[Ubuntu-zh] Ubuntu 11.10 Wi-Fi 工作不正常

[Yang Yang]

Hi,

在 2012年6月28日 下午5:03，Yang Yang <kormny在gmail.com> 写道：
> Hi,
>
> 我这两天换了个 OpenWRT trunk 固件之后以前挺好用的 Wi-Fi 现在不正常了。具体表现为：
>    刚刚打开 Wi-Fi 的时候可以上网，可以 ping 通网关。几秒后无法联网，也无法 ping 通网关。
>    以下是 log：（操作为断开网络重新连接 Wi-Fi）
>    hiro在Asurada:~$ ping 192.168.1.1
>    PING 192.168.1.1 (192.168.1.1) 56(84) bytes of data.
>    64 bytes from 192.168.1.1: icmp_req=1 ttl=64 time=42.4 ms
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    ping: sendmsg: Network is unreachable
>    64 bytes from 192.168.1.1: icmp_req=42 ttl=64 time=1103 ms
>    64 bytes from 192.168.1.1: icmp_req=43 ttl=64 time=106 ms
>    From 192.168.1.7 icmp_seq=96 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=97 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=100 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=103 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=105 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=106 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=109 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=112 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=115 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=117 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=118 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=121 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=124 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=127 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=130 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=133 Destination Host Unreachable
>    From 192.168.1.7 icmp_seq=136 Destination Host Unreachable
>    ^C
>
> 另外，通过有线连接路由器依旧可以正常上网，Android 手机也可以通过 Wi-Fi 上网。只有 Ubuntu 笔记本用 Wi-Fi
> 的时候网络不正常。请求帮助。
>
> 谢谢！
>
> --------
> Regards,
> Yang Yang

已经确定是网卡驱动的兼容性问题。现在不再使用博通网卡的私有驱动，所以已经基本稳定。但是连接后无法 ping 网关的情况还是在发生。

所以打算再去换一块笔记本网卡，不知道在 Linux 驱动比较好好的 PCI-E 网卡有哪些？INTEL 6300AGN 是否合适？

--------
Regards,
Yang Yang