The commit 5c38bedac16a ("wifi: iwlwifi: mvm: unify and fix interface
combinations") breaks mvm hard. wlan interface can't be created and even
rmmod fails.
On driver load I get:
WARNING: CPU: 5 PID: 1358 at net/wireless/core.c:689 wiphy_register+0x8ee/0x920 [cfg80211]
Modules linked in: snd_ctl_led snd_soc_skl_hda_dsp(+) snd_soc_hdac_hdmi snd_soc_intel_hda_dsp_common snd_sof_probes snd_hda_codec_realtek snd_hda_codec_generic snd_hda_scodec_compon ent snd_soc_dmic snd_sof_pci_intel_tgl snd_sof_pci_intel_cnl snd_sof_intel_hda_generic soundwire_intel soundwire_cadence snd_sof_intel_hda_common snd_sof_intel_hda_mlink snd_sof_intel_hda snd_sof_pci snd_sof_x tensa_dsp snd_sof snd_sof_utils snd_soc_hdac_hda snd_soc_acpi_intel_match soundwire_generic_allocation snd_soc_acpi soundwire_bus snd_soc_avs snd_soc_hda_codec snd_hda_ext_core intel_uncore_frequency intel_unc ore_frequency_common intel_tcc_cooling snd_soc_core x86_pkg_temp_thermal intel_powerclamp coretemp snd_compress snd_hda_codec_hdmi ac97_bus iwlmvm(+) snd_pcm_dmaengine kvm_intel snd_hda_intel vfat kvm mac80211 snd_intel_dspcfg fat snd_intel_sdw_acpi snd_hda_codec iTCO_wdt nouveau(+) intel_pmc_bxt libarc4 rapl processor_thermal_device_pci intel_rapl_msr mei_wdt iTCO_vendor_support snd_hda_core processor_thermal_devi ce Jul 01 16:15:41 Ohm kernel: snd_hwdep processor_thermal_wt_hint iwlwifi intel_cstate processor_thermal_rfim snd_pcm drm_ttm_helper processor_thermal_rapl gpu_sched intel_rapl_common nxp_nci_i2c snd_timer thin k_lmi(+) intel_uncore pcspkr firmware_attributes_class wmi_bmof nxp_nci snd mei_me processor_thermal_wt_req nci drm_gpuvm cfg80211 i2c_i801 soundcore mei drm_exec processor_thermal_power_floor idma64 i2c_smbus mxm_wmi processor_thermal_mbox nfc intel_pmc_core rfkill int3403_thermal intel_vsec int340x_thermal_zone int3400_thermal pmt_telemetry intel_hid acpi_thermal_rel pmt_class acpi_tad acpi_pad sparse_keymap joyd ev loop fuse nfnetlink mmc_block nvme nvme_core crct10dif_pclmul crc32_pclmul crc32c_intel rtsx_pci_sdmmc polyval_clmulni polyval_generic ghash_clmulni_intel sha512_ssse3 mmc_core sha256_ssse3 hid_multitouch u csi_acpi sha1_ssse3 typec_ucsi thunderbolt rtsx_pci vmd typec i2c_hid_acpi i2c_hid pinctrl_alderlake serio_raw
CPU: 5 PID: 1358 Comm: modprobe Not tainted 6.10.0-rc5-wt+ #17
Hardware name: LENOVO 21D6CTO1WW/21D6CTO1WW, BIOS N3FET34W (1.19 ) 03/10/2023
RIP: 0010:wiphy_register+0x8ee/0x920 [cfg80211]
Code: ef f8 ff ff 0f 0b e9 e8 f8 ff ff 0f 0b e9 e1 f8 ff ff 0f 0b e9 da f8 ff ff bf 01 00 00 00 e9 a4 fc ff ff 0f 0b e9 c9 f8 ff ff <0f> 0b e9 c2 f8 ff ff 0f 0b e9 f1 fe ff ff f7 d1 e9 d4 fe ff ff 0f
RSP: 0018:ffffc9000167f7d0 EFLAGS: 00010297
skl_hda_dsp_generic skl_hda_dsp_generic: hda_dsp_hdmi_build_controls: no PCM in topology for HDMI converter 3
RAX: 0000000000000300 RBX: ffff888121b983c0 RCX: 0000000000000300
RDX: ffffffffc11f2b28 RSI: ffffffffc11f2ae0 RDI: 0000000000000000
RBP: ffffc9000167f840 R08: 0000000000000002 R09: 0000000000000000
R10: 0000000000000003 R11: ffffffffc11f2b10 R12: ffffffffc11f2b28
R13: 0000000000000001 R14: 0000000000000005 R15: 000000000000000c
FS: 00007f9b91560080(0000) GS:ffff88902ee80000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fbbe4015608 CR3: 00000001454da000 CR4: 0000000000f50ef0
PKRU: 55555554
Call Trace:
<TASK>
? wiphy_register+0x8ee/0x920 [cfg80211]
? __warn.cold+0x8e/0xe8
? wiphy_register+0x8ee/0x920 [cfg80211]
? report_bug+0xfb/0x140
? handle_bug+0x3c/0x80
? exc_invalid_op+0x13/0x60
? asm_exc_invalid_op+0x16/0x20
? wiphy_register+0x8ee/0x920 [cfg80211]
? netdev_run_todo+0x60/0x4f0
? kvmalloc_node_noprof+0x36/0xc0
ieee80211_register_hw+0x832/0xd60 [mac80211]
iwl_mvm_mac_setup_register+0xb62/0xd50 [iwlmvm]
iwl_mvm_start_post_nvm+0x5f/0xe0 [iwlmvm]
iwl_op_mode_mvm_start+0x86a/0x990 [iwlmvm]
_iwl_op_mode_start.isra.0+0x3f/0x80 [iwlwifi]
iwl_opmode_register+0x6d/0xe0 [iwlwifi]
? __pfx_iwl_mvm_init+0x10/0x10 [iwlmvm]
iwl_mvm_init+0x34/0xff0 [iwlmvm]
? __pfx_iwl_mvm_init+0x10/0x10 [iwlmvm]
do_one_initcall+0x54/0x2e0
do_init_module+0x82/0x230
init_module_from_file+0x86/0xc0
idempotent_init_module+0x121/0x2b0
__x64_sys_finit_module+0x5a/0xb0
do_syscall_64+0x7e/0x190
? vfs_read+0x152/0x370
? __rseq_handle_notify_resume+0xa2/0x480
? sysvec_call_function+0xa/0x90
? asm_sysvec_call_function+0x16/0x20
? __pfx_generic_file_llseek+0x10/0x10
? syscall_exit_to_user_mode+0x76/0x210
? do_syscall_64+0x8a/0x190
? __pfx_page_put_link+0x10/0x10
? do_sys_openat2+0x9c/0xe0
? syscall_exit_to_user_mode+0x76/0x210
? do_syscall_64+0x8a/0x190
? do_syscall_64+0x8a/0x190
? exc_page_fault+0x7a/0x180
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f9b9167275d
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 9b 16 0d 00 f7 d8 64 89 01 48
RSP: 002b:00007ffff874b378 EFLAGS: 00000246 ORIG_RAX: 0000000000000139
RAX: ffffffffffffffda RBX: 000055b8e84a7ee0 RCX: 00007f9b9167275d
RDX: 0000000000000000 RSI: 000055b8d1da19ca RDI: 0000000000000002
RBP: 0000000000000000 R08: 0000000000000070 R09: 000055b8e84aa7e0
R10: 00007f9b91744b20 R11: 0000000000000246 R12: 000055b8d1da19ca
R13: 0000000000040000 R14: 000055b8e84a7ff0 R15: 0000000000000000
</TASK>
---[ end trace 0000000000000000 ]---
After bisecting the issue and reverting the identified commit service is restored.
