Ubuntu
linux package

Numerous errors in kernel log about iwlwifi "Microcode SW error"

Bug #2031543 reported by Oded Arbel on 2023-08-16

This bug affects 3 people

Affects		Status	Importance	Assigned to	Milestone
	linux (Ubuntu)	Confirmed	Undecided	Unassigned

Bug Description

While running a new Dell Precision 5570 with Intel Wi-Fi 6E AX211 (Alder Lake-P PCH CNVi WiFi), I get a lot of these errors in the kernel log:

---8<---
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: WFPM_UMAC_PD_NOTIFICATION: 0x1f
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: WFPM_LMAC2_PD_NOTIFICATION: 0x1f
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: WFPM_AUTH_KEY_0: 0x90
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: CNVI_SCU_SEQ_DATA_DW9: 0x0
Aug 16 17:23:34 vesho kernel: wlp0s20f3: AP b0:4e:26:b4:b7:24 changed bandwidth, new config is 2462.000 MHz, width 2 (2452.000/0 MHz)
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: Microcode SW error detected. Restarting 0x0.
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: Transport status: 0x0000004B, valid: 6
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: Loaded firmware version: 72.a764baac.0 so-a0-gf-a0-72.ucode
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x000002F0 | trm_hw_status0
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x004DAAEE | branchlink2
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00007F38 | interruptlink1
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00007F38 | interruptlink2
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x0000E956 | data1
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000010 | data2
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000000 | data3
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x008166A7 | beacon time
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0xE50A5ADE | tsf low
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000036 | tsf hi
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000000 | time gp1
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x0006F39E | time gp2
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000001 | uCode revision type
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000048 | uCode version major
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0xA764BAAC | uCode version minor
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000370 | hw version
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x18480002 | board version
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x80A5FC18 | hcmd
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x67E28000 | isr0
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x21040000 | isr1
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x48F00002 | isr2
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00C30008 | isr3
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00200000 | isr4
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x0806001C | last cmd Id
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x0000E956 | wait_event
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x000000B4 | l2p_control
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000000 | l2p_duration
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x0000000F | l2p_mhvalid
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00C700D8 | l2p_addr_match
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000009 | lmpm_pmg_sel
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000000 | timestamp
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00007814 | flow_handler
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: Transport status: 0x0000004B, valid: 7
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x20101A27 | ADVANCED_SYSASSERT
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x8045FDF8 | umac branchlink2
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x0106F016 | umac interruptlink1
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac interruptlink2
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00010000 | umac data1
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000001 | umac data2
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0xDEADBEEF | umac data3
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000048 | umac major
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0xA764BAAC | umac minor
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x0006F396 | frame pointer
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0xC0886BBC | stack pointer
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x0059050F | last host cmd
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000000 | isr status reg
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: IML/ROM dump:
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000B03 | IML/ROM error/state
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x000080CB | IML/ROM data1
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000090 | IML/ROM WFPM_AUTH_KEY_0
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: Fseq Registers:
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x60000100 | FSEQ_ERROR_CODE
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x003E0003 | FSEQ_TOP_INIT_VERSION
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00190002 | FSEQ_CNVIO_INIT_VERSION
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x0000A652 | FSEQ_OTP_VERSION
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000003 | FSEQ_TOP_CONTENT_VERSION
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x4552414E | FSEQ_ALIVE_TOKEN
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00080400 | FSEQ_CNVI_ID
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00400410 | FSEQ_CNVR_ID
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00080400 | CNVI_AUX_MISC_CHIP
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00400410 | CNVR_AUX_MISC_CHIP
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00009061 | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: 0x00000061 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: WRT: Collecting data: ini trigger 4 fired (delay=0ms).
Aug 16 17:23:34 vesho kernel: ieee80211 phy1: Hardware restart was requested
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: FW error in SYNC CMD PHY_CONTEXT_CMD
Aug 16 17:23:34 vesho kernel: CPU: 6 PID: 19607 Comm: kworker/u40:21 Tainted: P W OE 6.2.0-27-generic #28-Ubuntu
Aug 16 17:23:34 vesho kernel: Hardware name: Dell Inc. Precision 5570/0XY988, BIOS 1.15.0 06/08/2023
Aug 16 17:23:34 vesho kernel: Workqueue: phy1 ieee80211_iface_work [mac80211]
Aug 16 17:23:34 vesho kernel: Call Trace:
Aug 16 17:23:34 vesho kernel: <TASK>
Aug 16 17:23:34 vesho kernel: dump_stack_lvl+0x48/0x70
Aug 16 17:23:34 vesho kernel: dump_stack+0x10/0x20
Aug 16 17:23:34 vesho kernel: iwl_trans_txq_send_hcmd_sync+0x1d5/0x370 [iwlwifi]
Aug 16 17:23:34 vesho kernel: ? __pfx_autoremove_wake_function+0x10/0x10
Aug 16 17:23:34 vesho kernel: iwl_trans_txq_send_hcmd+0xb8/0x170 [iwlwifi]
Aug 16 17:23:34 vesho kernel: iwl_trans_send_cmd+0x81/0x110 [iwlwifi]
Aug 16 17:23:34 vesho kernel: iwl_mvm_send_cmd_pdu+0x6f/0xd0 [iwlmvm]
Aug 16 17:23:34 vesho kernel: iwl_mvm_phy_ctxt_apply+0x349/0x430 [iwlmvm]
Aug 16 17:23:34 vesho kernel: iwl_mvm_phy_ctxt_changed+0x9a/0x130 [iwlmvm]
Aug 16 17:23:34 vesho kernel: iwl_mvm_change_chanctx+0x145/0x1a0 [iwlmvm]
Aug 16 17:23:34 vesho kernel: drv_change_chanctx+0x57/0x110 [mac80211]
Aug 16 17:23:34 vesho kernel: ieee80211_change_chanctx+0x97/0x170 [mac80211]
Aug 16 17:23:34 vesho kernel: ieee80211_recalc_chanctx_chantype+0x14f/0x1e0 [mac80211]
Aug 16 17:23:34 vesho kernel: ? cfg80211_chandef_usable+0xc4/0x4d0 [cfg80211]
Aug 16 17:23:34 vesho kernel: ieee80211_link_change_bandwidth+0xcb/0x1a0 [mac80211]
Aug 16 17:23:34 vesho kernel: ieee80211_config_bw.constprop.0+0x1fa/0x520 [mac80211]
Aug 16 17:23:34 vesho kernel: ? rht_key_get_hash.isra.0+0x16/0x30 [mac80211]
Aug 16 17:23:34 vesho kernel: ? __rhashtable_lookup.isra.0+0xfb/0x140 [mac80211]
Aug 16 17:23:34 vesho kernel: ieee80211_rx_mgmt_beacon+0x891/0xd30 [mac80211]
Aug 16 17:23:34 vesho kernel: ? update_load_avg+0x82/0x810
Aug 16 17:23:34 vesho kernel: ? newidle_balance+0x325/0x4b0
Aug 16 17:23:34 vesho kernel: ieee80211_sta_rx_queued_mgmt+0x1c6/0x4a0 [mac80211]
Aug 16 17:23:34 vesho kernel: ieee80211_iface_process_skb+0x215/0x2d0 [mac80211]
Aug 16 17:23:34 vesho kernel: ieee80211_iface_work+0xb2/0x1a0 [mac80211]
Aug 16 17:23:34 vesho kernel: process_one_work+0x222/0x430
Aug 16 17:23:34 vesho kernel: worker_thread+0x50/0x3e0
Aug 16 17:23:34 vesho kernel: ? __pfx_worker_thread+0x10/0x10
Aug 16 17:23:34 vesho kernel: kthread+0xe6/0x110
Aug 16 17:23:34 vesho kernel: ? __pfx_kthread+0x10/0x10
Aug 16 17:23:34 vesho kernel: ret_from_fork+0x29/0x50
Aug 16 17:23:34 vesho kernel: </TASK>
Aug 16 17:23:34 vesho kernel: iwlwifi 0000:00:14.3: PHY ctxt cmd error. ret=-5
Aug 16 17:23:35 vesho kernel: iwlwifi 0000:00:14.3: Failed to send MAC context (action:2): -5
Aug 16 17:23:35 vesho kernel: iwlwifi 0000:00:14.3: failed to update MAC 38:7a:0e:dd:31:a0
Aug 16 17:23:35 vesho kernel: iwlwifi 0000:00:14.3: WFPM_UMAC_PD_NOTIFICATION: 0x1f
Aug 16 17:23:35 vesho kernel: iwlwifi 0000:00:14.3: WFPM_LMAC2_PD_NOTIFICATION: 0x1f
Aug 16 17:23:35 vesho kernel: iwlwifi 0000:00:14.3: WFPM_AUTH_KEY_0: 0x90
Aug 16 17:23:35 vesho kernel: iwlwifi 0000:00:14.3: CNVI_SCU_SEQ_DATA_DW9: 0x0
---8<---

When there's a lot of network traffic, this happens a lot and also I feel it affects the network performance with what feels like the network pausing for a bit.
---
ProblemType: Bug
ApportVersion: 2.26.1-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: odeda 2991 F.... wireplumber
/dev/snd/seq: odeda 2985 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: pass
CurrentDesktop: KDE
DistroRelease: KDE neon 22.04
InstallationDate: Installed on 2022-08-28 (357 days ago)
InstallationMedia: Kubuntu 22.10 "Kinetic Kudu" - Alpha amd64 (20220828)
MachineType: Dell Inc. Precision 5570
NonfreeKernelModules: nvidia_modeset nvidia
Package: linux (not installed)
ProcFB: 0 i915drmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-6.2.0-27-generic root=UUID=2886a665-f535-496e-a543-13c62983b0da ro rootflags=subvol=@ quiet splash video=DP-3:panel_orientation=left_side_up vt.handoff=7
ProcVersionSignature: Ubuntu 6.2.0-27.28-generic 6.2.15
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
linux-restricted-modules-6.2.0-27-generic N/A
linux-backports-modules-6.2.0-27-generic N/A
linux-firmware 20230323.gitbcdcfbcf-0ubuntu1.5
Tags: jammy wayland-session
Uname: Linux 6.2.0-27-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip docker libvirt lpadmin lxd plugdev sambashare sudo wireshark
_MarkForUpload: True
dmi.bios.date: 07/07/2023
dmi.bios.release: 1.16
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.16.0
dmi.board.name: 0XY988
dmi.board.vendor: Dell Inc.
dmi.board.version: A00
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.:bvr1.16.0:bd07/07/2023:br1.16:svnDellInc.:pnPrecision5570:pvr:rvnDellInc.:rn0XY988:rvrA00:cvnDellInc.:ct10:cvr:sku0B1A:
dmi.product.family: Precision
dmi.product.name: Precision 5570
dmi.product.sku: 0B1A
dmi.sys.vendor: Dell Inc.

See original description

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