This has been fixed in upstream stable linux v5.15.33:
* a2095c3e0309 iwlwifi: mvm: Fix an error code in iwl_mvm_up()
* 01e36bdb95e7 iwlwifi: Fix -EIO error code that is never returned
* a3bb5cda4fed iwlwifi: yoyo: remove DBGI_SRAM address reset writing
* 06511eed8177 iwlwifi: mvm: align locking in D3 test debugfs
* ec9b77481aaf iwlwifi: mvm: don't iterate unadded vifs when handling FW SMPS
req
* 21053d707480 iwlwifi: mvm: Don't call iwl_mvm_sta_from_mac80211() with NULL
sta
which have been applied to linux-oem-5.14 version -1035 in bug 1969892.
** Changed in: linux-oem-5.14 (Ubuntu Focal)
Status: Triaged => Fix Released
** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Invalid
** Changed in: hwe-next
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1966641
Title:
[8086:51f0] Sub [8086:4090] AX211 iwlwifi nvm parsing failed warning
Status in HWE Next:
Fix Released
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux-oem-5.14 source package in Focal:
Fix Released
Bug description:
[Summary]
kernel: ------------[ cut here ]------------
kernel: WARNING: CPU: 13 PID: 903 at
drivers/net/wireless/intel/iwlwifi/iwl-nvm-parse.c:1299
iwl_parse_nvm_mcc_info+0x4e1/0x720 [iwlwifi]
kernel: Modules linked in: snd_sof_pci_intel_tgl dell_rbtn
snd_sof_intel_hda_common soundwire_intel snd_ctl_led
soundwire_generic_allocation snd_hda_codec_realtek soundwire_>
kernel: crypto_simd cryptd rapl intel_cstate industrialio input_leds
firmware_attributes_class dell_wmi_descriptor processor_thermal_device
processor_thermal_rfim mei_me uc>
kernel: crc32_pclmul psmouse syscopyarea sysfillrect sysimgblt fb_sys_fops
cec ahci rc_core libahci i2c_i801 intel_lpss_pci rtsx_pci intel_lpss
thunderbolt i2c_smbus drm id>
kernel: CPU: 13 PID: 903 Comm: NetworkManager Tainted: P O 5.14.0-1027-oem
#30-Ubuntu
......
kernel: iwl_mvm_get_regdomain+0xe2/0x1d0 [iwlmvm]
kernel: iwl_mvm_get_current_regdomain+0x4c/0x50 [iwlmvm]
kernel: iwl_mvm_init_mcc+0x81/0x1d0 [iwlmvm]
kernel: iwl_mvm_up+0x87a/0xd70 [iwlmvm]
[Reproduce Steps]
1. Boot into Ubuntu
2. $ journalctl -k, to check kernel log
3. Got NVM parsing warning
[Results]
Expected: Should not have Parsing warning
Actual: Got parsing warning
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