From: Mirsad Goran Todorovac <mirsad.todorovac@alu.unizg.hr>
To: "Greenman, Gregory" <gregory.greenman@intel.com>,
"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"netdev@vger.kernel.org" <netdev@vger.kernel.org>
Cc: "kvalo@kernel.org" <kvalo@kernel.org>,
"edumazet@google.com" <edumazet@google.com>,
"davem@davemloft.net" <davem@davemloft.net>,
"kuba@kernel.org" <kuba@kernel.org>,
"pabeni@redhat.com" <pabeni@redhat.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: BUG: drivers/net/wireless: iwlwifi: IWL Error: "BUG: kernel NULL pointer dereference, address: 0000000000000150"
Date: Thu, 13 Apr 2023 08:38:15 +0200 [thread overview]
Message-ID: <358b1501-1d76-1a30-d893-ab119111a76f@alu.unizg.hr> (raw)
In-Reply-To: <f13514c5-5289-4b7d-a0ef-1f861d87cb25@alu.unizg.hr>
On 12.4.2023. 13:46, Mirsad Todorovac wrote:
> On 4/11/23 10:47, Greenman, Gregory wrote:
>> On Mon, 2023-04-10 at 01:43 +0200, Mirsad Goran Todorovac wrote:
>>> On 10. 04. 2023. 00:21, Mirsad Goran Todorovac wrote:
>>>> Hi all,
>>>>
>>>> This is an error is the syslog found after investigating a Youtube FF chirping hang
>>>> while running kseftest of 6.3-rc6 torvalds tree kernel.
>>>>
>>>> Running multimedia and kselftest might seem off, but multimedia performance on Linux
>>>> and open source software is a very interesting research area.
>>>>
>>>> Here is the trace from the log:
>>>>
>>>> Apr 9 23:01:11 marvin-IdeaPad-3-15ITL6 kernel: [ 615.957145] mmiotrace: disabled.
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.881758] iwlwifi 0000:00:14.3: Error sending STATISTICS_CMD: time out
>>>> after 2000ms.
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.882332] iwlwifi 0000:00:14.3: Current CMD queue read_ptr 67 write_ptr 68
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.884299] iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.884373] iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 6
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.884446] iwlwifi 0000:00:14.3: Loaded firmware version: 73.35c0a2c6.0
>>>> QuZ-a0-jf-b0-73.ucode
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.884520] iwlwifi 0000:00:14.3: 0x00000084 | NMI_INTERRUPT_UNKNOWN
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.884624] iwlwifi 0000:00:14.3: 0x000022F0 | trm_hw_status0
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.884695] iwlwifi 0000:00:14.3: 0x00000000 | trm_hw_status1
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.884766] iwlwifi 0000:00:14.3: 0x004C352E | branchlink2
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.884837] iwlwifi 0000:00:14.3: 0x004BA12A | interruptlink1
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.884907] iwlwifi 0000:00:14.3: 0x004BA12A | interruptlink2
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.885309] iwlwifi 0000:00:14.3: 0x0000CEEA | data1
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.885444] iwlwifi 0000:00:14.3: 0x01000000 | data2
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.885526] iwlwifi 0000:00:14.3: 0x00000000 | data3
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.885598] iwlwifi 0000:00:14.3: 0x840075C7 | beacon time
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.885670] iwlwifi 0000:00:14.3: 0x5282AA44 | tsf low
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.885741] iwlwifi 0000:00:14.3: 0x00000082 | tsf hi
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.885812] iwlwifi 0000:00:14.3: 0x00000000 | time gp1
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.885885] iwlwifi 0000:00:14.3: 0x24D400DC | time gp2
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.885963] iwlwifi 0000:00:14.3: 0x00000001 | uCode revision type
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886040] iwlwifi 0000:00:14.3: 0x00000049 | uCode version major
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886117] iwlwifi 0000:00:14.3: 0x35C0A2C6 | uCode version minor
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886193] iwlwifi 0000:00:14.3: 0x00000351 | hw version
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886268] iwlwifi 0000:00:14.3: 0x00489001 | board version
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886344] iwlwifi 0000:00:14.3: 0x80B3F400 | hcmd
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886420] iwlwifi 0000:00:14.3: 0x00020000 | isr0
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886496] iwlwifi 0000:00:14.3: 0x00000000 | isr1
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886632] iwlwifi 0000:00:14.3: 0x08F00002 | isr2
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886750] iwlwifi 0000:00:14.3: 0x00C3028C | isr3
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.886889] iwlwifi 0000:00:14.3: 0x00000000 | isr4
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.887035] iwlwifi 0000:00:14.3: 0x05C8001C | last cmd Id
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.887180] iwlwifi 0000:00:14.3: 0x0000CEEA | wait_event
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.887326] iwlwifi 0000:00:14.3: 0x00000854 | l2p_control
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.887467] iwlwifi 0000:00:14.3: 0x00000020 | l2p_duration
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.887610] iwlwifi 0000:00:14.3: 0x0000000F | l2p_mhvalid
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.887756] iwlwifi 0000:00:14.3: 0x00000000 | l2p_addr_match
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.887895] iwlwifi 0000:00:14.3: 0x00000009 | lmpm_pmg_sel
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.888150] iwlwifi 0000:00:14.3: 0x00000000 | timestamp
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.888288] iwlwifi 0000:00:14.3: 0x00006868 | flow_handler
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.888730] iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.888867] iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 7
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.889159] iwlwifi 0000:00:14.3: 0x20000066 | NMI_INTERRUPT_HOST
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.889306] iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.889450] iwlwifi 0000:00:14.3: 0x80453B88 | umac branchlink2
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.889594] iwlwifi 0000:00:14.3: 0x8046FE32 | umac interruptlink1
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.889740] iwlwifi 0000:00:14.3: 0x8046FE32 | umac interruptlink2
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.889886] iwlwifi 0000:00:14.3: 0x01000000 | umac data1
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.890033] iwlwifi 0000:00:14.3: 0x8046FE32 | umac data2
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.890176] iwlwifi 0000:00:14.3: 0x00000000 | umac data3
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.890323] iwlwifi 0000:00:14.3: 0x00000049 | umac major
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.890468] iwlwifi 0000:00:14.3: 0x35C0A2C6 | umac minor
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.890613] iwlwifi 0000:00:14.3: 0x24D400DA | frame pointer
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.890759] iwlwifi 0000:00:14.3: 0xC0886264 | stack pointer
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.890905] iwlwifi 0000:00:14.3: 0x0043019C | last host cmd
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.891050] iwlwifi 0000:00:14.3: 0x00000000 | isr status reg
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.891323] iwlwifi 0000:00:14.3: IML/ROM dump:
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.891469] iwlwifi 0000:00:14.3: 0x00000003 | IML/ROM error/state
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.891731] iwlwifi 0000:00:14.3: 0x000053F8 | IML/ROM data1
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.891997] iwlwifi 0000:00:14.3: 0x00000080 | IML/ROM WFPM_AUTH_KEY_0
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.892216] iwlwifi 0000:00:14.3: Fseq Registers:
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.893775] iwlwifi 0000:00:14.3: 0x60000000 | FSEQ_ERROR_CODE
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.893927] iwlwifi 0000:00:14.3: 0x80260000 | FSEQ_TOP_INIT_VERSION
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.894077] iwlwifi 0000:00:14.3: 0x00020006 | FSEQ_CNVIO_INIT_VERSION
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.894227] iwlwifi 0000:00:14.3: 0x0000A384 | FSEQ_OTP_VERSION
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.894374] iwlwifi 0000:00:14.3: 0x3D544A68 | FSEQ_TOP_CONTENT_VERSION
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.894526] iwlwifi 0000:00:14.3: 0x4552414E | FSEQ_ALIVE_TOKEN
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.894675] iwlwifi 0000:00:14.3: 0x20000302 | FSEQ_CNVI_ID
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.894826] iwlwifi 0000:00:14.3: 0x01300202 | FSEQ_CNVR_ID
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.894976] iwlwifi 0000:00:14.3: 0x20000302 | CNVI_AUX_MISC_CHIP
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.895129] iwlwifi 0000:00:14.3: 0x01300202 | CNVR_AUX_MISC_CHIP
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.895282] iwlwifi 0000:00:14.3: 0x0000485B |
>>>> CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.895463] iwlwifi 0000:00:14.3: 0xA5A5A5A2 |
>>>> CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.898477] iwlwifi 0000:00:14.3: WRT: Collecting data: ini trigger 4 fired
>>>> (delay=0ms).
>>>> Apr 9 23:01:25 marvin-IdeaPad-3-15ITL6 kernel: [ 629.899785] ieee80211 phy0: Hardware restart was requested
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.878162] iwlwifi 0000:00:14.3: HCMD_ACTIVE already clear for command
>>>> STATISTICS_CMD
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.878273] iwlwifi 0000:00:14.3: Hardware error detected. Restarting.
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.881860] ------------[ cut here ]------------
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.882201] WARNING: CPU: 5 PID: 47 at
>>>> drivers/net/wireless/intel/iwlwifi/mvm/../iwl-trans.h:1200 iwl_mvm_rx_tx_cmd+0xc65/0xd50 [iwlmvm]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.882380] Modules linked in: ftrace_direct ccm rfcomm snd_seq_dummy
>>>> snd_hrtimer cmac algif_skcipher snd_ctl_led snd_soc_skl_hda_dsp
>>>> snd_soc_intel_hda_dsp_common snd_soc_hdac_hdmi snd_sof_probes snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic
>>>> ledtrig_audio bnep joydev uvcvideo videobuf2_vmalloc btusb uvc
>>>> videobuf2_memops btrtl videobuf2_v4l2 btbcm videodev btintel btmtk usbhid videobuf2_common bluetooth mc ecdh_generic ecc
>>>> snd_soc_dmic snd_sof_pci_intel_tgl snd_sof_intel_hda_common soundwire_intel
>>>> soundwire_generic_allocation soundwire_cadence hid_multitouch snd_sof_intel_hda snd_sof_pci snd_sof_xtensa_dsp snd_sof
>>>> hid_generic snd_sof_utils snd_soc_hdac_hda snd_hda_ext_core
>>>> snd_soc_acpi_intel_match snd_soc_acpi intel_tcc_cooling soundwire_bus x86_pkg_temp_thermal sunrpc mei_pxp intel_powerclamp
>>>> mei_hdcp snd_soc_core snd_compress coretemp ac97_bus spi_pxa2xx_platform
>>>> crct10dif_pclmul snd_pcm_dmaengine dw_dmac crc32_pclmul dw_dmac_core ghash_clmulni_intel snd_hda_intel sha512_ssse3 8250_dw
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.885849] snd_intel_dspcfg snd_intel_sdw_acpi aesni_intel crypto_simd
>>>> wmi_bmof snd_hda_codec cryptd binfmt_misc snd_hda_core rapl snd_hwdep
>>>> pmt_telemetry intel_rapl_msr pmt_class intel_cstate snd_pcm i2c_hid_acpi i915 iwlmvm i2c_hid snd_seq_midi snd_seq_midi_event
>>>> nls_iso8859_1 snd_rawmidi mac80211 drm_buddy libarc4 ttm snd_seq
>>>> drm_display_helper processor_thermal_device_pci_legacy cec snd_seq_device ideapad_laptop snd_timer btrfs sparse_keymap
>>>> processor_thermal_device drm_kms_helper iwlwifi platform_profile
>>>> processor_thermal_rfim processor_thermal_mbox int3400_thermal mei_me blake2b_generic xhci_pci xor processor_thermal_rapl video
>>>> wmi acpi_thermal_rel mei acpi_tad i2c_algo_bit acpi_pad
>>>> int3403_thermal intel_rapl_common snd xhci_pci_renesas i2c_i801 syscopyarea ahci cfg80211 intel_vsec int340x_thermal_zone
>>>> intel_lpss_pci sysfillrect soundcore i2c_smbus intel_lpss sysimgblt
>>>> intel_soc_dts_iosf libahci igen6_edac idma64 raid6_pq msr parport_pc ppdev lp parport ramoops pstore_blk reed_solomon
>>>> pstore_zone drm
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.886823] efi_pstore ip_tables x_tables autofs4 nvme nvme_core input_leds
>>>> vmd serio_raw mac_hid pinctrl_tigerlake [last unloaded:
>>>> ftrace_direct]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.886986] CPU: 5 PID: 47 Comm: ksoftirqd/5 Not tainted
>>>> 6.3.0-rc6-mt-20230401-00001-gf86822a1170f #4
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887006] Hardware name: LENOVO 82H8/LNVNB161216, BIOS GGCN51WW 11/16/2022
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887022] RIP: 0010:iwl_mvm_rx_tx_cmd+0xc65/0xd50 [iwlmvm]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887096] Code: 85 c0 74 0d 0f b6 40 27 89 f1 21 c1 84 c0 0f 45 f1 40 0f b6
>>>> f6 4c 89 ff e8 e8 3f ff ff 41 88 84 24 7e 14 00 00 e9 7c fe ff ff
>>>> <0f> 0b 48 8b 7f 40 48 c7 c1 10 ba fa c0 48 c7 c2 58 ce fb c0 31 f6
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887114] RSP: 0018:ffffb60200267b70 EFLAGS: 00010293
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887142] RAX: 0000000000001c80 RBX: ffff8b5af378c000 RCX: 0000000000000005
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887159] RDX: 0000000000000000 RSI: ffffb60200267bb0 RDI: ffff8b5a8ff20028
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887174] RBP: ffffb60200267c40 R08: 0000000000000000 R09: 0000000000000001
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887189] R10: ffffb60200267c58 R11: 0000000000000000 R12: 0000000000000000
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887205] R13: 0000000000000030 R14: ffffb60200267d18 R15: ffff8b5aa39d33e8
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887221] FS: 0000000000000000(0000) GS:ffff8b5c27a80000(0000)
>>>> knlGS:0000000000000000
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887255] CR2: 00007f49f4dfe008 CR3: 000000017d850001 CR4: 0000000000f70ee0
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887271] PKRU: 55555554
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887286] Call Trace:
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887302] <TASK>
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887359] ? __pfx_iwl_mvm_rx_tx_cmd+0x10/0x10 [iwlmvm]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887446] ? iwl_mvm_rx_tx_cmd+0x9/0xd50 [iwlmvm]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887540] ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887563] ? ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887582] ? iwl_mvm_rx_common+0xde/0x390 [iwlmvm]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887650] ? iwl_mvm_rx_mq+0x9/0xc0 [iwlmvm]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887739] ? ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887757] iwl_mvm_rx_mq+0x79/0xc0 [iwlmvm]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887821] ? ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887839] iwl_pcie_rx_handle+0x402/0xaa0 [iwlwifi]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887979] ? ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.887997] iwl_pcie_napi_poll_msix+0x39/0xf0 [iwlwifi]
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888086] ? ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888105] __napi_poll+0x2e/0x1f0
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888146] ? ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888164] net_rx_action+0x1a5/0x330
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888240] ? ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888258] __do_softirq+0xb4/0x3a4
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888311] ? smpboot_thread_fn+0x2a/0x290
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888340] ? ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888358] run_ksoftirqd+0x44/0x80
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888382] ? ftrace_regs_caller_end+0x66/0x66
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888400] smpboot_thread_fn+0x1d9/0x290
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888435] ? __pfx_smpboot_thread_fn+0x10/0x10
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888458] kthread+0x10f/0x140
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888481] ? __pfx_kthread+0x10/0x10
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888517] ret_from_fork+0x29/0x50
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888609] </TASK>
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888623] irq event stamp: 4206602
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888636] hardirqs last enabled at (4206608): [<ffffffffb9a51c98>]
>>>> __up_console_sem+0x68/0x80
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888657] hardirqs last disabled at (4206613): [<ffffffffb9a51c7d>]
>>>> __up_console_sem+0x4d/0x80
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888676] softirqs last enabled at (4196852): [<ffffffffb9965b60>]
>>>> return_to_handler+0x0/0x40
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888695] softirqs last disabled at (4196891): [<ffffffffb9965b60>]
>>>> return_to_handler+0x0/0x40
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888714] ---[ end trace 0000000000000000 ]---
>>>> Apr 9 23:01:26 marvin-IdeaPad-3-15ITL6 kernel: [ 630.888732] iwlwifi 0000:00:14.3: iwl_trans_reclaim bad state = 0
>>>>
>>>> Hope this helps.
>>>>
>>>> The platform is Ubuntu 22.10 kinetic kudu on Lenovo IdeaPad 3 15ITL6,
>>>> the above mentioned 6.3-rc6 torvalds tree kernel and GGCN51WW original
>>>> Lenovo BIOS.
>>>>
>>>> Please find the config and the lshw output and this listing at the URL:
>>>>
>>>> → https://domac.alu.unizg.hr/~mtodorov/linux/bugreports/intel/iwlwifi/
>>>
>>> The fault was reproduced while running complete "make kselftest" and having
>>> at the same time Firefox with 100+ tabs and 2 Youtube tabs running.
>>>
>>> Apr 10 00:32:16 marvin-IdeaPad-3-15ITL6 kernel: mmiotrace: disabled.
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Error sending STATISTICS_CMD: time out after 2000ms.
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Current CMD queue read_ptr 54 write_ptr 55
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 6
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Loaded firmware version: 73.35c0a2c6.0 QuZ-a0-jf-b0-73.ucode
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000084 | NMI_INTERRUPT_UNKNOWN
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x1080A200 | trm_hw_status0
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00010000 | trm_hw_status1
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x004C352E | branchlink2
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0000638C | interruptlink1
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0000638C | interruptlink2
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00011864 | data1
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x01000000 | data2
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | data3
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x5F008D9F | beacon time
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x9892726D | tsf low
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000083 | tsf hi
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00008D3B | time gp1
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x2124C243 | time gp2
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000001 | uCode revision type
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000049 | uCode version major
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x35C0A2C6 | uCode version minor
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000351 | hw version
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00489001 | board version
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0489001C | hcmd
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0xE682B000 | isr0
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x09040000 | isr1
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x08F0011A | isr2
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00C3028C | isr3
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | isr4
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0488001C | last cmd Id
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00011864 | wait_event
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x000000C4 | l2p_control
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00018034 | l2p_duration
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000007 | l2p_mhvalid
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000081 | l2p_addr_match
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000009 | lmpm_pmg_sel
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | timestamp
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000808 | flow_handler
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 7
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x20000066 | NMI_INTERRUPT_HOST
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x80453B88 | umac branchlink2
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x8046FE32 | umac interruptlink1
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x8046FE32 | umac interruptlink2
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x01000000 | umac data1
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x8046FE32 | umac data2
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac data3
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000049 | umac major
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x35C0A2C6 | umac minor
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x2124C241 | frame pointer
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0xC0886264 | stack pointer
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0036019C | last host cmd
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | isr status reg
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: IML/ROM dump:
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000003 | IML/ROM error/state
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00005404 | IML/ROM data1
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000080 | IML/ROM WFPM_AUTH_KEY_0
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Fseq Registers:
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x60000000 | FSEQ_ERROR_CODE
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x80260000 | FSEQ_TOP_INIT_VERSION
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00020006 | FSEQ_CNVIO_INIT_VERSION
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0000A384 | FSEQ_OTP_VERSION
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x3D544A68 | FSEQ_TOP_CONTENT_VERSION
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x4552414E | FSEQ_ALIVE_TOKEN
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x20000302 | FSEQ_CNVI_ID
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x01300202 | FSEQ_CNVR_ID
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x20000302 | CNVI_AUX_MISC_CHIP
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x01300202 | CNVR_AUX_MISC_CHIP
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0000485B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0xA5A5A5A2 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: WRT: Collecting data: ini trigger 4 fired (delay=0ms).
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: ieee80211 phy0: Hardware restart was requested
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Hardware error detected. Restarting.
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: BUG: Apr 10 00:32:16 marvin-IdeaPad-3-15ITL6 kernel: mmiotrace: disabled.
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Error sending STATISTICS_CMD: time out after 2000ms.
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Current CMD queue read_ptr 54 write_ptr 55
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 6
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Loaded firmware version: 73.35c0a2c6.0 QuZ-a0-jf-b0-73.ucode
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000084 | NMI_INTERRUPT_UNKNOWN
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x1080A200 | trm_hw_status0
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00010000 | trm_hw_status1
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x004C352E | branchlink2
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0000638C | interruptlink1
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0000638C | interruptlink2
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00011864 | data1
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x01000000 | data2
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | data3
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x5F008D9F | beacon time
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x9892726D | tsf low
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000083 | tsf hi
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00008D3B | time gp1
>>> Apr 10 00:32:36 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x2124C243 | time gp2
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000001 | uCode revision type
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000049 | uCode version major
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x35C0A2C6 | uCode version minor
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000351 | hw version
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00489001 | board version
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0489001C | hcmd
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0xE682B000 | isr0
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x09040000 | isr1
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x08F0011A | isr2
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00C3028C | isr3
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | isr4
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0488001C | last cmd Id
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00011864 | wait_event
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x000000C4 | l2p_control
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00018034 | l2p_duration
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000007 | l2p_mhvalid
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000081 | l2p_addr_match
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000009 | lmpm_pmg_sel
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | timestamp
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000808 | flow_handler
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Start IWL Error Log Dump:
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Transport status: 0x0000004A, valid: 7
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x20000066 | NMI_INTERRUPT_HOST
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac branchlink1
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x80453B88 | umac branchlink2
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x8046FE32 | umac interruptlink1
>>> Apr 10 00:32:37 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x8046FE32 | umac interruptlink2
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x01000000 | umac data1
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x8046FE32 | umac data2
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | umac data3
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000049 | umac major
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x35C0A2C6 | umac minor
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x2124C241 | frame pointer
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0xC0886264 | stack pointer
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0036019C | last host cmd
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000000 | isr status reg
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: IML/ROM dump:
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000003 | IML/ROM error/state
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00005404 | IML/ROM data1
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00000080 | IML/ROM WFPM_AUTH_KEY_0
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Fseq Registers:
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x60000000 | FSEQ_ERROR_CODE
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x80260000 | FSEQ_TOP_INIT_VERSION
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x00020006 | FSEQ_CNVIO_INIT_VERSION
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0000A384 | FSEQ_OTP_VERSION
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x3D544A68 | FSEQ_TOP_CONTENT_VERSION
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x4552414E | FSEQ_ALIVE_TOKEN
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x20000302 | FSEQ_CNVI_ID
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x01300202 | FSEQ_CNVR_ID
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x20000302 | CNVI_AUX_MISC_CHIP
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x01300202 | CNVR_AUX_MISC_CHIP
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0x0000485B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: 0xA5A5A5A2 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: WRT: Collecting data: ini trigger 4 fired (delay=0ms).
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: ieee80211 phy0: Hardware restart was requested
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: iwlwifi 0000:00:14.3: Hardware error detected. Restarting.
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: BUG: kernel NULL pointer dereference, address: 0000000000000150
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: #PF: supervisor read access in kernel mode
>>> -- Boot 60997fcc74c1448a967138e3f6d00cbf --
>>> Apr 10 00:34:49 marvin-IdeaPad-3-15ITL6 kernel: microcode: updated early: 0xa4 -> 0xa6, date = 2022-06-28
>>>
>>> Apr 10 00:32:38 marvin-IdeaPad-3-15ITL6 kernel: #PF: supervisor read access in kernel mode
>>> -- Boot 60997fcc74c1448a967138e3f6d00cbf --
>>> Apr 10 00:34:49 marvin-IdeaPad-3-15ITL6 kernel: microcode: updated early: 0xa4 -> 0xa6, date = 2022-06-28
>>>
>>> I will add "make kselftest" log to the directory with lshw and config.
>>>
>>> Best regards,
>>> Mirsad
>>>
>> Thanks for the report!
>> The kernel stack there is not a real kernel crash, but is a result of a WARN_ON() in the code.
>> However, there's a kernel NULL pointer deref later. Can I ask you to collect a log of the
>> crash itself? Maybe with netconsole if the machine completely crashes?
>
> Hi, Mr. Greenman,
>
> Did you see the provided journalctl at the link?
>
> I have found this interesting information:
>
> other info that might help us debug this:
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: Possible unsafe locking scenario:
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: CPU0
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ----
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: lock(&local->queue_stop_reason_lock);
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: <Interrupt>
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: lock(&local->queue_stop_reason_lock);
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel:
> *** DEADLOCK ***
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: 8 locks held by kworker/5:0/25656:
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: #0: ffff9d618009d138 ((wq_completion)events_freezable){+.+.}-{0:0}, at:
> process_one_work+0x1ca/0x530
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: #1: ffffb1ef4637fe68 ((work_completion)(&local->restart_work)){+.+.}-{0:0}, at:
> process_one_work+0x1ce/0x530
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: #2: ffffffff9f166548 (rtnl_mutex){+.+.}-{3:3}, at: return_to_handler+0x0/0x40
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: #3: ffff9d6190778728 (&rdev->wiphy.mtx){+.+.}-{3:3}, at: return_to_handler+0x0/0x40
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: #4: ffff9d619077b480 (&mvm->mutex){+.+.}-{3:3}, at: return_to_handler+0x0/0x40
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: #5: ffff9d61907bacd8 (&trans_pcie->mutex){+.+.}-{3:3}, at: return_to_handler+0x0/0x40
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: #6: ffffffff9ef9cda0 (rcu_read_lock){....}-{1:2}, at:
> iwl_mvm_queue_state_change+0x59/0x3a0 [iwlmvm]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: #7: ffffffff9ef9cda0 (rcu_read_lock){....}-{1:2}, at:
> iwl_mvm_mac_itxq_xmit+0x42/0x210 [iwlmvm]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel:
> stack backtrace:
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: CPU: 5 PID: 25656 Comm: kworker/5:0 Tainted: G W
> 6.3.0-rc6-mt-20230401-00001-gf86822a1170f #4
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: Hardware name: LENOVO 82H8/LNVNB161216, BIOS GGCN51WW 11/16/2022
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: Workqueue: events_freezable ieee80211_restart_work [mac80211]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: Call Trace:
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: <TASK>
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: dump_stack_lvl+0x5f/0xa0
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: dump_stack+0x14/0x20
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: print_usage_bug.part.46+0x208/0x2a0
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: mark_lock.part.47+0x605/0x630
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? sched_clock+0xd/0x20
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? trace_clock_local+0x14/0x30
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? __rb_reserve_next+0x5f/0x490
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? _raw_spin_lock+0x1b/0x50
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: __lock_acquire+0x464/0x1990
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? mark_held_locks+0x4e/0x80
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: lock_acquire+0xc7/0x2d0
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_return_to_handler+0x8b/0x100
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? preempt_count_add+0x4/0x70
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: _raw_spin_lock+0x36/0x50
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ieee80211_tx_dequeue+0xb4/0x1330 [mac80211]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? prepare_ftrace_return+0xc5/0x190
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_graph_func+0x16/0x20
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? 0xffffffffc02ab0b1
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? lock_acquire+0xc7/0x2d0
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? iwl_mvm_mac_itxq_xmit+0x42/0x210 [iwlmvm]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ieee80211_tx_dequeue+0x9/0x1330 [mac80211]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? __rcu_read_lock+0x4/0x40
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: iwl_mvm_mac_itxq_xmit+0xae/0x210 [iwlmvm]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: iwl_mvm_queue_state_change+0x311/0x3a0 [iwlmvm]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: iwl_mvm_wake_sw_queue+0x17/0x20 [iwlmvm]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: iwl_txq_gen2_unmap+0x1c9/0x1f0 [iwlwifi]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: iwl_txq_gen2_free+0x55/0x130 [iwlwifi]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: iwl_txq_gen2_tx_free+0x63/0x80 [iwlwifi]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: _iwl_trans_pcie_gen2_stop_device+0x3f3/0x5b0 [iwlwifi]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? _iwl_trans_pcie_gen2_stop_device+0x9/0x5b0 [iwlwifi]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? mutex_lock_nested+0x4/0x30
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: iwl_trans_pcie_gen2_stop_device+0x5f/0x90 [iwlwifi]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: iwl_mvm_stop_device+0x78/0xd0 [iwlmvm]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: __iwl_mvm_mac_start+0x114/0x210 [iwlmvm]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: iwl_mvm_mac_start+0x76/0x150 [iwlmvm]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: drv_start+0x79/0x180 [mac80211]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ieee80211_reconfig+0x1523/0x1ce0 [mac80211]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? synchronize_net+0x4/0x50
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ieee80211_restart_work+0x108/0x170 [mac80211]
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: process_one_work+0x250/0x530
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? ftrace_regs_caller_end+0x66/0x66
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: worker_thread+0x48/0x3a0
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? __pfx_worker_thread+0x10/0x10
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: kthread+0x10f/0x140
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ? __pfx_kthread+0x10/0x10
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: ret_from_fork+0x29/0x50
> Apr 10 00:58:33 marvin-IdeaPad-3-15ITL6 kernel: </TASK>
>
> Other than this, I am not technically savvy enough to give the other possible logs
> than /var/log/syslog and journalctl ...
>
> Could you please give additional instructions.
>
> Thank you very much.
Hi, Gregory,
I have browsed through the material I provided, and somehow the NULL pointer dereference is not
there in the logs. But I am certain that I have copied this line with the kernel BUG from the
logs. I haven't erased any logs yet, so I believe I will be able to recover these log lines
as soon as I get physically to the device.
Best regards,
Mirsad
--
Mirsad Todorovac
System engineer
Faculty of Graphic Arts | Academy of Fine Arts
University of Zagreb
Republic of Croatia, the European Union
Sistem inženjer
Grafički fakultet | Akademija likovnih umjetnosti
Sveučilište u Zagrebu
next prev parent reply other threads:[~2023-04-13 6:38 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-09 22:21 BUG: drivers/net/wireless: iwlwifi: IWL Error: ieee80211 phy0: Hardware restart was requested Mirsad Goran Todorovac
2023-04-09 23:43 ` BUG: drivers/net/wireless: iwlwifi: IWL Error: "BUG: kernel NULL pointer dereference, address: 0000000000000150" Mirsad Goran Todorovac
2023-04-11 8:47 ` Greenman, Gregory
2023-04-12 11:46 ` Mirsad Todorovac
2023-04-13 6:38 ` Mirsad Goran Todorovac [this message]
2023-04-14 8:44 ` BUG: drivers/net/wireless: iwlwifi: IWL Error: "BUG: kernel NULL pointer dereference, address: 0000000000000150" P.S Mirsad Todorovac
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