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Thu, 26 Jun 2025 21:51:20 -0400 (EDT) Date: Fri, 27 Jun 2025 03:51:18 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Miri Korenblit , Colin Ian King Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev Subject: iwlwifi stopped working with AX200 (6.16-rc3 regression) Message-ID: Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="tO0QPPHbufDN3hK1" Content-Disposition: inline --tO0QPPHbufDN3hK1 Content-Type: text/plain; protected-headers=v1; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Date: Fri, 27 Jun 2025 03:51:18 +0200 From: Marek =?utf-8?Q?Marczykowski-G=C3=B3recki?= To: Miri Korenblit , Colin Ian King Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, regressions@lists.linux.dev Subject: iwlwifi stopped working with AX200 (6.16-rc3 regression) Hi, With Linux 6.16-rc3 iwlwifi stopped working for me - device never initializes fully. It was working fine with Linux 6.16-rc2. Log includes: iwlwifi 0000:00:07.0: Registered PHC clock: iwlwifi-PTP, with index: 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 516 at drivers/net/wireless/intel/iwlwifi/mvm/mld-= mac.c:37 iwl_mvm_mld_mac_ctxt_cmd_common+0x17d/0x1d0 [iwlmvm] Modules linked in: nft_reject_ipv6 nf_reject_ipv6 nft_reject_ipv4 nf_re= ject_ipv4 nft_reject qrtr nft_ct nft_masq nft_chain_nat nf_nat nf_conntrack= nf_defrag_ipv6 nf_defrag_ipv4 nf_tables iwlmvm mac80211 libarc4 joydev iwl= wifi intel_rapl_msr intel_rapl_common cfg80211 polyval_clmulni ghash_clmuln= i_intel sha512_ssse3 rfkill sha1_ssse3 r8169 pcspkr i2c_piix4 ehci_pci real= tek ata_generic ehci_hcd i2c_smbus pata_acpi serio_raw xen_scsiback target_= core_mod xen_netback xen_privcmd xen_gntdev xen_gntalloc xen_blkback xen_ev= tchn i2c_dev fuse loop nfnetlink overlay xen_blkfront CPU: 0 UID: 0 PID: 516 Comm: NetworkManager Not tainted 6.16.0-0.rc3.1.= qubes.1.fc41.x86_64 #1 PREEMPT(full)=20 Hardware name: Xen HVM domU, BIOS 4.19.2 05/27/2025 RIP: 0010:iwl_mvm_mld_mac_ctxt_cmd_common+0x17d/0x1d0 [iwlmvm] Code: eb a2 ba 01 00 00 00 66 41 89 55 18 eb 96 41 83 fe 02 74 25 41 c6= 45 19 01 eb c8 b9 01 00 00 00 66 41 89 4d 1a e9 7a ff ff ff <0f> 0b 5b 5d = 41 5c 41 5d 41 5e e9 04 26 f5 ec bf 01 00 00 00 66 41 RSP: 0018:ffffd45c807b3600 EFLAGS: 00010282 RAX: 00000000ffffffff RBX: ffff8d334a68a008 RCX: ffff8d33428c3efc RDX: 00000000000000bf RSI: 0000000000000308 RDI: ffff8d33428c3efc RBP: 0000000000000001 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff8d334a799c98 R13: ffffd45c807b3634 R14: 0000000000000000 R15: ffff8d334a799c98 FS: 00007b3ca8f0a800(0000) GS:ffff8d33a15db000(0000) knlGS:00000000000= 00000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000072848666ab60 CR3: 000000000049f000 CR4: 0000000000350ef0 Call Trace: iwl_mvm_mld_mac_ctxt_cmd_sta+0x6b/0x1d0 [iwlmvm] iwl_mvm_mld_mac_ctxt_add+0x32/0xc0 [iwlmvm] iwl_mvm_mld_mac_add_interface+0x137/0x3b0 [iwlmvm] drv_add_interface+0x52/0x230 [mac80211] ieee80211_do_open+0x57b/0x720 [mac80211] ieee80211_open+0x8c/0xa0 [mac80211] __dev_open+0x114/0x2a0 __dev_change_flags+0x1f6/0x240 ? security_inode_post_setattr+0xf8/0x110 netif_change_flags+0x26/0x70 do_setlink.isra.0+0x326/0xcd0 ? cred_has_capability.isra.0+0xa7/0x140 ? __rtnl_newlink+0x1fe/0x3f0 rtnl_newlink+0x4a4/0x8d0 ? __pfx_rtnl_newlink+0x10/0x10 rtnetlink_rcv_msg+0x37e/0x450 ? avc_has_perm+0x5c/0xe0 ? __pfx_rtnetlink_rcv_msg+0x10/0x10 netlink_rcv_skb+0x52/0x100 netlink_unicast+0x27d/0x3d0 netlink_sendmsg+0x228/0x480 ____sys_sendmsg+0x35e/0x390 ___sys_sendmsg+0x99/0xe0 __sys_sendmsg+0x88/0xf0 do_syscall_64+0x84/0x2c0 ? syscall_exit_work+0x108/0x140 ? do_syscall_64+0x200/0x2c0 ? syscall_exit_work+0x108/0x140 ? do_syscall_64+0x200/0x2c0 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7b3ca9e876c2 Code: 08 0f 85 81 42 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2= 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f = 1f 84 00 00 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 66 RSP: 002b:00007ffed9f47ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007b3ca9e876c2 RDX: 0000000000000000 RSI: 00007ffed9f48090 RDI: 000000000000000d RBP: 00007ffed9f48030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000642f470dd5a0 R13: 000000000000001a R14: 0000000000000000 R15: 00007ffed9f4822c ---[ end trace 0000000000000000 ]--- iwlwifi 0000:00:07.0: Microcode SW error detected. Restarting 0x0. iwlwifi 0000:00:07.0: Start IWL Error Log Dump: iwlwifi 0000:00:07.0: Transport status: 0x0000004B, valid: 6 iwlwifi 0000:00:0[2025-06-27 00:40:21] 7.0: Loaded firmware version: 77= =2E864baa2e.0 cc-a0-77.ucode iwlwifi 0000:00:07.0: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL =20 iwlwifi 0000:00:07.0: 0x00A0A2F0 | trm_hw_status0 iwlwifi 0000:00:07.0: 0x00000000 | trm_hw_status1 iwlwifi 0000:00:07.0: 0x004F8D82 | branchlink2 iwlwifi 0000:00:07.0: 0x004EEDD2 | interruptlink1 iwlwifi 0000:00:07.0: 0x004EEDD2 | interruptlink2 iwlwifi 0000:00:07.0: 0x00015332 | data1 iwlwifi 0000:00:07.0: 0x00001000 | data2 iwlwifi 0000:00:07.0: 0x00000000 | data3 iwlwifi 0000:00:07.0: 0x00000000 | beacon time iwlwifi 0000:00:07.0: 0x00062EC7 | tsf low iwlwifi 0000:00:07.0: 0x00000000 | tsf hi iwlwifi 0000:00:07.0: 0x00000000 | time gp1 iwlwifi 0000:00:07.0: 0x00069534 | time gp2 iwlwifi 0000:00:07.0: 0x00000001 | uCode revision type iwlwifi 0000:00:07.0: 0x0000004D | uCode version major iwlwifi 0000:00:07.0: 0x864BAA2E | uCode version minor iwlwifi 0000:00:07.0: 0x00000340 | hw version iwlwifi 0000:00:07.0: 0x00C89000 | board version iwlwifi 0000:00:07.0: 0x8032F500 | hcmd iwlwifi 0000:00:07.0: 0x20028000 | isr0 iwlwifi 0000:00:07.0: 0x00000000 | isr1 iwlwifi 0000:00:07.0: 0x08F04802 | isr2 iwlwifi 0000:00:07.0: 0x00C3400C | isr3 iwlwifi 0000:00:07.0: 0x00000000 | isr4 iwlwifi 0000:00:07.0: 0x00110148 | last cmd Id iwlwifi 0000:00:07.0: 0x00015332 | wait_event iwlwifi 0000:00:07.0: 0x00000000 | l2p_control iwlwifi 0000:00:07.0: 0x00000000 | l2p_duration iwlwifi 0000:00:07.0: 0x00000000 | l2p_mhvalid iwlwifi 0000:00:07.0: 0x00000000 | l2p_addr_match iwlwifi 0000:00:07.0: 0x00000008 | lmpm_pmg_sel iwlwifi 0000:00:07.0: 0x00000000 | timestamp iwlwifi 0000:00:07.0: 0x0000084C | flow_handler iwlwifi 0000:00:07.0: Start IWL Error Log Dump: iwlwifi 0000:00:07.0: Transport status: 0x0000004B, valid: 7 iwlwifi 0000:00:07.0: 0x20103126 | ADVANCED_SYSASSERT iwlwifi 0000:00:07.0: 0x00000000 | umac branchlink1 iwlwifi 0000:00:07.0: 0x80455D7A | umac branchlink2 iwlwifi 0000:00:07.0: 0xC0081228 | umac interruptlink1 iwlwifi 0000:00:07.0: 0x00000000 | umac interruptlink2 iwlwifi 0000:00:07.0: 0x00000000 | umac data1 iwlwifi 0000:00:07.0: 0x00000000 | umac data2 iwlwifi 0000:00:07.0: 0xDEADBEEF | umac data3 iwlwifi 0000:00:07.0: 0x0000004D | umac major iwlwifi 0000:00:07.0: 0x864BAA2E | umac minor iwlwifi 0000:00:07.0: 0x0006952F | frame pointer iwlwifi 0000:00:07.0: 0xC0886C14 | stack pointer iwlwifi 0000:00:07.0: 0x00120308 | last host cmd iwlwifi 0000:00:07.0: 0x00000009 | isr status reg iwlwifi 0000:00:07.0: IML/ROM dump: iwlwifi 0000:00:07.0: 0x00000003 | IML/ROM error/state iwlwifi 0000:00:07.0: 0x000062FC | IML/ROM data1 iwlwifi 0000:00:07.0: 0x00000080 | IML/ROM WFPM_AUTH_KEY_0 iwlwifi 0000:00:07.0: Fseq Registers: iwlwifi 0000:00:07.0: 0x60000000 | FSEQ_ERROR_CODE iwlwifi 0000:00:07.0: 0x80290021 | FSEQ_TOP_INIT_VERSION iwlwifi 0000:00:07.0: 0x00050008 | FSEQ_CNVIO_INIT_VERSION iwlwifi 0000:00:07.0: 0x0000A503 | FSEQ_OTP_VERSION iwlwifi 0000:00:07.0: 0x80000003 | FSEQ_TOP_CONTENT_VERSION iwlwifi 0000:00:07.0: 0x4552414E | FSEQ_ALIVE_TOKEN iwlwifi 0000:00:07.0: 0x00100530 | FSEQ_CNVI_ID iwlwifi 0000:00:07.0: 0x00000532 | FSEQ_CNVR_ID iwlwifi 0000:00:07.0: 0x00100530 | CNVI_AUX_MISC_CHIP iwlwifi 0000:00:07.0: 0x00000532 | CNVR_AUX_MISC_CHIP iwlwifi 0000:00:07.0: 0x05B0905B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTR= IM iwlwifi 0000:00:07.0: 0x0000025B | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_= MIRROR iwlwifi 0000:00:07.0: 0x00050008 | FSEQ_PREV_CNVIO_INIT_VERSION iwlwifi 0000:00:07.0: 0x00290021 | FSEQ_WIFI_FSEQ_VERSION iwlwifi 0000:00:07.0: 0x00290021 | FSEQ_BT_FSEQ_VERSION iwlwifi 0000:00:07.0: 0x000000F0 | FSEQ_CLASS_TP_VERSION iwlwifi 0000:00:07.0: UMAC CURRENT PC: 0x80472b1c iwlwifi 0000:00:07.0: LMAC1 CURRENT PC: 0xd0 iwlwifi 0000:00:07.0: FW error in SYNC CMD MAC_CONFIG_CMD CPU: 0 UID: 0 PID: 516 Comm: NetworkManager Tainted: G W = 6.16.0-0.rc3.1.qubes.1.fc41.x86_64 #1 PREEMPT(full)=20 Tainted: [W]=3DWARN Hardware name: Xen HVM domU, BIOS 4.19.2 05/27/2025 Call Trace: dump_stack_lvl+0x5d/0x80 iwl_trans_pcie_send_hcmd_sync+0x355/0x360 [iwlwifi] ? __pfx_autoremove_wake_function+0x10/0x10 iwl_trans_send_cmd+0x4f/0xe0 [iwlwifi] iwl_mvm_send_cmd_pdu+0x61/0xb0 [iwlmvm] iwl_mvm_mld_mac_ctxt_cmd_sta+0x10b/0x1d0 [iwlmvm] iwl_mvm_mld_mac_ctxt_add+0x32/0xc0 [iwlmvm] iwl_mvm_mld_mac_add_interface+0x137/0x3b0 [iwlmvm] drv_add_interface+0x52/0x230 [mac80211] ieee80211_do_open+0x57b/0x720 [mac80211] ieee80211_open+0x8c/0xa0 [mac80211] __dev_open+0x114/0x2a0 __dev_change_flags+0x1f6/0x240 ? security_inode_post_setattr+0xf8/0x110 netif_change_flags+0x26/0x70 do_setlink.isra.0+0x326/0xcd0 ? cred_has_capability.isra.0+0xa7/0x140 ? __rtnl_newlink+0x1fe/0x3f0 rtnl_newlink+0x4a4/0x8d0 ? __pfx_rtnl_newlink+0x10/0x10 rtnetlink_rcv_msg+0x37e/0x450 ? avc_has_perm+0x5c/0xe0 ? __pfx_rtnetlink_rcv_msg+0x10/0x10 netlink_rcv_skb+0x52/0x100 netlink_unicast+0x27d/0x3d0 netlink_sendmsg+0x228/0x480 ____sys_sendmsg+0x35e/0x390 ___sys_sendmsg+0x99/0xe0 __sys_sendmsg+0x88/0xf0 do_syscall_64+0x84/0x2c0 ? syscall_exit_work+0x108/0x140 ? do_syscall_64+0x200/0x2c0 ? syscall_exit_work+0x108/0x140 ? do_syscall_64+0x200/0x2c0 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7b3ca9e876c2 Code: 08 0f 85 81 42 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2= 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 66 2e 0f = 1f 84 00 00 00 00 00 66 2e 0f 1f 84 00 00 00 00 00 66 RSP: 002b:00007ffed9f47ff8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007b3ca9e876c2 RDX: 0000000000000000 RSI: 00007ffed9f48090 RDI: 000000000000000d RBP: 00007ffed9f48030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000642f470dd5a0 R13: 000000000000001a R14: 0000000000000000 R15: 00007ffed9f4822c iwlwifi 0000:00:07.0: Failed to send MAC_CONFIG_CMD (action:0): -5 I see the only change there between rc2 and rc3 is fixing that WARN_ON condition. Unfortunately, I don't know what cmd_ver value I have there, but apparently it's outside of that range (and yet, the driver worked fine before). The device is: 02:00.0 Network controller [0280]: Intel Corporation Wi-Fi 6 AX200 [8086:27= 23] (rev 1a) Subsystem: Intel Corporation Wi-Fi 6 AX200NGW [8086:0084] #regzbot introduced: v6.16-rc2..v6.16-rc3 --=20 Best Regards, Marek Marczykowski-G=C3=B3recki Invisible Things Lab --tO0QPPHbufDN3hK1 Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhrpukzGPukRmQqkK24/THMrX1ywFAmhd+RYACgkQ24/THMrX 1yyPoQf/UfZHu120Ug8NnZQv73XoWHvFie32nbkde8fZw62sxddCNEOYROawrf0r HxRyTkKyBYYIE8G5hu+hTCj4i0YvrVFYBUpbOZ/lNkMEd4SzWhqx6aHaSUkJ5kNl sWE6uJmV41w8BhGYpMy/rEMqtnJLImydfudBS9giTLcCCaBHF/W61OKBtYY/XQhc 4eBNssU/CTjzBnAZkPj3h8o2oW7tPgCpbqQFRyJQK2t/I/PmN6JGw2bOkVK1XlF3 ZaVuHjSyGd3irRnMda1I8XDDaZWqmi7qphtQ9OyzlCpgtZ93WuU2ZaVQo4JjOr56 lwiIipmpBIDEwhBcR940/WkRrCkuDA== =W3LO -----END PGP SIGNATURE----- --tO0QPPHbufDN3hK1--