Hi
On Sat, 2024-09-07 at 14:19 +0100, Chris Bainbridge wrote:
> Commit e8bb19c1d5906d2f31ae61853fea2a9abc71e951 ("wifi: iwlwifi:
> support fast resume"), present in v6.11-rc1 up to latest rc6, causes
> an error on resume in the case:
>
> 1. Connect mains PSU
> 2. systemctl suspend
> 3. Unplug PSU
> 4. Resume by pressing keyboard key
>
> #regzbot introduced: e8bb19c1d5906d2f31ae61853fea2a9abc71e951
>
Can you please try to add:
https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=094513f8a2fbddee51b055d8035f995551f98fce
https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless.git/commit/?id=cb347bd29d0d106213a0cf4f86b72dffd08d3454
and let me know if things work again for you?
BTW - I assume that your system is configured not to power the WLAN device if the power cord is not
connected and the system is suspended?
> The error:
>
> [ 103.155788] ------------[ cut here ]------------
> [ 103.155790] Timeout waiting for hardware access (CSR_GP_CNTRL 0x08040008)
> [ 103.155817] WARNING: CPU: 15 PID: 796 at
> drivers/net/wireless/intel/iwlwifi/pcie/trans.c:2245
> __iwl_trans_pcie_grab_nic_access+0x198/0x1a0 [iwlwifi]
> [ 103.155832] Modules linked in: rfcomm xt_conntrack nft_chain_nat
> xt_MASQUERADE nf_nat nf_conntrack_netlink nf_conntrack nf_defrag_ipv6
> nf_defrag_ipv4 xfrm_user xfrm_algo xt_addrtype nft_compat nf_tables
> nfnetlink br_netfilter bridge stp llc nvme_fabrics ccm snd_seq_dummy
> snd_hrtimer snd_seq snd_seq_device overlay qrtr cmac algif_hash
> algif_skcipher af_alg bnep binfmt_misc iwlmvm mac80211 snd_acp3x_rn
> snd_soc_dmic snd_acp3x_pdm_dma snd_sof_amd_rembrandt
> snd_sof_amd_renoir snd_sof_amd_acp snd_sof_pci snd_sof_xtensa_dsp
> snd_ctl_led snd_sof snd_hda_codec_realtek libarc4 snd_sof_utils
> snd_hda_codec_generic snd_soc_core snd_hda_scodec_component
> snd_compress snd_pci_ps snd_hda_codec_hdmi intel_rapl_msr
> intel_rapl_common snd_rpl_pci_acp6x snd_acp_pci snd_hda_intel
> snd_acp_legacy_common snd_intel_dspcfg uvcvideo snd_hda_codec
> snd_pci_acp6x videobuf2_vmalloc kvm_amd btusb videobuf2_memops
> snd_pci_acp5x snd_hwdep uvc btrtl videobuf2_v4l2 snd_hda_core btintel
> kvm snd_pcm iwlwifi snd_rn_pci_acp3x videodev snd_acp_config btbcm
> [ 103.155865] videobuf2_common ucsi_acpi btmtk mc snd_soc_acpi
> snd_timer hp_wmi typec_ucsi cfg80211 bluetooth sparse_keymap snd rapl
> platform_profile snd_pci_acp3x wmi_bmof ccp typec soundcore pcspkr
> sp5100_tco k10temp input_leds joydev serio_raw mac_hid acpi_tad
> amd_pmc msr parport_pc ppdev lp parport efi_pstore dmi_sysfs ip_tables
> x_tables autofs4 btrfs blake2b_generic libcrc32c xor raid6_pq dm_crypt
> uas usb_storage amdgpu i2c_algo_bit drm_ttm_helper ttm drm_exec
> drm_suballoc_helper nvme amdxcp hid_multitouch drm_buddy hid_generic
> crct10dif_pclmul crc32_pclmul polyval_clmulni polyval_generic
> ghash_clmulni_intel gpu_sched i2c_hid_acpi video amd_sfh i2c_hid
> nvme_core drm_display_helper xhci_pci nvme_auth i2c_piix4
> xhci_pci_renesas hid wmi aesni_intel crypto_simd cryptd
> [ 103.155899] CPU: 15 PID: 796 Comm: kworker/u64:14 Tainted: G
> W 6.10.0-rc2-00787-g334496c50593 #182
> [ 103.155900] Hardware name: HP HP Pavilion Aero Laptop
> 13-be0xxx/8916, BIOS F.12 04/11/2023
> [ 103.155901] Workqueue: async async_run_entry_fn
> [ 103.155906] RIP: 0010:__iwl_trans_pcie_grab_nic_access+0x198/0x1a0 [iwlwifi]
> [ 103.155914] Code: c7 31 c0 e9 6f ff ff ff 31 f6 48 89 df e8 f0 fc
> ff ff eb e5 44 89 e6 48 c7 c7 40 66 02 c2 c6 05 1a f5 02 00 01 e8 78
> ce 91 c6 <0f> 0b eb 93 0f 1f 40 00 0f 1f 44 00 00 55 be 00 02 00 00 48
> 89 e5
> [ 103.155915] RSP: 0018:ffffad7704737a38 EFLAGS: 00010246
> [ 103.155917] RAX: 0000000000000000 RBX: ffff95f38e448028 RCX: 0000000000000000
> [ 103.155917] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
> [ 103.155918] RBP: ffffad7704737a60 R08: 0000000000000000 R09: 0000000000000000
> [ 103.155919] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000008040008
> [ 103.155919] R13: 0000000000000000 R14: ffff95f38e449e30 R15: 0000000000000011
> [ 103.155920] FS: 0000000000000000(0000) GS:ffff95f68e980000(0000)
> knlGS:0000000000000000
> [ 103.155921] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 103.155921] CR2: 00007672f0000020 CR3: 0000000197456000 CR4: 0000000000f50ef0
> [ 103.155923] PKRU: 55555554
> [ 103.155923] Call Trace:
> [ 103.155924] <TASK>
> [ 103.155926] ? show_regs+0x68/0x80
> [ 103.155929] ? __warn+0x8e/0x1b0
> [ 103.155932] ? __iwl_trans_pcie_grab_nic_access+0x198/0x1a0 [iwlwifi]
> [ 103.155941] ? report_bug+0x17e/0x1b0
> [ 103.155944] ? handle_bug+0x46/0x80
> [ 103.155946] ? exc_invalid_op+0x18/0x80
> [ 103.155947] ? asm_exc_invalid_op+0x1b/0x20
> [ 103.155952] ? __iwl_trans_pcie_grab_nic_access+0x198/0x1a0 [iwlwifi]
> [ 103.155959] ? __iwl_trans_pcie_grab_nic_access+0x198/0x1a0 [iwlwifi]
> [ 103.155967] ? iwl_trans_pcie_grab_nic_access+0x1b/0x50 [iwlwifi]
> [ 103.155975] iwl_trans_pcie_grab_nic_access+0x2b/0x50 [iwlwifi]
> [ 103.155982] _iwl_trans_grab_nic_access+0xe/0x20 [iwlwifi]
> [ 103.155991] iwl_trans_pcie_read_mem+0x47/0x150 [iwlwifi]
> [ 103.156000] iwl_trans_read_mem+0xe/0x20 [iwlwifi]
> [ 103.156009] iwl_mvm_check_rt_status+0xcd/0x140 [iwlmvm]
> [ 103.156022] ? lock_acquire+0x296/0x300
> [ 103.156025] iwl_mvm_fast_resume+0xa3/0x181 [iwlmvm]
> [ 103.156033] __iwl_mvm_mac_start+0xfe/0x2d0 [iwlmvm]
> [ 103.156044] iwl_mvm_mac_start+0x59/0xf0 [iwlmvm]
> [ 103.156052] drv_start+0x85/0x170 [mac80211]
> [ 103.156077] ieee80211_reconfig+0xe1/0x1ea0 [mac80211]
> [ 103.156103] ? trace_contention_end+0x7a/0xb0
> [ 103.156105] ? __mutex_lock+0x123/0x8a0
> [ 103.156107] ? lock_release+0x1f0/0x2b0
> [ 103.156108] ? rtnl_lock+0x17/0x20
> [ 103.156112] ? wiphy_resume+0x62/0x1e0 [cfg80211]
> [ 103.156134] ieee80211_resume+0x55/0x70 [mac80211]
> [ 103.156156] wiphy_resume+0xbc/0x1e0 [cfg80211]
> [ 103.156175] ? wiphy_suspend+0x170/0x170 [cfg80211]
> [ 103.156192] dpm_run_callback+0x5b/0x110
> [ 103.156195] device_resume+0xc7/0x2d0
> [ 103.156197] async_resume+0x1d/0x40
> [ 103.156198] async_run_entry_fn+0x2d/0x120
> [ 103.156199] process_one_work+0x21b/0x750
> [ 103.156202] worker_thread+0x193/0x370
> [ 103.156204] ? apply_wqattrs_cleanup.part.0+0xc0/0xc0
> [ 103.156205] kthread+0xf3/0x120
> [ 103.156206] ? kthread_insert_work_sanity_check+0x60/0x60
> [ 103.156208] ret_from_fork+0x40/0x70
> [ 103.156210] ? kthread_insert_work_sanity_check+0x60/0x60
> [ 103.156212] ret_from_fork_asm+0x11/0x20
> [ 103.156216] </TASK>
> [ 103.156216] irq event stamp: 0
> [ 103.156217] hardirqs last enabled at (0): [<0000000000000000>] 0x0
> [ 103.156218] hardirqs last disabled at (0): [<ffffffff888dd624>]
> copy_process+0xa64/0x2d10
> [ 103.156220] softirqs last enabled at (0): [<ffffffff888dd624>]
> copy_process+0xa64/0x2d10
> [ 103.156221] softirqs last disabled at (0): [<0000000000000000>] 0x0
> [ 103.156222] ---[ end trace 0000000000000000 ]---
> [ 103.156224] iwlwifi 0000:01:00.0: iwlwifi transaction failed,
> dumping registers
> [ 103.156225] iwlwifi 0000:01:00.0: iwlwifi device config registers:
> [ 103.156574] iwlwifi 0000:01:00.0: 00000000: 27258086 00100406
> 0280001a 00000010 fcf00004 00000000 00000000 00000000
> [ 103.156575] iwlwifi 0000:01:00.0: 00000020: 00000000 00000000
> 00000000 00248086 00000000 000000c8 00000000 000001ff
> [ 103.156576] iwlwifi 0000:01:00.0: 00000040: 00028010 10008ec0
> 00100c1f 0545e812 10120142 00000000 00000000 00000000
> [ 103.156577] iwlwifi 0000:01:00.0: 00000060: 00000000 00080812
> 00000405 00000006 00000002 00000000 00000000 00000000
> [ 103.156578] iwlwifi 0000:01:00.0: 00000080: 800f0011 00002000
> 00003000 00000000 00000000 00000000 00000000 00000000
> [ 103.156579] iwlwifi 0000:01:00.0: 000000a0: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156579] iwlwifi 0000:01:00.0: 000000c0: 00000000 00000000
> c823d001 0d000008 00804005 00000000 00000000 00000000
> [ 103.156580] iwlwifi 0000:01:00.0: 000000e0: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156581] iwlwifi 0000:01:00.0: 00000100: 14c10001 00000000
> 00000000 00462031 00000000 00002000 00000000 00000000
> [ 103.156582] iwlwifi 0000:01:00.0: 00000120: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156583] iwlwifi 0000:01:00.0: 00000140: 14c00000 ff000000
> 000000ff 15410018 10011001 0001001e 00481e1f 40b6000f
> [ 103.156583] iwlwifi 0000:01:00.0: iwlwifi device memory mapped registers:
> [ 103.156825] iwlwifi 0000:01:00.0: 00000000: 40880000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156826] iwlwifi 0000:01:00.0: 00000020: 00000011 08040008
> 00000420 d55555d5 d55555d5 d55555d5 80008040 041f0042
> [ 103.156886] iwlwifi 0000:01:00.0: iwlwifi device AER capability structure:
> [ 103.156898] iwlwifi 0000:01:00.0: 00000000: 14c10001 00000000
> 00000000 00462031 00000000 00002000 00000000 00000000
> [ 103.156898] iwlwifi 0000:01:00.0: 00000020: 00000000 00000000 00000000
> [ 103.156899] iwlwifi 0000:01:00.0: iwlwifi parent port
> (0000:00:02.2) config registers:
> [ 103.156988] iwlwifi 0000:00:02.2: 00000000: 16341022 00100407
> 06040000 00810010 00000000 00000000 00010100 000001f1
> [ 103.156989] iwlwifi 0000:00:02.2: 00000020: fcf0fcf0 0001fff1
> 00000000 00000000 00000000 00000050 00000000 001200ff
> [ 103.156990] iwlwifi 0000:00:02.2: 00000040: 00000000 00000000
> 00000000 00000000 c8035801 00000000 0142a010 00008022
> [ 103.156991] iwlwifi 0000:00:02.2: 00000060: 00002910 05737813
> 30120042 00042580 01400000 00010018 00000000 007019bf
> [ 103.156991] iwlwifi 0000:00:02.2: 00000080: 00000406 0000000e
> 00010002 00000000 00000000 00000000 00000000 00000000
> [ 103.156992] iwlwifi 0000:00:02.2: 000000a0: 0081c005 fee00000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156993] iwlwifi 0000:00:02.2: 000000c0: 0000c80d 14531022
> a8030008 00000000 00000000 00000000 00000000 00000000
> [ 103.156994] iwlwifi 0000:00:02.2: 000000e0: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156995] iwlwifi 0000:00:02.2: 00000100: 2701000b 01010001
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156995] iwlwifi 0000:00:02.2: 00000120: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156996] iwlwifi 0000:00:02.2: 00000140: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156997] iwlwifi 0000:00:02.2: 00000160: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156998] iwlwifi 0000:00:02.2: 00000180: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156998] iwlwifi 0000:00:02.2: 000001a0: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.156999] iwlwifi 0000:00:02.2: 000001c0: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.157000] iwlwifi 0000:00:02.2: 000001e0: 00000000 00000000
> 00000000 00000000 00000000 00000000 00000000 00000000
> [ 103.157000] iwlwifi 0000:00:02.2: 00000200: 00000000 00000000 00000000
> [ 103.511993] iwlwifi 0000:01:00.0: Device was reset during suspend
> [ 103.511996] iwlwifi 0000:01:00.0: Couldn't get the d3 notif -2
> [ 103.512122] iwlwifi 0000:01:00.0: Hardware error detected. Restarting.
> [ 103.512330] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
> [ 103.512331] iwlwifi 0000:01:00.0: Transport status: 0x0000004B,
> valid: -469788063
> [ 103.512333] iwlwifi 0000:01:00.0: Loaded firmware version:
> 89.202a2f7b.0 ty-a0-gf-a0-89.ucode
> [ 103.512334] iwlwifi 0000:01:00.0: 0xD7DF3FDA | ADVANCED_SYSASSERT
> [ 103.512336] iwlwifi 0000:01:00.0: 0xBBDDEF0F | trm_hw_status0
> [ 103.512337] iwlwifi 0000:01:00.0: 0x527BE62B | trm_hw_status1
> [ 103.512337] iwlwifi 0000:01:00.0: 0xBE17FF9A | branchlink2
> [ 103.512338] iwlwifi 0000:01:00.0: 0x7F361FDB | interruptlink1
> [ 103.512339] iwlwifi 0000:01:00.0: 0x5BD21D9E | interruptlink2
> [ 103.512340] iwlwifi 0000:01:00.0: 0x172F3A9C | data1
> [ 103.512340] iwlwifi 0000:01:00.0: 0x9BF71483 | data2
> [ 103.512341] iwlwifi 0000:01:00.0: 0xCB6FF43C | data3
> [ 103.512342] iwlwifi 0000:01:00.0: 0xF8CC0AC9 | beacon time
> [ 103.512342] iwlwifi 0000:01:00.0: 0x531E6DE5 | tsf low
> [ 103.512343] iwlwifi 0000:01:00.0: 0x54BF38FC | tsf hi
> [ 103.512344] iwlwifi 0000:01:00.0: 0xFFFF9FED | time gp1
> [ 103.512344] iwlwifi 0000:01:00.0: 0xED3B101D | time gp2
> [ 103.512345] iwlwifi 0000:01:00.0: 0xF148E1EB | uCode revision type
> [ 103.512346] iwlwifi 0000:01:00.0: 0xDCFBF5F3 | uCode version major
> [ 103.512346] iwlwifi 0000:01:00.0: 0xFC37E970 | uCode version minor
> [ 103.512347] iwlwifi 0000:01:00.0: 0xC3C17AEF | hw version
> [ 103.512348] iwlwifi 0000:01:00.0: 0xEE03C593 | board version
> [ 103.512348] iwlwifi 0000:01:00.0: 0xF73FB3E8 | hcmd
> [ 103.512349] iwlwifi 0000:01:00.0: 0x9FCD276E | isr0
> [ 103.512350] iwlwifi 0000:01:00.0: 0x0F7CDEDF | isr1
> [ 103.512350] iwlwifi 0000:01:00.0: 0x3FEDDFD7 | isr2
> [ 103.512351] iwlwifi 0000:01:00.0: 0x33513328 | isr3
> [ 103.512352] iwlwifi 0000:01:00.0: 0x3845B101 | isr4
> [ 103.512352] iwlwifi 0000:01:00.0: 0x242204CF | last cmd Id
> [ 103.512353] iwlwifi 0000:01:00.0: 0x71536B63 | wait_event
> [ 103.512354] iwlwifi 0000:01:00.0: 0xD0210484 | l2p_control
> [ 103.512354] iwlwifi 0000:01:00.0: 0x82002669 | l2p_duration
> [ 103.512355] iwlwifi 0000:01:00.0: 0xD0A43120 | l2p_mhvalid
> [ 103.512356] iwlwifi 0000:01:00.0: 0xA981A920 | l2p_addr_match
> [ 103.512356] iwlwifi 0000:01:00.0: 0x8948A153 | lmpm_pmg_sel
> [ 103.512357] iwlwifi 0000:01:00.0: 0x02978048 | timestamp
> [ 103.512358] iwlwifi 0000:01:00.0: 0x06D922EA | flow_handler
> [ 103.512664] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
> [ 103.512665] iwlwifi 0000:01:00.0: Transport status: 0x0000004B,
> valid: 49788171
> [ 103.512666] iwlwifi 0000:01:00.0: 0xF54DFA0C | ADVANCED_SYSASSERT
> [ 103.512667] iwlwifi 0000:01:00.0: 0xCFEDC773 | umac branchlink1
> [ 103.512668] iwlwifi 0000:01:00.0: 0x5E6AEA8F | umac branchlink2
> [ 103.512668] iwlwifi 0000:01:00.0: 0xFB5DEE2F | umac interruptlink1
> [ 103.512669] iwlwifi 0000:01:00.0: 0xF61CE077 | umac interruptlink2
> [ 103.512670] iwlwifi 0000:01:00.0: 0x5EFF636D | umac data1
> [ 103.512670] iwlwifi 0000:01:00.0: 0xD97E7FDC | umac data2
> [ 103.512671] iwlwifi 0000:01:00.0: 0x2D930F84 | umac data3
> [ 103.512672] iwlwifi 0000:01:00.0: 0x60937F7F | umac major
> [ 103.512672] iwlwifi 0000:01:00.0: 0xE99FBED6 | umac minor
> [ 103.512673] iwlwifi 0000:01:00.0: 0xDB5EEB76 | frame pointer
> [ 103.512674] iwlwifi 0000:01:00.0: 0xC31D7E35 | stack pointer
> [ 103.512674] iwlwifi 0000:01:00.0: 0x2EE7C3C7 | last host cmd
> [ 103.512675] iwlwifi 0000:01:00.0: 0xFDCBEBFB | isr status reg
> [ 103.512953] iwlwifi 0000:01:00.0: IML/ROM dump:
> [ 103.512953] iwlwifi 0000:01:00.0: 0x00000000 | IML/ROM error/state
> [ 103.513010] iwlwifi 0000:01:00.0: 0x00000000 | IML/ROM data1
> [ 103.513067] iwlwifi 0000:01:00.0: 0x00000090 | IML/ROM WFPM_AUTH_KEY_0
> [ 103.513121] iwlwifi 0000:01:00.0: Fseq Registers:
> [ 103.513124] iwlwifi 0000:01:00.0: 0x60000000 | FSEQ_ERROR_CODE
> [ 103.513127] iwlwifi 0000:01:00.0: 0x80440007 | FSEQ_TOP_INIT_VERSION
> [ 103.513129] iwlwifi 0000:01:00.0: 0x00080009 | FSEQ_CNVIO_INIT_VERSION
> [ 103.513132] iwlwifi 0000:01:00.0: 0x0000A652 | FSEQ_OTP_VERSION
> [ 103.513135] iwlwifi 0000:01:00.0: 0x00000002 | FSEQ_TOP_CONTENT_VERSION
> [ 103.513138] iwlwifi 0000:01:00.0: 0x4552414E | FSEQ_ALIVE_TOKEN
> [ 103.513140] iwlwifi 0000:01:00.0: 0x00400410 | FSEQ_CNVI_ID
> [ 103.513143] iwlwifi 0000:01:00.0: 0x00400410 | FSEQ_CNVR_ID
> [ 103.513146] iwlwifi 0000:01:00.0: 0x00400410 | CNVI_AUX_MISC_CHIP
> [ 103.513151] iwlwifi 0000:01:00.0: 0x00400410 | CNVR_AUX_MISC_CHIP
> [ 103.513155] iwlwifi 0000:01:00.0: 0x00009061 |
> CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
> [ 103.513160] iwlwifi 0000:01:00.0: 0x00000061 |
> CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
> [ 103.513163] iwlwifi 0000:01:00.0: 0x00080009 | FSEQ_PREV_CNVIO_INIT_VERSION
> [ 103.513166] iwlwifi 0000:01:00.0: 0x00440007 | FSEQ_WIFI_FSEQ_VERSION
> [ 103.513169] iwlwifi 0000:01:00.0: 0x00440007 | FSEQ_BT_FSEQ_VERSION
> [ 103.513171] iwlwifi 0000:01:00.0: 0x000000E6 | FSEQ_CLASS_TP_VERSION
> [ 103.513228] iwlwifi 0000:01:00.0: UMAC CURRENT PC: 0xc00c0000
> [ 103.513231] iwlwifi 0000:01:00.0: LMAC1 CURRENT PC: 0x0
> [ 103.513250] iwlwifi 0000:01:00.0: FW error in SYNC CMD DBGC_SUSPEND_RESUME
> [ 103.513253] CPU: 4 PID: 796 Comm: kworker/u64:14 Tainted: G
> W 6.10.0-rc2-00787-g334496c50593 #182
> [ 103.513255] Hardware name: HP HP Pavilion Aero Laptop
> 13-be0xxx/8916, BIOS F.12 04/11/2023
> [ 103.513256] Workqueue: async async_run_entry_fn
> [ 103.513258] Call Trace:
> [ 103.513259] <TASK>
> [ 103.513260] dump_stack_lvl+0xb9/0xe0
> [ 103.513262] dump_stack+0x10/0x20
> [ 103.513264] iwl_trans_pcie_send_hcmd+0x36e/0x470 [iwlwifi]
> [ 103.513279] ? destroy_sched_domains_rcu+0x30/0x30
> [ 103.513283] iwl_trans_send_cmd+0x89/0x170 [iwlwifi]
> [ 103.513296] iwl_fw_dbg_stop_restart_recording+0x21d/0x2a0 [iwlwifi]
> [ 103.513308] iwl_fw_dbg_stop_sync+0x3a/0x50 [iwlwifi]
> [ 103.513319] iwl_mvm_stop_device+0x46/0xa0 [iwlmvm]
> [ 103.513334] __iwl_mvm_mac_start+0x2b4/0x2d0 [iwlmvm]
> [ 103.513346] iwl_mvm_mac_start+0x59/0xf0 [iwlmvm]
> [ 103.513357] drv_start+0x85/0x170 [mac80211]
> [ 103.513387] ieee80211_reconfig+0xe1/0x1ea0 [mac80211]
> [ 103.513421] ? trace_contention_end+0x7a/0xb0
> [ 103.513423] ? __mutex_lock+0x123/0x8a0
> [ 103.513424] ? lock_release+0x1f0/0x2b0
> [ 103.513426] ? rtnl_lock+0x17/0x20
> [ 103.513427] ? wiphy_resume+0x62/0x1e0 [cfg80211]
> [ 103.513454] ieee80211_resume+0x55/0x70 [mac80211]
> [ 103.513485] wiphy_resume+0xbc/0x1e0 [cfg80211]
> [ 103.513510] ? wiphy_suspend+0x170/0x170 [cfg80211]
> [ 103.513535] dpm_run_callback+0x5b/0x110
> [ 103.513537] device_resume+0xc7/0x2d0
> [ 103.513539] async_resume+0x1d/0x40
> [ 103.513540] async_run_entry_fn+0x2d/0x120
> [ 103.513541] process_one_work+0x21b/0x750
> [ 103.513544] worker_thread+0x193/0x370
> [ 103.513546] ? apply_wqattrs_cleanup.part.0+0xc0/0xc0
> [ 103.513548] kthread+0xf3/0x120
> [ 103.513549] ? kthread_insert_work_sanity_check+0x60/0x60
> [ 103.513551] ret_from_fork+0x40/0x70
> [ 103.513553] ? kthread_insert_work_sanity_check+0x60/0x60
> [ 103.513554] ret_from_fork_asm+0x11/0x20
> [ 103.513558] </TASK>
