My wifi card kept spamming kernel log with messages like this: "phy0 -> rt2500pci_set_device_state: Error - Device failed to enter state 1 (-16)". The solution is easily found among launchpad bug reports. Power management needs to be turned off for the card. It's easy to do:
iwconfig wlan0 power off
- To make it permanent edit /etc/rc.local adding this line before exit 0. Reboot and you're done! Confirm that with calling iwconfig:
- lo no wireless extensions.
wlan0 IEEE 802.11bg ESSID:"TP69"
Mode:Managed Frequency:2.422 GHz Access Point: 00:23:CD:15:F2:A0 Power Management:off Link Quality=60/70 Signal level=-50 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
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