[CentOS] CentOS 7.2 laptop wireless Intel Corporation Centrino Wireless-N 2230 (rev c4)

Philip V pv.bugzilla+centos at gmail.com
Thu Apr 14 19:44:57 UTC 2016


> Could you post the output of      dmesg | grep iwlwifi

Thanks Brandon and everyone -- to skip reboot I hope it is sufficient to execute
sudo grep iwlwifi  [CentOSpartition]/var/log/messages
(you can see several reboots and my attempts to experiment)

Apr 12 16:16:48 localhost kernel: iwlwifi 0000:08:00.0: can't disable
ASPM; OS doesn't have ASPM control
Apr 12 16:16:48 localhost kernel: iwlwifi 0000:08:00.0: loaded
firmware version 18.168.6.1 op_mode iwldvm
Apr 12 16:16:48 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUG disabled
Apr 12 16:16:48 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUGFS enabled
Apr 12 16:16:48 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEVICE_TRACING disabled
Apr 12 16:16:48 localhost kernel: iwlwifi 0000:08:00.0: Detected
Intel(R) Centrino(R) Wireless-N 2230 BGN, REV=0xC8
Apr 12 16:16:48 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 12 16:16:48 localhost NetworkManager[1033]: <info>  rfkill0: found
WiFi radio killswitch (at
/sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0/ieee80211/phy0/rfkill0)
(driver iwlwifi)
Apr 12 16:16:48 localhost NetworkManager[1033]: <info>  (wlp8s0): new
Generic device (carrier: OFF, driver: 'iwlwifi', ifindex: 3)
Apr 12 16:22:02 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to disable radio.
Apr 12 16:22:12 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to enable radio.
Jun  1 07:03:35 localhost kernel: iwlwifi 0000:08:00.0: can't disable
ASPM; OS doesn't have ASPM control
Jun  1 07:03:35 localhost kernel: iwlwifi 0000:08:00.0: loaded
firmware version 18.168.6.1 op_mode iwldvm
Jun  1 07:03:35 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUG disabled
Jun  1 07:03:35 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUGFS enabled
Jun  1 07:03:35 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEVICE_TRACING disabled
Jun  1 07:03:35 localhost kernel: iwlwifi 0000:08:00.0: Detected
Intel(R) Centrino(R) Wireless-N 2230 BGN, REV=0xC8
Jun  1 07:03:35 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Jun  1 07:03:36 localhost NetworkManager[1031]: <info>  rfkill0: found
WiFi radio killswitch (at
/sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0/ieee80211/phy0/rfkill0)
(driver iwlwifi)
Jun  1 07:03:36 localhost NetworkManager[1031]: <info>  (wlp8s0): new
Generic device (carrier: OFF, driver: 'iwlwifi', ifindex: 3)
Apr 12 18:22:21 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to disable radio.
Apr 12 18:22:25 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to enable radio.
Apr 12 19:28:13 localhost NetworkManager[20019]: <info>  rfkill0:
found WiFi radio killswitch (at
/sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0/ieee80211/phy0/rfkill0)
(driver iwlwifi)
Apr 12 19:28:13 localhost NetworkManager[20019]: <info>  (wlp8s0): new
Generic device (carrier: OFF, driver: 'iwlwifi', ifindex: 3)
Apr 12 19:29:58 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to disable radio.
Apr 12 19:30:06 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to enable radio.
Apr 13 13:04:56 localhost kernel: iwlwifi 0000:08:00.0: can't disable
ASPM; OS doesn't have ASPM control
Apr 13 13:04:56 localhost kernel: iwlwifi 0000:08:00.0: loaded
firmware version 18.168.6.1 op_mode iwldvm
Apr 13 13:04:56 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUG disabled
Apr 13 13:04:56 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUGFS enabled
Apr 13 13:04:56 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEVICE_TRACING disabled
Apr 13 13:04:56 localhost kernel: iwlwifi 0000:08:00.0: Detected
Intel(R) Centrino(R) Wireless-N 2230 BGN, REV=0xC8
Apr 13 13:04:56 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 13:04:56 localhost NetworkManager[1031]: <info>  rfkill0: found
WiFi radio killswitch (at
/sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0/ieee80211/phy0/rfkill0)
(driver iwlwifi)
Apr 13 13:04:56 localhost NetworkManager[1031]: <info>  (wlp8s0): new
Generic device (carrier: OFF, driver: 'iwlwifi', ifindex: 3)
Apr 13 13:05:50 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to disable radio.
Apr 13 13:05:57 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to enable radio.
Apr 13 13:06:36 localhost kernel: iwlwifi 0000:08:00.0: can't disable
ASPM; OS doesn't have ASPM control
Apr 13 13:06:36 localhost kernel: iwlwifi 0000:08:00.0: loaded
firmware version 18.168.6.1 op_mode iwldvm
Apr 13 13:06:36 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUG disabled
Apr 13 13:06:36 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUGFS enabled
Apr 13 13:06:36 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEVICE_TRACING disabled
Apr 13 13:06:36 localhost kernel: iwlwifi 0000:08:00.0: Detected
Intel(R) Centrino(R) Wireless-N 2230 BGN, REV=0xC8
Apr 13 13:06:36 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 13:06:37 localhost NetworkManager[1028]: <info>  rfkill0: found
WiFi radio killswitch (at
/sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0/ieee80211/phy0/rfkill0)
(driver iwlwifi)
Apr 13 13:06:37 localhost NetworkManager[1028]: <info>  (wlp8s0): new
Generic device (carrier: OFF, driver: 'iwlwifi', ifindex: 3)
Apr 13 14:21:58 localhost kernel: iwlwifi 0000:08:00.0: can't disable
ASPM; OS doesn't have ASPM control
Apr 13 14:21:58 localhost kernel: iwlwifi 0000:08:00.0: loaded
firmware version 18.168.6.1 op_mode iwldvm
Apr 13 14:21:58 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUG disabled
Apr 13 14:21:58 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUGFS enabled
Apr 13 14:21:58 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEVICE_TRACING disabled
Apr 13 14:21:58 localhost kernel: iwlwifi 0000:08:00.0: Detected
Intel(R) Centrino(R) Wireless-N 2230 BGN, REV=0xC8
Apr 13 14:21:58 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 14:21:58 localhost NetworkManager[1031]: <info>  rfkill0: found
WiFi radio killswitch (at
/sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0/ieee80211/phy0/rfkill0)
(driver iwlwifi)
Apr 13 14:21:58 localhost NetworkManager[1031]: <info>  (wlp8s0): new
Generic device (carrier: OFF, driver: 'iwlwifi', ifindex: 3)
Apr 13 14:29:33 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 14:29:33 localhost kernel: iwlwifi 0000:08:00.0: Radio type=0x2-0x0-0x0
Apr 13 14:29:33 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 14:29:33 localhost kernel: iwlwifi 0000:08:00.0: Radio type=0x2-0x0-0x0
Apr 13 14:41:12 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to disable radio.
Apr 13 14:41:12 localhost kernel: iwlwifi 0000:08:00.0: Not sending
command - RF KILL
Apr 13 14:41:12 localhost kernel: iwlwifi 0000:08:00.0: Not sending
command - RF KILL
Apr 13 14:41:21 localhost kernel: iwlwifi 0000:08:00.0: RF_KILL bit
toggled to enable radio.
Apr 13 14:49:13 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 14:49:13 localhost kernel: iwlwifi 0000:08:00.0: Radio type=0x2-0x0-0x0
Apr 13 14:49:14 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 14:49:14 localhost kernel: iwlwifi 0000:08:00.0: Radio type=0x2-0x0-0x0
Apr 13 14:54:21 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 14:54:21 localhost kernel: iwlwifi 0000:08:00.0: Radio type=0x2-0x0-0x0
Apr 13 14:54:22 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 14:54:22 localhost kernel: iwlwifi 0000:08:00.0: Radio type=0x2-0x0-0x0
Apr 13 15:15:50 localhost NetworkManager[8313]: <info>  rfkill0: found
WiFi radio killswitch (at
/sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0/ieee80211/phy0/rfkill0)
(driver iwlwifi)
Apr 13 15:15:50 localhost NetworkManager[8313]: <info>  (wlp8s0): new
Generic device (carrier: OFF, driver: 'iwlwifi', ifindex: 3)
Apr 13 15:19:32 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 15:19:32 localhost kernel: iwlwifi 0000:08:00.0: Radio type=0x2-0x0-0x0
Apr 13 15:19:32 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 15:19:32 localhost kernel: iwlwifi 0000:08:00.0: Radio type=0x2-0x0-0x0
Apr 13 15:25:08 localhost kernel: iwlwifi 0000:08:00.0: can't disable
ASPM; OS doesn't have ASPM control
Apr 13 15:25:08 localhost kernel: iwlwifi 0000:08:00.0: loaded
firmware version 18.168.6.1 op_mode iwldvm
Apr 13 15:25:08 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUG disabled
Apr 13 15:25:08 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEBUGFS enabled
Apr 13 15:25:08 localhost kernel: iwlwifi 0000:08:00.0:
CONFIG_IWLWIFI_DEVICE_TRACING disabled
Apr 13 15:25:08 localhost kernel: iwlwifi 0000:08:00.0: Detected
Intel(R) Centrino(R) Wireless-N 2230 BGN, REV=0xC8
Apr 13 15:25:08 localhost kernel: iwlwifi 0000:08:00.0: L1 Enabled -
LTR Disabled
Apr 13 15:25:09 localhost NetworkManager[1029]: <info>  rfkill0: found
WiFi radio killswitch (at
/sys/devices/pci0000:00/0000:00:1c.1/0000:08:00.0/ieee80211/phy0/rfkill0)
(driver iwlwifi)
Apr 13 15:25:09 localhost NetworkManager[1029]: <info>  (wlp8s0): new
Generic device (carrier: OFF, driver: 'iwlwifi', ifindex: 4)


On Thu, Apr 14, 2016 at 1:17 AM, Brandon Vincent
<Brandon.Vincent at asu.edu> wrote:
> On Wed, Apr 13, 2016 at 7:42 PM, Philip V <pv.bugzilla+centos at gmail.com> wrote:
>> 1. How do I get this working?  I am happy to work with command line tools.
>
> Could you post the output of:
>
> dmesg | grep iwlwifi
>
> Brandon Vincent
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