我已升级到 ubuntu 16 ，然后我遇到了 wifi 问题，因为它无法正常工作，并在尝试进行开发时给我消息“设备未准备好”
$sudo ip link set wlo1 up
RTNETLINK answers: Operation not possible due to RF-kill
设备被阻止，所以我取消阻止它，然后我收到一条不同的消息
$sudo rfkill unblock wifi
sudo ip link set wlo1 up
RTNETLINK answers: Input/output error
我发现加载模块rt2800pci有问题，dmesg的输出包含该错误
[ 1418.415901] ieee80211 phy0: rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x00000068]
[ 1420.015845] ieee80211 phy0: rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x00000068]
[ 1420.015851] ieee80211 phy0: rt2800pci_set_device_state: Error - Device failed to enter state 4 (-5)
[ 1421.635703] ieee80211 phy0: …