Appears to be a bug in the driver. We see the following messages in the syslog on resume.
Jul 6 23:16:23 zayed-deb-ESPRIMO-Mobile-U9200 NetworkManager[874]: <info> (wlan0): bringing up device. Jul 6 23:16:23 zayed-deb-ESPRIMO-Mobile-U9200 kernel: [ 6534.788009] iwl3945 0000:06:00.0: MAC is in deep sleep!. CSR_GP_CNTRL = 0xFFFFFFFF Jul 6 23:16:24 zayed-deb-ESPRIMO-Mobile-U9200 kernel: last message repeated 5 times ** Package changed: network-manager (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1021904 Title: Sometimes Wi-Fi does not work after resume from suspend -- Intel PRO/Wireless 3945ABG iwl3945 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1021904/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
