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So after numerous wipes of NetworkManager and WICD as well as a few hacks I've still yet to 100% fix my wireless. When I boot-up my computer Ethernet and Wireless do not work. If I remove all my old wireless configs (right click on nm-applet->edit connections, then hit delete for all wifi) and I then re-create the exact same config my wifi works. I think network manager is unable to save my wifi passwords. My ethernet will not work on bootup without running (in root user):
echo on > "/sys/bus/pci/devices/0000:00:19.0/power/control" For some background information, I'm running Arch on an EliteBook 8540w running Openbox & SLiM w/an Intel 6300N wifi card.
I've got a few warnings in my NetworkManager log, below is the worry-some output from: journalctl _SYSTEMD_UNIT=NetworkManager.service
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> rfkill0: found WiFi radio killswitch (at /sys/devices/pci0000:00/0000:00:1c.3/0000:44:00.0/ieee80211/phy0/rfkill0) (driver iwlwifi)
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> rfkill1: found WiFi radio killswitch (at /sys/devices/platform/hp-wmi/rfkill/rfkill1) (platform driver hp-wmi)
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> WiFi hardware radio set enabled
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> WiFi enabled by radio killswitch; enabled by state file
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> WWAN enabled by radio killswitch; enabled by state file
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> WiMAX enabled by radio killswitch; enabled by state file
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> Networking is enabled by state file
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <warn> failed to allocate link cache: (-10) Operation not supported
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (enp0s25): carrier is OFF
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (enp0s25): new Ethernet device (driver: 'e1000e' ifindex: 2)
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (enp0s25): exported as /org/freedesktop/NetworkManager/Devices/0
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (enp0s25): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (enp0s25): preparing device.
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (enp0s25): deactivating device (reason 'managed') [2]
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> Added default wired connection 'Wired connection 1' for /sys/devices/pci0000:00/0000:00:19.0/net/enp0s25
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (wlo1): using nl80211 for WiFi device control
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (wlo1): new 802.11 WiFi device (driver: 'iwlwifi' ifindex: 3)
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (wlo1): exported as /org/freedesktop/NetworkManager/Devices/1
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (wlo1): device state change: unmanaged -> unavailable (reason 'managed') [10 20 2]
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (wlo1): preparing device.
Apr 02 15:26:12 colin-laptop NetworkManager[984]: <info> (wlo1): deactivating device (reason 'managed') [2]
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Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> (wlo1): device state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> Activation (wlo1) Stage 1 of 5 (Device Prepare) scheduled...
Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> Activation (wlo1) Stage 1 of 5 (Device Prepare) started...
Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> Activation (wlo1) Stage 2 of 5 (Device Configure) scheduled...
Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> Activation (wlo1) Stage 1 of 5 (Device Prepare) complete.
Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> Activation (wlo1) Stage 2 of 5 (Device Configure) starting...
Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> (wlo1): device state change: prepare -> config (reason 'none') [40 50 0]
Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> Activation (wlo1/wireless): access point 'GTwpa' has security, but secrets are required.
Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> (wlo1): device state change: config -> need-auth (reason 'none') [50 60 0]
Apr 02 15:44:16 colin-laptop NetworkManager[2651]: <info> Activation (wlo1) Stage 2 of 5 (Device Configure) complete.Offline
Hey this isn't exactly an answer, but I have an Elitebook too (2760p). Not sure how much hardware it shares with yours. I'm going to take some time this weekend and try to iron out all my wifi issues though, and if I discover anything relevant I'll post back here.
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OK, this is probably less than helpful but I uninstalled everything network-management related and installed wicd, and it works great for me.
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I found the problem. I recently uninstalled (purged) gnome-keyring. After I reinstalled gnome-keyring, my issues seemed to have gone away.
So I guess I must not have purged everything...or it needs to have it installed.
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