update: I found there is process keep running and keep change something, it is cpufrequed. so, I tried to remove this package, I found the wireless card work for me again. so, not sure whether the "cpufrequed" effected this bug.
if you guys have installed this application too, so, please tried to remove it, and try again. -- (Intrepid) Wifi stops working unpredictably, Intel 5300 https://bugs.launchpad.net/bugs/381457 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
