Comment # 6 on bug 1142128 from Roger Whittaker

I was affected by this and the package kernel-firmware-20190712-274.1.noarch
from the above location did not fix it for me.

I see:

2019-07-19T15:44:05.292308+01:00 tweedledum kernel: [  329.449002] iwlwifi
0000:3b:00.0: Microcode SW error detected. Restarting 0x0.
2019-07-19T15:44:05.292339+01:00 tweedledum kernel: [  329.451281] iwlwifi
0000:3b:00.0: Start IWL Error Log Dump:
2019-07-19T15:44:05.292342+01:00 tweedledum kernel: [  329.451285] iwlwifi
0000:3b:00.0: Status: 0x00000100, count: 6
2019-07-19T15:44:05.292344+01:00 tweedledum kernel: [  329.451287] iwlwifi
0000:3b:00.0: Loaded firmware version: 46.0e6a7071.0
2019-07-19T15:44:05.292348+01:00 tweedledum kernel: [  329.451291] iwlwifi
0000:3b:00.0: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL    
2019-07-19T15:44:05.292350+01:00 tweedledum kernel: [  329.451294] iwlwifi
0000:3b:00.0: 0x00A022F0 | trm_hw_status0
2019-07-19T15:44:05.292352+01:00 tweedledum kernel: [  329.451297] iwlwifi
0000:3b:00.0: 0x00000000 | trm_hw_status1
2019-07-19T15:44:05.292354+01:00 tweedledum kernel: [  329.451299] iwlwifi
0000:3b:00.0: 0x00488116 | branchlink2
2019-07-19T15:44:05.292356+01:00 tweedledum kernel: [  329.451301] iwlwifi
0000:3b:00.0: 0x0047934E | interruptlink1
[...etc]

Reverting to the older kernel-firmware-20190618-2.1.noarch.rpm did fix it for
me.

  Model: "Intel Wireless-AC 9260"
  Vendor: pci 0x8086 "Intel Corporation"
  Device: pci 0x2526 "Wireless-AC 9260"
  SubVendor: pci 0x8086 "Intel Corporation"
  SubDevice: pci 0x4010
  Revision: 0x29
  Driver: "iwlwifi"