Comment 0 for bug 1845138

Upon trying to connect to AX networks, iwlwifi gives following error messages and hardware reset:

[ 119.519216] wlp0s20f3: associate with 04:d4:c4:4f:7a:f0 (try 1/3)
[ 119.544110] wlp0s20f3: RX AssocResp from 04:d4:c4:4f:7a:f0 (capab=0x401 status=0 aid=1)
[ 119.545345] iwlwifi 0000:00:14.3: Got NSS = 4 - trimming to 2
[ 119.744715] iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
[ 119.744864] iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
[ 119.744867] iwlwifi 0000:00:14.3: Status: 0x00000100, count: 6
[ 119.744870] iwlwifi 0000:00:14.3: Loaded firmware version: 48.13675109.0
[ 119.744873] iwlwifi 0000:00:14.3: 0x00004460 | ADVANCED_SYSASSERT
[ 119.744875] iwlwifi 0000:00:14.3: 0x008022F3 | trm_hw_status0
[ 119.744877] iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1
[ 119.744878] iwlwifi 0000:00:14.3: 0x004CA458 | branchlink2
[ 119.744880] iwlwifi 0000:00:14.3: 0x004B5438 | interruptlink1
[ 119.744882] iwlwifi 0000:00:14.3: 0x004B5438 | interruptlink2
[ 119.744884] iwlwifi 0000:00:14.3: 0x000006D4 | data1
[ 119.744886] iwlwifi 0000:00:14.3: 0x000006D4 | data2
[ 119.744887] iwlwifi 0000:00:14.3: 0xDEADBEEF | data3
[ 119.744889] iwlwifi 0000:00:14.3: 0x04C03323 | beacon time
[ 119.744891] iwlwifi 0000:00:14.3: 0xCCD054DB | tsf low
[ 119.744893] iwlwifi 0000:00:14.3: 0x0000086B | tsf hi
[ 119.744894] iwlwifi 0000:00:14.3: 0x00000000 | time gp1
[ 119.744896] iwlwifi 0000:00:14.3: 0x06AD2957 | time gp2
[ 119.744898] iwlwifi 0000:00:14.3: 0x00000001 | uCode revision type
[ 119.744899] iwlwifi 0000:00:14.3: 0x00000030 | uCode version major
[ 119.744901] iwlwifi 0000:00:14.3: 0x13675109 | uCode version minor
[ 119.744903] iwlwifi 0000:00:14.3: 0x00000332 | hw version
[ 119.744905] iwlwifi 0000:00:14.3: 0x18C89008 | board version
[ 119.744906] iwlwifi 0000:00:14.3: 0x802AFC04 | hcmd
[ 119.744908] iwlwifi 0000:00:14.3: 0x66F60400 | isr0
[ 119.744910] iwlwifi 0000:00:14.3: 0x61004000 | isr1
[ 119.744911] iwlwifi 0000:00:14.3: 0x18F00002 | isr2
[ 119.744913] iwlwifi 0000:00:14.3: 0x04C1FFDD | isr3
[ 119.744915] iwlwifi 0000:00:14.3: 0x00000000 | isr4
[ 119.744916] iwlwifi 0000:00:14.3: 0x0201001C | last cmd Id
[ 119.744918] iwlwifi 0000:00:14.3: 0x00016D64 | wait_event
[ 119.744920] iwlwifi 0000:00:14.3: 0x00000080 | l2p_control
[ 119.744922] iwlwifi 0000:00:14.3: 0x00001C20 | l2p_duration
[ 119.744923] iwlwifi 0000:00:14.3: 0x0000003F | l2p_mhvalid
[ 119.744925] iwlwifi 0000:00:14.3: 0x000000CE | l2p_addr_match
[ 119.744927] iwlwifi 0000:00:14.3: 0x0000000B | lmpm_pmg_sel
[ 119.744928] iwlwifi 0000:00:14.3: 0x00000000 | timestamp
[ 119.744930] iwlwifi 0000:00:14.3: 0x00009074 | flow_handler
[ 119.744987] iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
[ 119.744989] iwlwifi 0000:00:14.3: Status: 0x00000100, count: 7
[ 119.744991] iwlwifi 0000:00:14.3: 0x20000034 | NMI_INTERRUPT_WDG
[ 119.744993] iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1
[ 119.744995] iwlwifi 0000:00:14.3: 0xC008D49C | umac branchlink2
[ 119.744997] iwlwifi 0000:00:14.3: 0x8048F20C | umac interruptlink1
[ 119.744998] iwlwifi 0000:00:14.3: 0xC00869FC | umac interruptlink2
[ 119.745000] iwlwifi 0000:00:14.3: 0x00000004 | umac data1
[ 119.745001] iwlwifi 0000:00:14.3: 0xC00869FC | umac data2
[ 119.745003] iwlwifi 0000:00:14.3: 0x00000000 | umac data3
[ 119.745005] iwlwifi 0000:00:14.3: 0x00000030 | umac major
[ 119.745006] iwlwifi 0000:00:14.3: 0x13675109 | umac minor
[ 119.745008] iwlwifi 0000:00:14.3: 0x06AD2954 | frame pointer
[ 119.745010] iwlwifi 0000:00:14.3: 0xC0885E24 | stack pointer
[ 119.745012] iwlwifi 0000:00:14.3: 0x00B00507 | last host cmd
[ 119.745013] iwlwifi 0000:00:14.3: 0x00000000 | isr status reg
[ 119.745165] ieee80211 phy0: Hardware restart was requested
[ 119.745274] iwlwifi 0000:00:14.3: FW error in SYNC CMD STA_HE_CTXT_CMD

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-oem-osp1 5.0.0.1023.24
ProcVersionSignature: Ubuntu 5.0.0-1023.25-oem-osp1 5.0.21
Uname: Linux 5.0.0-1023-oem-osp1 x86_64
ApportVersion: 2.20.9-0ubuntu7.6
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Tue Sep 24 02:16:39 2019
DistributionChannelDescriptor:
 # This is the distribution channel descriptor for the OEM CDs
 # For more information see http://wiki.ubuntu.com/DistributionChannelDescriptor
 canonical-oem-somerville-bionic-amd64-20190418-59+beaver-osp1-melisa+X18
InstallationDate: Installed on 2019-09-05 (19 days ago)
InstallationMedia: Ubuntu 18.04 "Bionic" - Build amd64 LIVE Binary 20190418-12:10
ProcEnviron:
 LANG=en_US.UTF-8
 TERM=xterm-256color
 SHELL=/bin/bash
 XDG_RUNTIME_DIR=<set>
 PATH=(custom, no user)
SourcePackage: linux-meta-oem-osp1
UpgradeStatus: No upgrade log present (probably fresh install)