Unable to access the Internet after networkrestart

After networkrestart, you cannot access the Internet-Linux general technology-Linux technology and application information. For more information, see the following. [I = s] This post was last edited by soar_king

Mm wants to learn linux. Starting with a simple idea, she installed the mandriva 2010.2 and found that she could not access the Internet every time she woke up after sleep.
Initially thought it was a sleep problem, So google and baidu did not find a solution, and later found that it was not a sleep problem, network
After restart, the network will be disconnected, as will happen after ifdown and ifup. The most strange thing is that the system performs normally and shows that the network connection is good,
You can also ping the gateway and the host in the same CIDR block, but cannot ping the Internet ip address. In general, this performance should be caused by a problem in the gateway settings, but check
The gateway configuration in the network settings is correct, and the re-built network configuration still fails. You can only access the Internet after reboot. Where exactly are you?
Problem: I have been crazy for two days.

There is another question to ask, that is, the volume of this book is very small, it is hard to hear clearly when it reaches its maximum, but it wakes up after hibernation,
The volume is as big as it is in windows, but it becomes very small After reboot, which is very strange and cannot be solved for a long time. My other
The same is true for arch. The two models are lenovo and codec is ide92hd81x. The snd_hda_intel driver is used.