这里先吐槽一下kmod-rtl8xxxx这个驱动。安装了这个驱动以后,插入8xxx网卡的时候,会去加载这个驱动而不加载设备对应的驱动,致使我三张8188的卡所有链接上不稳定,秒掉线。关键是本身的操做也是蠢萌= =app
1、遇到这样的问题dom
[34216.950000] wlan0-1: associated [34217.020000] wlan0-1: AP 94:0c:6d:d4:b1:be changed bandwidth, new config is 2452 MHz, width 1 (2452/0 MHz) [34217.030000] wlan0-1: AP 94:0c:6d:d4:b1:be changed bandwidth in a way we can't support - disconnect [34217.340000] br-lan: port 2(wlan0) entered forwarding state [34217.340000] br-lan: port 2(wlan0) entered forwarding state [34217.920000] br-lan: port 2(wlan0) entered disabled state [34218.140000] wlan0-1: authenticate with 94:0c:6d:d4:b1:be [34218.180000] wlan0-1: send auth to 94:0c:6d:d4:b1:be (try 1/3) [34218.180000] wlan0-1: authenticated [34218.200000] wlan0-1: associate with 94:0c:6d:d4:b1:be (try 1/3) [34218.200000] wlan0-1: RX AssocResp from 94:0c:6d:d4:b1:be (capab=0x431 status=0 aid=7) [34218.210000] wlan0-1: associated [34218.250000] wlan0-1: AP 94:0c:6d:d4:b1:be changed bandwidth, new config is 2452 MHz, width 1 (2452/0 MHz) [34218.260000] wlan0-1: AP 94:0c:6d:d4:b1:be changed bandwidth in a way we can't support - disconnect [34218.600000] br-lan: port 2(wlan0) entered forwarding state [34218.610000] br-lan: port 2(wlan0) entered forwarding state [34218.920000] br-lan: port 2(wlan0) entered disabled state
2、最气的是这个错误网站
IPv6: ADDRCONF(NETDEV_CHANGE): br-lan: link becomes ready [ 18.071038] random: crng init done [ 42.251387] brcmfmac: brcmf_cfg80211_get_station: GET STA INFO failed, -512 [ 116.374658] smsc95xx 1-1.1:1.0 eth0: link up, 100Mbps, full-duplex, lpa 0x4DE1 [ 116.394890] br-wan: port 1(eth0) entered blocking state [ 116.402743] br-wan: port 1(eth0) entered forwarding state [ 116.410834] IPv6: ADDRCONF(NETDEV_CHANGE): br-wan: link becomes ready [ 117.282467] br-wan: hw csum failure [ 117.288466] CPU: 0 PID: 2873 Comm: modprobe Not tainted 4.9.44 #0 [ 117.297065] Hardware name: BCM2835 [ 117.302975] [<80016c20>] (unwind_backtrace) from [<80012860>] (show_stack+0x10/0x14) [ 117.315902] [<80012860>] (show_stack) from [<801afe90>] (dump_stack+0x8c/0xb8) [ 117.326053] [<801afe90>] (dump_stack) from [<802fde80>] (__skb_checksum_complete+0x6c/0xac) [ 117.340100] [<802fde80>] (__skb_checksum_complete) from [<8036c1fc>] (icmp_rcv+0x168/0x2f8) [ 117.354574] [<8036c1fc>] (icmp_rcv) from [<8033e1f8>] (ip_local_deliver_finish+0x11c/0x1f4) [ 117.369246] [<8033e1f8>] (ip_local_deliver_finish) from [<8033e770>] (ip_local_deliver+0xb8/0xc8) [ 117.384865] [<8033e770>] (ip_local_deliver) from [<8033e9d8>] (ip_rcv+0x258/0x2b8) [ 117.399207] [<8033e9d8>] (ip_rcv) from [<803068dc>] (__netif_receive_skb_core+0x6d4/0x90c) [ 117.414332] [<803068dc>] (__netif_receive_skb_core) from [<80309264>] (process_backlog+0x7c/0x11c) [ 117.430496] [<80309264>] (process_backlog) from [<803089fc>] (net_rx_action+0xe8/0x2ac) [ 117.445844] [<803089fc>] (net_rx_action) from [<80022b9c>] (__do_softirq+0xd0/0x204) [ 117.461099] [<80022b9c>] (__do_softirq) from [<80022f64>] (irq_exit+0x94/0x104) [ 117.472325] [<80022f64>] (irq_exit) from [<8005a4bc>] (__handle_domain_irq+0x90/0xb4) [ 117.487696] [<8005a4bc>] (__handle_domain_irq) from [<8001334c>] (__irq_svc+0x6c/0x90) [ 117.503237] [<8001334c>] (__irq_svc) from [<8009c290>] (mark_page_accessed+0x124/0x160) [ 117.518869] [<8009c290>] (mark_page_accessed) from [<800afe34>] (unmap_page_range+0x338/0x5e8) [ 117.535135] [<800afe34>] (unmap_page_range) from [<800b0434>] (unmap_vmas+0x44/0x54) [ 117.550499] [<800b0434>] (unmap_vmas) from [<800b3814>] (unmap_region+0xc0/0x180) [ 117.565588] [<800b3814>] (unmap_region) from [<800b57a4>] (do_munmap+0x214/0x298) [ 117.580671] [<800b57a4>] (do_munmap) from [<800b586c>] (SyS_munmap+0x44/0x60) [ 117.591748] [<800b586c>] (SyS_munmap) from [<8000ecc0>] (ret_fast_syscall+0x0/0x3c) [ 118.426156] br-wan: hw csum failure [ 118.433346] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 4.9.44 #0 [ 118.441685] br-wan: hw csum failure
该类错误是因为WAN接口采用桥接的方式组了网,在挂卡中级无线的时候,不当心把wwan写成了wan,基本就费了。code
该现象会致使你能上去某一些网站,固然是少数,大多数的网站压根打不开。接口
解决方案:删了接口,从新添加。。。ip
3、总结ci
实测采用4.9.44内核的LEDE基本能够通吃市面上绝大部分的网卡,可是因为大多采用的是开源驱动,速度每每是没法令本身满意,我挂8188eu速度也就在1.5M/s附近,并且下载东西的时候,ping 2000+msget
日常用来上个网无所谓,嗖嗖的。it
推荐的网卡,淘宝包邮系列。。。io
4、参考连接
http://see.sl088.com/wiki/Openwrt_wifi/%E6%94%B6%E5%88%B0%E6%94%B9%E5%8F%98%E5%B8%A6%E5%AE%BD%E4%BF%A1%E6%81%AF
5、挂mt7601u
opkg update opkg install kmod-mt7601u opkg install kmod-usb-core opkg install kmod-usb-ohci opkg install kmod-usb-uhci opkg install kmod-usb2 opkg install mt7601u-firmware reboot