Comment 6 for bug 1558252

I was able to trigger this again today on 4.4.0-16:

[ 13.665350] iwlwifi 0000:04:00.0: Unsupported splx structure
[ 13.678584] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-19.ucode failed with error -2
[ 13.679439] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-18.ucode failed with error -2
[ 13.681595] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-17.ucode failed with error -2
[ 13.696430] iwlwifi 0000:04:00.0: loaded firmware version 16.242414.0 op_mode iwlmvm
[ 13.738654] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208
[ 13.739014] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 13.739585] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 13.741861] iwlwifi 0000:04:00.0: can't access the RSA semaphore it is write protected
[ 14.761845] iwlwifi 0000:04:00.0: SecBoot CPU1 Status: 0x3090001, CPU2 Status: 0x0
[ 14.761849] iwlwifi 0000:04:00.0: Failed to start INIT ucode: -110
[ 14.762365] iwlwifi 0000:04:00.0: Failed to run INIT ucode: -110
[ 14.762575] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 48.788008] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-19.ucode failed with error -2
[ 48.788016] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-18.ucode failed with error -2
[ 48.788023] iwlwifi 0000:04:00.0: Direct firmware load for iwlwifi-8000C-17.ucode failed with error -2
[ 48.788854] iwlwifi 0000:04:00.0: loaded firmware version 16.242414.0 op_mode iwlmvm
[ 48.788916] iwlwifi 0000:04:00.0: Unsupported splx structure
[ 48.793638] iwlwifi 0000:04:00.0: Detected Intel(R) Dual Band Wireless AC 8260, REV=0x208
[ 48.793949] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 48.794322] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 48.795508] iwlwifi 0000:04:00.0: can't access the RSA semaphore it is write protected
[ 48.953491] ieee80211 phy1: Selected rate control algorithm 'iwl-mvm-rs'
[ 48.955333] iwlwifi 0000:04:00.0 wlp4s0: renamed from wlan0
[ 48.976863] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 48.977285] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 48.978049] iwlwifi 0000:04:00.0: can't access the RSA semaphore it is write protected
[ 49.124083] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 49.124547] iwlwifi 0000:04:00.0: L1 Enabled - LTR Enabled
[ 49.125305] iwlwifi 0000:04:00.0: can't access the RSA semaphore it is write protected