCP4.OPTION[1]: requested_routers = 1 DHCP4.OPTION[2]: requested_domain_search = 1 DHCP4.OPTION[3]: requested_time_offset = 1 DHCP4.OPTION[4]: requested_domain_name = 1 DHCP4.OPTION[5]: requested_rfc3442_classless_static_routes = 1 DHCP4.OPTION[6]: requested_broadcast_address = 1 DHCP4.OPTION[7]: requested_netbios_scope = 1 DHCP4.OPTION[8]: requested_wpad = 1 DHCP4.OPTION[9]: next_server = 0.0.0.0 DHCP4.OPTION[10]: expiry = 1470992937 DHCP4.OPTION[11]: requested_interface_mtu = 1 DHCP4.OPTION[12]: requested_subnet_mask = 1 DHCP4.OPTION[13]: routers = 192.168.1.254 DHCP4.OPTION[14]: dhcp_message_type = 5 DHCP4.OPTION[15]: ip_address = 192.168.1.67 DHCP4.OPTION[16]: requested_static_routes = 1 DHCP4.OPTION[17]: domain_name = home DHCP4.OPTION[18]: requested_domain_name_servers = 1 DHCP4.OPTION[19]: broadcast_address = 192.168.1.255 DHCP4.OPTION[20]: requested_ntp_servers = 1 DHCP4.OPTION[21]: requested_netbios_name_servers = 1 DHCP4.OPTION[22]: dhcp_lease_time = 86400 DHCP4.OPTION[23]: domain_name_servers = 192.168.1.254 DHCP4.OPTION[24]: requested_ms_classless_static_routes = 1 DHCP4.OPTION[25]: subnet_mask = 255.255.255.0 DHCP4.OPTION[26]: network_number = 192.168.1.0 DHCP4.OPTION[27]: requested_host_name = 1 DHCP4.OPTION[28]: dhcp_server_identifier = 192.168.1.254 IP6.ADDRESS[1]: 2a00:23c5:2b00:4e00:e43f:8d69:5553:975e/64 IP6.ADDRESS[2]: fdaa:bbcc:ddee:0:e43f:8d69:5553:975e/64 IP6.ADDRESS[3]: 2a00:23c5:2b00:4e00:/64 IP6.ADDRESS[4]: fdaa:bbcc:ddee:0:/64 IP6.ADDRESS[5]: fe80::/64 IP6.GATEWAY: fe80::924d:4aff:fe0f:1d45 IP6.ROUTE[1]: dst = 2a00:23c5:2b00:4e00::/64, nh = fe80::924d:4aff:fe0f:1d45, mt = 600 IP6.ROUTE[2]: dst = fdaa:bbcc:ddee::/64, nh = fe80::924d:4aff:fe0f:1d45, mt = 600 DHCP6.OPTION[1]: requested_dhcp6_domain_search = 1 DHCP6.OPTION[2]: dhcp6_domain_search = home. DHCP6.OPTION[3]: requested_dhcp6_client_id = 1 DHCP6.OPTION[4]: requested_dhcp6_name_servers = 1 DHCP6.OPTION[5]: dhcp6_server_id = 0:1:0:1:18:74:e3:b4:90:4d:4a:f:1d:45 DHCP6.OPTION[6]: dhcp6_client_id = 0:4:29:57:28:7e:a5:6:2d:33:9c:f1:82:68:d:4:46:d3 GENERAL.DEVICE: eth0 GENERAL.TYPE: ethernet GENERAL.NM-TYPE: NMDeviceEthernet GENERAL.VENDOR: Realtek Semiconductor Co., Ltd. GENERAL.PRODUCT: RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (P8P67 and other motherboards) GENERAL.DRIVER: r8169 GENERAL.DRIVER-VERSION: 2.3LK-NAPI GENERAL.FIRMWARE-VERSION: rtl8168e-3_0.0.4 03/27/12 GENERAL.HWADDR:  GENERAL.MTU: 1500 GENERAL.STATE: 20 (unavailable) GENERAL.REASON: 2 (Device is now managed) GENERAL.UDI: /sys/devices/pci0000:00/0000:00:1c.6/0000:07:00.0/net/eth0 GENERAL.IP-IFACE: GENERAL.IS-SOFTWARE: no GENERAL.NM-MANAGED: yes GENERAL.AUTOCONNECT: yes GENERAL.FIRMWARE-MISSING: no GENERAL.NM-PLUGIN-MISSING: no GENERAL.PHYS-PORT-ID: -- GENERAL.CONNECTION: -- GENERAL.CON-UUID: -- GENERAL.CON-PATH: -- GENERAL.METERED: unknown CAPABILITIES.CARRIER-DETECT: yes CAPABILITIES.SPEED: unknown CAPABILITIES.IS-SOFTWARE: no WIRED-PROPERTIES.CARRIER: off CONNECTIONS.AVAILABLE-CONNECTION-PATHS: SSID BSSID MODE CHAN FREQ RATE SIGNAL BARS SECURITY ACTIVE * BTHub6-5ZWZ  Infra 11 2462 MHz 54 Mbit/s 69 ▂▄▆_ WPA2 no BTWifi-with-FON  Infra 6 2437 MHz 54 Mbit/s 57 ▂▄▆_ -- no BTHub5-FXPN  Infra 6 2437 MHz 54 Mbit/s 54 ▂▄__ WPA2 no BTHub6-5ZWZ  Infra 40 5200 MHz 54 Mbit/s 54 ▂▄__ WPA2 yes * BTWifi-X  Infra 6 2437 MHz 54 Mbit/s 50 ▂▄__ WPA1 WPA2 802.1X no TALKTALK-D149D4  Infra 11 2462 MHz 54 Mbit/s 47 ▂▄__ WPA1 WPA2 no BTWifi-with-FON  Infra 44 5220 MHz 54 Mbit/s 44 ▂▄__ -- no BTHub5-FXPN  Infra 44 5220 MHz 54 Mbit/s 44 ▂▄__ WPA2 no BTWifi-X  Infra 44 5220 MHz 54 Mbit/s 44 ▂▄__ WPA1 WPA2 802.1X no DIRECT-BB-Android_8d05  Infra 44 5220 MHz 54 Mbit/s 40 ▂▄__ WPA2 no ##### NetworkManager.state ############## [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true WimaxEnabled=true ##### NetworkManager.conf ############### [main] plugins=ifupdown,keyfile,ofono dns=dnsmasq [ifupdown] managed=false ##### NetworkManager profiles ########### [[/etc/NetworkManager/system-connections/BTHub6-5ZWZ]] (600 root) [connection] id=BTHub6-5ZWZ | type=802-11-wireless [802-11-wireless] ssid=BTHub6-5ZWZ | mac-address= [ipv4] method=auto [ipv6] method=auto ##### iw reg get ######################## Region: Europe/London (based on set time zone) country GB: DFS-ETSI (2402 - 2482 @ 40), (N/A, 20), (N/A) (5170 - 5250 @ 80), (N/A, 20), (N/A) (5250 - 5330 @ 80), (N/A, 20), (0 ms), DFS (5490 - 5710 @ 160), (N/A, 27), (0 ms), DFS (57000 - 66000 @ 2160), (N/A, 40), (N/A) ##### iwlist channels ################### lo no frequency information. eth0 no frequency information. wlan0 32 channels in total; available frequencies : Channel 01 : 2.412 GHz Channel 02 : 2.417 GHz Channel 03 : 2.422 GHz Channel 04 : 2.427 GHz Channel 05 : 2.432 GHz Channel 06 : 2.437 GHz Channel 07 : 2.442 GHz Channel 08 : 2.447 GHz Channel 09 : 2.452 GHz Channel 10 : 2.457 GHz Channel 11 : 2.462 GHz Channel 12 : 2.467 GHz Channel 13 : 2.472 GHz Channel 36 : 5.18 GHz Channel 38 : 5.19 GHz Channel 40 : 5.2 GHz Channel 44 : 5.22 GHz Channel 46 : 5.23 GHz Channel 48 : 5.24 GHz Channel 52 : 5.26 GHz Channel 54 : 5.27 GHz Channel 56 : 5.28 GHz Channel 60 : 5.3 GHz Channel 62 : 5.31 GHz Channel 64 : 5.32 GHz Channel 100 : 5.5 GHz Channel 102 : 5.51 GHz Channel 104 : 5.52 GHz Channel 108 : 5.54 GHz Channel 110 : 5.55 GHz Channel 112 : 5.56 GHz Channel 116 : 5.58 GHz Current Frequency:5.2 GHz (Channel 40) ##### iwlist scan ####################### lo Interface doesn't support scanning. wlan0 Failed to read scan data : Resource temporarily unavailable eth0 Interface doesn't support scanning. ##### module infos ###################### [rt2800pci] filename: /lib/modules/4.4.0-34-generic/kernel/drivers/net/wireless/rt2x00/rt2800pci.ko license: GPL firmware: rt2860.bin description: Ralink RT2800 PCI & PCMCIA Wireless LAN driver. version: 2.3.0 author: http://rt2x00.serialmonkey.com srcversion: 26CCED9E0CE5EFBFA9B8882 depends: rt2x00lib,rt2800lib,rt2800mmio,rt2x00mmio,rt2x00pci,eeprom_93cx6 intree: Y vermagic: 4.4.0-34-generic SMP mod_unload modversions parm: nohwcrypt:Disable hardware encryption. (bool) [rt2800mmio] filename: /lib/modules/4.4.0-34-generic/kernel/drivers/net/wireless/rt2x00/rt2800mmio.ko license: GPL description: rt2800 MMIO library version: 2.3.0 author: http://rt2x00.serialmonkey.com srcversion: 01C1A7641505065E52E0388 depends: rt2800lib,rt2x00lib,rt2x00mmio intree: Y vermagic: 4.4.0-34-generic SMP mod_unload modversions [rt2800lib] filename: /lib/modules/4.4.0-34-generic/kernel/drivers/net/wireless/rt2x00/rt2800lib.ko license: GPL description: Ralink RT2800 library version: 2.3.0 author: http://rt2x00.serialmonkey.com, Bartlomiej Zolnierkiewicz srcversion: BB9F48B63A82C3FD3E73BAF depends: rt2x00lib,mac80211,crc-ccitt intree: Y vermagic: 4.4.0-34-generic SMP mod_unload modversions [rt2x00pci] filename: /lib/modules/4.4.0-34-generic/kernel/drivers/net/wireless/rt2x00/rt2x00pci.ko license: GPL description: rt2x00 pci library version: 2.3.0 author: http://rt2x00.serialmonkey.com srcversion: 543B84557258F153AC267F0 depends: rt2x00lib,mac80211 intree: Y vermagic: 4.4.0-34-generic SMP mod_unload modversions [rt2x00mmio] filename: /lib/modules/4.4.0-34-generic/kernel/drivers/net/wireless/rt2x00/rt2x00mmio.ko license: GPL description: rt2x00 mmio library version: 2.3.0 author: http://rt2x00.serialmonkey.com srcversion: ADBE279820CFD0A1081C682 depends: rt2x00lib intree: Y vermagic: 4.4.0-34-generic SMP mod_unload modversions [rt2x00lib] filename: /lib/modules/4.4.0-34-generic/kernel/drivers/net/wireless/rt2x00/rt2x00lib.ko license: GPL description: rt2x00 library version: 2.3.0 author: http://rt2x00.serialmonkey.com srcversion: 72E39180D883A5541F66494 depends: mac80211,cfg80211 intree: Y vermagic: 4.4.0-34-generic SMP mod_unload modversions [mac80211] filename: /lib/modules/4.4.0-34-generic/kernel/net/mac80211/mac80211.ko license: GPL description: IEEE 802.11 subsystem srcversion: 2FFAEED0245CA1D97FE1E44 depends: cfg80211 intree: Y vermagic: 4.4.0-34-generic SMP mod_unload modversions parm: minstrel_vht_only:Use only VHT rates when VHT is supported by sta. (bool) parm: max_nullfunc_tries:Maximum nullfunc tx tries before disconnecting (reason 4). (int) parm: max_probe_tries:Maximum probe tries before disconnecting (reason 4). (int) parm: beacon_loss_count:Number of beacon intervals before we decide beacon was lost. (int) parm: probe_wait_ms:Maximum time(ms) to wait for probe response before disconnecting (reason 4). (int) parm: ieee80211_default_rc_algo:Default rate control algorithm for mac80211 to use (charp) [cfg80211] filename: /lib/modules/4.4.0-34-generic/kernel/net/wireless/cfg80211.ko description: wireless configuration support license: GPL author: Johannes Berg srcversion: 25A45701AAA64DAC1E47D9D depends: intree: Y vermagic: 4.4.0-34-generic SMP mod_unload modversions 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 ################# [rt2800pci] nohwcrypt: Y [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] cfg80211_disable_40mhz_24ghz: N ieee80211_regdom: 00 ##### /etc/modules ###################### lp coretemp nct6775 coretemp nct6775 ##### 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/iwlwifi.conf] remove iwlwifi \ (/sbin/lsmod | grep -o -e ^iwlmvm -e ^iwldvm -e ^iwlwifi | xargs /sbin/rmmod) \ && /sbin/modprobe -r mac80211 options iwlwifi 11n_disable=8 [/etc/modprobe.d/mlx4.conf] softdep mlx4_core post: mlx4_en [/etc/modprobe.d/rt2800pci.conf] options rt2800pci nohwcrypt=1 [/etc/modprobe.d/rtl8723be.conf] options rtl8723be fwlps=N ##### rc.local ########################## exit 0 ##### pm-utils ########################## [/etc/pm/config.d/config] (644 root) SUSPEND_MODULES="RTL8111/8168/8411" ##### udev rules ######################## [/etc/udev/rules.d/70-persistent-net.rules] # PCI device 0x10ec:0x8168 (r8169) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth0" # PCI device 0x1814:0x0601 (rt2800pci) SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="wlan*", NAME="wlan0" ##### dmesg ############################# [ 6171.962712] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush (repeated 59 times) [ 6199.904495] ieee80211 phy0: rt2x00lib_rxdone_read_signal: Warning - Frame received with unrecognized signal, mode=0x0000, signal=0x0000, type=4 (repeated 8 times) [ 6200.260461] ieee80211 phy0: rt2x00queue_flush_queue: Warning - Queue 2 failed to flush (repeated 33 times) ########## wireless info END ############ 

谢谢

…我想再次将其提升到顶部

经过一个多星期的挫折之后 – 我想我已经找到了解决这个问题的方法 – 那里有其他人想要拔掉头发,不要这样做。

似乎解决了这个特定的问题 – 这与烦人的问题密切相关

 rt2x00queue_flush_queue: Warning - Queue 2 failed to flush 

/ var / log / syslog中的错误需要执行以下操作

运行以下命令

  iwconfig 

并获取接入点的MAC地址。 我将其输入到wifi选项卡上的网络设置屏幕上的BSSID字段中

图像显示Ubuntu 16.04上的相关字段

希望这有助于其他人!

================================================== =======================

一小时后,我注意到互联网速度再次下降到1 – 3 Mbps ……并且从/ var / log / syslog注意到它与IRQ16问题同时发生。

所以我按照建议将“irqpoll”添加到启动选项中。

要在Ubuntu 16.04中添加 – 需要编辑文件/ etc / default / grub编辑/添加一行以包含以下内容

 GRUB_CMDLINE_LINUX_DEFAULT="irqpoll" 

如果你已经有值 – 只需将它添加到最后

 GRUB_CMDLINE_LINUX_DEFAULT="quiet splash irqpoll" 

要更新grub cfg – 运行以下命令

 sudo update-grub 

您可以通过执行操作检查是否已将irqpoll添加到cfg文件中

 cat /boot/grub/grub.cfg | grep irqpoll 

你应该能够发现一些条目。

重新启动后 – 我的机器完美 – 24小时开启 – 仍然如此!