I'm still seeing it every boot and wake from suspend with 5.3.0-rc7 as well, on an 8260 controller.
[ 9.866194] flap.local kernel: iwlwifi 0000:6c:00.0: Microcode SW error detected. Restarting 0x2000000. [ 9.866330] flap.local kernel: iwlwifi 0000:6c:00.0: Start IWL Error Log Dump: [ 9.866331] flap.local kernel: iwlwifi 0000:6c:00.0: Status: 0x00000080, count: 6 [ 9.866332] flap.local kernel: iwlwifi 0000:6c:00.0: Loaded firmware version: 36.77d01142.0 [ 9.866334] flap.local kernel: iwlwifi 0000:6c:00.0: 0x00000038 | BAD_COMMAND ... [ 9.867069] flap.local kernel: iwlwifi 0000:6c:00.0: FW error in SYNC CMD GEO_TX_POWER_LIMIT ... [ 9.867192] flap.local kernel: WARNING: CPU: 2 PID: 685 at drivers/net/wireless/intel/iwlwifi/mvm/scan.c:1874 iwl_mvm_rx_umac_scan_complete_notif.cold+0xc> [ 9.867237] flap.local kernel: CPU: 2 PID: 685 Comm: kworker/2:5 Not tainted 5.3.0-0.rc7.git0.1.fc31.x86_64 #1
And kernel is then tainted 512.
I'm still seeing it every boot and wake from suspend with 5.3.0-rc7 as well, on an 8260 controller.
[ 9.866194] flap.local kernel: iwlwifi 0000:6c:00.0: Microcode SW error detected. Restarting 0x2000000. net/wireless/ intel/iwlwifi/ mvm/scan. c:1874 iwl_mvm_ rx_umac_ scan_complete_ notif.cold+ 0xc> rc7.git0. 1.fc31. x86_64 #1
[ 9.866330] flap.local kernel: iwlwifi 0000:6c:00.0: Start IWL Error Log Dump:
[ 9.866331] flap.local kernel: iwlwifi 0000:6c:00.0: Status: 0x00000080, count: 6
[ 9.866332] flap.local kernel: iwlwifi 0000:6c:00.0: Loaded firmware version: 36.77d01142.0
[ 9.866334] flap.local kernel: iwlwifi 0000:6c:00.0: 0x00000038 | BAD_COMMAND
...
[ 9.867069] flap.local kernel: iwlwifi 0000:6c:00.0: FW error in SYNC CMD GEO_TX_POWER_LIMIT
...
[ 9.867192] flap.local kernel: WARNING: CPU: 2 PID: 685 at drivers/
[ 9.867237] flap.local kernel: CPU: 2 PID: 685 Comm: kworker/2:5 Not tainted 5.3.0-0.
And kernel is then tainted 512.