Public bug reported:
After the upgrade to 17.04, the intel wifi driver frequently fails and
requires a reboot to become usable again, I can only use wifi to connect
to the internet with this laptop.
This repeats over and over until the next reboot;
Apr 18 11:00:21 Paul-HP-Laptop NetworkManager[893]: <info> [1492477221.6640]
device (wlo1): Activation: starting connection 'ESGFreeWiFi'
(7e1a25b5-5b47-4f1a-9557-1e4afcd25255)
Apr 18 11:00:21 Paul-HP-Laptop NetworkManager[893]: <info> [1492477221.6645]
audit: op="connection-activate" uuid="7e1a25b5-5b47-4f1a-9557-1e4afcd25255"
name="ESGFreeWiFi" pid=1342 uid=1000 r
Apr 18 11:00:21 Paul-HP-Laptop NetworkManager[893]: <info> [1492477221.6650]
device (wlo1): state change: disconnected -> prepare (reason 'none') [30 40 0]
Apr 18 11:00:21 Paul-HP-Laptop NetworkManager[893]: <info> [1492477221.6655]
manager: NetworkManager state is now CONNECTING
Apr 18 11:00:21 Paul-HP-Laptop NetworkManager[893]: <info> [1492477221.6670]
device (wlo1): set-hw-addr: set-cloned MAC address to 08:D4:0C:EF:9B:4C
(permanent)
Apr 18 11:00:21 Paul-HP-Laptop NetworkManager[893]: <info> [1492477221.6690]
device (wlo1): state change: prepare -> config (reason 'none') [40 50 0]
Apr 18 11:00:21 Paul-HP-Laptop kernel: iwlwifi 0000:05:00.0: L1 Disabled - LTR
Disabled
Apr 18 11:00:21 Paul-HP-Laptop kernel: iwlwifi 0000:05:00.0: L1 Disabled - LTR
Disabled
Apr 18 11:00:22 Paul-HP-Laptop kernel: iwlwifi 0000:05:00.0: Could not load the
[0] uCode section
Apr 18 11:00:22 Paul-HP-Laptop kernel: iwlwifi 0000:05:00.0: Failed to start
INIT ucode: -5
Apr 18 11:00:22 Paul-HP-Laptop kernel: iwlwifi 0000:05:00.0: Failed to run INIT
ucode: -5
Apr 18 11:00:24 Paul-HP-Laptop NetworkManager[893]: <error> [1492477224.3337]
platform-linux: do-change-link[3]: failure changing link: failure 5
(Input/output error)
Apr 18 11:00:24 Paul-HP-Laptop NetworkManager[893]: <info> [1492477224.3338]
device (wlo1): state change: config -> failed (reason 'config-failed') [50 120
4]
Apr 18 11:00:24 Paul-HP-Laptop NetworkManager[893]: <info> [1492477224.3345]
manager: NetworkManager state is now DISCONNECTED
Apr 18 11:00:24 Paul-HP-Laptop NetworkManager[893]: <info> [1492477224.3350]
policy: disabling autoconnect for connection 'ESGFreeWiFi'.
Apr 18 11:00:24 Paul-HP-Laptop NetworkManager[893]: <warn> [1492477224.3389]
device (wlo1): Activation: failed for connection 'ESGFreeWiFi'
Apr 18 11:00:24 Paul-HP-Laptop NetworkManager[893]: <info> [1492477224.3452]
device (wlo1): state change: failed -> disconnected (reason 'none') [120 30 0]
Apr 18 11:00:24 Paul-HP-Laptop NetworkManager[893]: <info> [1492477224.3467]
device (wlo1): set-hw-addr: set MAC address to 26:B7:F9:E5:76:27 (scanning)
Apr 18 11:00:24 Paul-HP-Laptop kernel: IPv6: ADDRCONF(NETDEV_UP): wlo1: link is
not ready
Apr 18 11:00:24 Paul-HP-Laptop wpa_supplicant[1098]: wlo1:
CTRL-EVENT-SCAN-FAILED ret=-100 retry=1
** Affects: kubuntu-meta (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1683552
Title:
Intel wifi recurring failures
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