intel AX200 system crash

[jay_chen]

 I'm using kernel version 5.4.47, and during its usage, I encountered a signal loss, a wifi ucode error, and subsequently experienced wifi issues that led to a system crash

what can i do

Nov 1 15:07:30 DPINRDI kernel: [82958.527835] wlp1s0: moving STA a4:9b:cd:bc:6f:0d to state 2
Nov 1 15:07:30 DPINRDI kernel: [82958.527847] wlp1s0: moving STA a4:9b:cd:bc:6f:0d to state 1
Nov 1 15:07:30 DPINRDI kernel: [82958.528233] wlp1s0: Removed STA a4:9b:cd:bc:6f:0d
Nov 1 15:07:30 DPINRDI kernel: [82958.528529] wlp1s0: Destroyed STA a4:9b:cd:bc:6f:0d
Nov 1 15:07:30 DPINRDI kernel: [82958.530125] wlp1s0: authenticate with a4:9b:cd:bd:1a:6d
Nov 1 15:07:30 DPINRDI kernel: [82958.530155] wlp1s0: Allocated STA a4:9b:cd:bd:1a:6d
Nov 1 15:07:30 DPINRDI kernel: [82958.531162] wlp1s0: Inserted STA a4:9b:cd:bd:1a:6d
Nov 1 15:07:30 DPINRDI kernel: [82958.531386] wlp1s0: send auth to a4:9b:cd:bd:1a:6d (try 1/3)
Nov 1 15:07:30 DPINRDI kernel: [82958.558346] wlp1s0: authenticated
Nov 1 15:07:30 DPINRDI kernel: [82958.558359] wlp1s0: moving STA a4:9b:cd:bd:1a:6d to state 2
Nov 1 15:07:30 DPINRDI kernel: [82958.562086] wlp1s0: associate with a4:9b:cd:bd:1a:6d (try 1/3)
Nov 1 15:07:30 DPINRDI kernel: [82958.570284] wlp1s0: RX ReassocResp from a4:9b:cd:bd:1a:6d (capab=0x1101 status=0 aid=11)
Nov 1 15:07:30 DPINRDI kernel: [82958.570312] wlp1s0: moving STA a4:9b:cd:bd:1a:6d to state 3
Nov 1 15:07:30 DPINRDI kernel: [82958.571698] wlp1s0: associated
Nov 1 15:07:30 DPINRDI kernel: [82958.571763] wlp1s0: AddBA Req buf_size=64 for a4:9b:cd:bd:1a:6d
Nov 1 15:07:30 DPINRDI kernel: [82958.572058] wlp1s0: Rx A-MPDU request on a4:9b:cd:bd:1a:6d tid 0 result 0
Nov 1 15:07:30 DPINRDI kernel: [82958.573267] wlp1s0: moving STA a4:9b:cd:bd:1a:6d to state 4
Nov 1 15:07:30 DPINRDI kernel: [82958.595751] wlp1s0: Limiting TX power to 13 (16 - 3) dBm as advertised by a4:9b:cd:bd:1a:6d
Nov 1 15:07:31 DPINRDI kernel: [82958.842937] wlp1s0: AddBA Req buf_size=64 for a4:9b:cd:bd:1a:6d
Nov 1 15:07:31 DPINRDI kernel: [82958.843153] wlp1s0: Rx A-MPDU request on a4:9b:cd:bd:1a:6d tid 3 result 0
Nov 1 15:12:24 DPINRDI kernel: [83251.640667] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x0.
Nov 1 15:12:24 DPINRDI kernel: [83251.648016] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
Nov 1 15:12:24 DPINRDI kernel: [83251.653618] iwlwifi 0000:01:00.0: Status: 0x00000040, count: 6
Nov 1 15:12:24 DPINRDI kernel: [83251.659476] iwlwifi 0000:01:00.0: Loaded firmware version: 48.4fa0041f.0
Nov 1 15:12:24 DPINRDI kernel: [83251.666194] iwlwifi 0000:01:00.0: 0x00004424 | ADVANCED_SYSASSERT
Nov 1 15:12:24 DPINRDI kernel: [83251.673176] iwlwifi 0000:01:00.0: 0x000022F1 | trm_hw_status0
Nov 1 15:12:24 DPINRDI kernel: [83251.678936] iwlwifi 0000:01:00.0: 0x00000000 | trm_hw_status1
Nov 1 15:12:24 DPINRDI kernel: [83251.684711] iwlwifi 0000:01:00.0: 0x004F8E3C | branchlink2
Nov 1 15:12:24 DPINRDI kernel: [83251.690215] iwlwifi 0000:01:00.0: 0x004E4FF4 | interruptlink1
Nov 1 15:12:24 DPINRDI kernel: [83251.695980] iwlwifi 0000:01:00.0: 0x004E4FF4 | interruptlink2
Nov 1 15:12:24 DPINRDI kernel: [83251.701739] iwlwifi 0000:01:00.0: 0x00027E8A | data1
Nov 1 15:12:24 DPINRDI kernel: [83251.706724] iwlwifi 0000:01:00.0: 0x00000007 | data2
Nov 1 15:12:24 DPINRDI kernel: [83251.711702] iwlwifi 0000:01:00.0: 0x00000FFE | data3
Nov 1 15:12:24 DPINRDI kernel: [83251.716686] iwlwifi 0000:01:00.0: 0xCB407BE6 | beacon time
Nov 1 15:12:24 DPINRDI kernel: [83251.722185] iwlwifi 0000:01:00.0: 0xE045768D | tsf low
Nov 1 15:12:24 DPINRDI kernel: [83251.727342] iwlwifi 0000:01:00.0: 0x000005DE | tsf hi
Nov 1 15:12:24 DPINRDI kernel: [83251.732407] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
Nov 1 15:12:24 DPINRDI kernel: [83251.737654] iwlwifi 0000:01:00.0: 0x44D219B7 | time gp2
Nov 1 15:12:24 DPINRDI kernel: [83251.742893] iwlwifi 0000:01:00.0: 0x00000001 | uCode revision type
Nov 1 15:12:24 DPINRDI kernel: [83251.749094] iwlwifi 0000:01:00.0: 0x00000030 | uCode version major
Nov 1 15:12:24 DPINRDI kernel: [83251.755292] iwlwifi 0000:01:00.0: 0x4FA0041F | uCode version minor
Nov 1 15:12:24 DPINRDI kernel: [83251.761499] iwlwifi 0000:01:00.0: 0x00000340 | hw version
Nov 1 15:12:24 DPINRDI kernel: [83251.766913] iwlwifi 0000:01:00.0: 0x00C89000 | board version
Nov 1 15:12:24 DPINRDI kernel: [83251.772590] iwlwifi 0000:01:00.0: 0x047E001C | hcmd
Nov 1 15:12:24 DPINRDI kernel: [83251.777483] iwlwifi 0000:01:00.0: 0x00120000 | isr0
Nov 1 15:12:24 DPINRDI kernel: [83251.782378] iwlwifi 0000:01:00.0: 0x00400000 | isr1
Nov 1 15:12:24 DPINRDI kernel: [83251.787274] iwlwifi 0000:01:00.0: 0x08F00002 | isr2
Nov 1 15:12:24 DPINRDI kernel: [83251.792173] iwlwifi 0000:01:00.0: 0x04C1F70E | isr3
Nov 1 15:12:24 DPINRDI kernel: [83251.797067] iwlwifi 0000:01:00.0: 0x00000000 | isr4
Nov 1 15:12:24 DPINRDI kernel: [83251.801969] iwlwifi 0000:01:00.0: 0x0030019C | last cmd Id
Nov 1 15:12:24 DPINRDI kernel: [83251.807473] iwlwifi 0000:01:00.0: 0x0001503E | wait_event
Nov 1 15:12:24 DPINRDI kernel: [83251.812893] iwlwifi 0000:01:00.0: 0x00000000 | l2p_control
Nov 1 15:12:24 DPINRDI kernel: [83251.818402] iwlwifi 0000:01:00.0: 0x00000820 | l2p_duration
Nov 1 15:12:24 DPINRDI kernel: [83251.824002] iwlwifi 0000:01:00.0: 0x000000BF | l2p_mhvalid
Nov 1 15:12:24 DPINRDI kernel: [83251.829506] iwlwifi 0000:01:00.0: 0x00000000 | l2p_addr_match
Nov 1 15:12:24 DPINRDI kernel: [83251.835273] iwlwifi 0000:01:00.0: 0x00000009 | lmpm_pmg_sel
Nov 1 15:12:24 DPINRDI kernel: [83251.840858] iwlwifi 0000:01:00.0: 0x00000000 | timestamp
Nov 1 15:12:24 DPINRDI kernel: [83251.846192] iwlwifi 0000:01:00.0: 0x000088EC | flow_handler
Nov 1 15:12:24 DPINRDI kernel: [83251.851815] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
Nov 1 15:12:24 DPINRDI kernel: [83251.857408] iwlwifi 0000:01:00.0: Status: 0x00000040, count: 7
Nov 1 15:12:24 DPINRDI kernel: [83251.863262] iwlwifi 0000:01:00.0: 0x20000070 | NMI_INTERRUPT_LMAC_FATAL
Nov 1 15:12:24 DPINRDI kernel: [83251.869899] iwlwifi 0000:01:00.0: 0x00000000 | umac branchlink1
Nov 1 15:12:24 DPINRDI kernel: [83251.875839] iwlwifi 0000:01:00.0: 0xC008CC3C | umac branchlink2
Nov 1 15:12:24 DPINRDI kernel: [83251.881787] iwlwifi 0000:01:00.0: 0x8048D0E6 | umac interruptlink1
Nov 1 15:12:24 DPINRDI kernel: [83251.887996] iwlwifi 0000:01:00.0: 0x8048D0E6 | umac interruptlink2
Nov 1 15:12:24 DPINRDI kernel: [83251.894203] iwlwifi 0000:01:00.0: 0x00000400 | umac data1
Nov 1 15:12:24 DPINRDI kernel: [83251.899619] iwlwifi 0000:01:00.0: 0x8048D0E6 | umac data2
Nov 1 15:12:24 DPINRDI kernel: [83251.905040] iwlwifi 0000:01:00.0: 0x00000000 | umac data3
Nov 1 15:12:24 DPINRDI kernel: [83251.910456] iwlwifi 0000:01:00.0: 0x00000030 | umac major
Nov 1 15:12:24 DPINRDI kernel: [83251.915877] iwlwifi 0000:01:00.0: 0x4FA0041F | umac minor
Nov 1 15:12:24 DPINRDI kernel: [83251.921290] iwlwifi 0000:01:00.0: 0x44D219C6 | frame pointer
Nov 1 15:12:24 DPINRDI kernel: [83251.926972] iwlwifi 0000:01:00.0: 0xC0886284 | stack pointer
Nov 1 15:12:24 DPINRDI kernel: [83251.932646] iwlwifi 0000:01:00.0: 0x0030019C | last host cmd
Nov 1 15:12:24 DPINRDI kernel: [83251.935927] iwlwifi 0000:01:00.0: Scan failed! ret -5
Nov 1 15:12:24 DPINRDI kernel: [83251.938333] iwlwifi 0000:01:00.0: 0x00000000 | isr status reg
Nov 1 15:12:24 DPINRDI kernel: [83251.949146] iwlwifi 0000:01:00.0: Fseq Registers:
Nov 1 15:12:24 DPINRDI kernel: [83251.953854] iwlwifi 0000:01:00.0: 0xE0000101 | FSEQ_ERROR_CODE
Nov 1 15:12:24 DPINRDI kernel: [83251.959687] iwlwifi 0000:01:00.0: 0x00290021 | FSEQ_TOP_INIT_VERSION
Nov 1 15:12:24 DPINRDI kernel: [83251.966044] iwlwifi 0000:01:00.0: 0x80050008 | FSEQ_CNVIO_INIT_VERSION
Nov 1 15:12:24 DPINRDI kernel: [83251.972570] iwlwifi 0000:01:00.0: 0x0000A503 | FSEQ_OTP_VERSION
Nov 1 15:12:24 DPINRDI kernel: [83251.978489] iwlwifi 0000:01:00.0: 0x80000003 | FSEQ_TOP_CONTENT_VERSION
Nov 1 15:12:24 DPINRDI kernel: [83251.985105] iwlwifi 0000:01:00.0: 0x4552414E | FSEQ_ALIVE_TOKEN
Nov 1 15:12:24 DPINRDI kernel: [83251.991027] iwlwifi 0000:01:00.0: 0x00100530 | FSEQ_CNVI_ID
Nov 1 15:12:24 DPINRDI kernel: [83251.996601] iwlwifi 0000:01:00.0: 0x00000532 | FSEQ_CNVR_ID
Nov 1 15:12:24 DPINRDI kernel: [83252.002173] iwlwifi 0000:01:00.0: 0x00100530 | CNVI_AUX_MISC_CHIP
Nov 1 15:12:24 DPINRDI kernel: [83252.008271] iwlwifi 0000:01:00.0: 0x00000532 | CNVR_AUX_MISC_CHIP
Nov 1 15:12:24 DPINRDI kernel: [83252.014366] iwlwifi 0000:01:00.0: 0x05B0905B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
Nov 1 15:12:24 DPINRDI kernel: [83252.022198] iwlwifi 0000:01:00.0: 0x0000025B | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
Nov 1 15:12:24 DPINRDI kernel: [83252.030554] iwlwifi 0000:01:00.0: Collecting data: trigger 2 fired.
Nov 1 15:12:24 DPINRDI kernel: [83252.030568] ieee80211 phy0: Hardware restart was requested
Nov 1 15:12:24 DPINRDI kernel: [83252.030585] ------------[ cut here ]------------
Nov 1 15:12:24 DPINRDI kernel: [83252.030683] WARNING: CPU: 3 PID: 43590 at net/mac80211/scan.c:395 __ieee80211_scan_completed+0x15c/0x1e0 [mac80211]
Nov 1 15:12:24 DPINRDI kernel: [83252.030690] Modules linked in: usb_f_mass_storage usb_f_rndis u_ether libcomposite btusb btrtl btintel btbcm bluetooth crct10dif_ce phy_generic mcp25xxfd ti_ads1015 leds_lp50xx_common can_dev pn5xx_i2c iwlmvm mac80211 iwlwifi cfg80211 rfkill ip_tables x_tables
Nov 1 15:12:24 DPINRDI kernel: [83252.030731] CPU: 3 PID: 43590 Comm: kworker/u8:0 Tainted: G W 5.4.47+ #529
Nov 1 15:12:24 DPINRDI kernel: [83252.030735] Hardware name: FSL i.MX8MM EVK board (DT)
Nov 1 15:12:24 DPINRDI kernel: [83252.030795] Workqueue: phy0 ieee80211_scan_work [mac80211]
Nov 1 15:12:24 DPINRDI kernel: [83252.030803] pstate: 20000005 (nzCv daif -PAN -UAO)
Nov 1 15:12:24 DPINRDI kernel: [83252.030849] pc : __ieee80211_scan_completed+0x15c/0x1e0 [mac80211]
Nov 1 15:12:24 DPINRDI kernel: [83252.030895] lr : ieee80211_scan_work+0x70/0x5b0 [mac80211]
Nov 1 15:12:24 DPINRDI kernel: [83252.030897] sp : ffff80001380bd10
Nov 1 15:12:24 DPINRDI kernel: [83252.030899] x29: ffff80001380bd10 x28: 0000000000000000
Nov 1 15:12:24 DPINRDI kernel: [83252.030902] x27: 0000000000000000 x26: ffff800010102a50
Nov 1 15:12:24 DPINRDI kernel: [83252.030906] x25: 0000000000000002 x24: ffff000170b599e0
Nov 1 15:12:24 DPINRDI kernel: [83252.030909] x23: ffff000177b99900 x22: 0000000000000000
Nov 1 15:12:24 DPINRDI kernel: [83252.030914] x21: 0000000000000001 x20: ffff000170b587c0
Nov 1 15:12:24 DPINRDI kernel: [83252.030917] x19: 0000000000000000 x18: 0000000000000000
Nov 1 15:12:24 DPINRDI kernel: [83252.030920] x17: 0000000000000000 x16: 0000000000000000
Nov 1 15:12:24 DPINRDI kernel: [83252.030923] x15: 0000000000000000 x14: 0000000000000000
Nov 1 15:12:24 DPINRDI kernel: [83252.030926] x13: 0000000000000001 x12: 0000000000000000
Nov 1 15:12:24 DPINRDI kernel: [83252.030929] x11: 00000000000001bf x10: 00000000000009c0
Nov 1 15:12:24 DPINRDI kernel: [83252.030933] x9 : ffff80001380bd60 x8 : ffff00017688d020
Nov 1 15:12:24 DPINRDI kernel: [83252.030937] x7 : fefefefefefefeff x6 : 0000000000000000
Nov 1 15:12:24 DPINRDI kernel: [83252.030940] x5 : ffffffffffffede8 x4 : 0000000000000000
Nov 1 15:12:24 DPINRDI kernel: [83252.030943] x3 : 0000000000000000 x2 : 0000000000000010
Nov 1 15:12:24 DPINRDI kernel: [83252.030947] x1 : 0000000000000000 x0 : ffff000170b587c0
Nov 1 15:12:24 DPINRDI kernel: [83252.030951] Call trace:
Nov 1 15:12:24 DPINRDI kernel: [83252.030995] __ieee80211_scan_completed+0x15c/0x1e0 [mac80211]
Nov 1 15:12:24 DPINRDI kernel: [83252.031039] ieee80211_scan_work+0x70/0x5b0 [mac80211]
Nov 1 15:12:24 DPINRDI kernel: [83252.031073] process_one_work+0x1e0/0x358
Nov 1 15:12:24 DPINRDI kernel: [83252.031078] worker_thread+0x40/0x488
Nov 1 15:12:24 DPINRDI kernel: [83252.031084] kthread+0x118/0x120
Nov 1 15:12:24 DPINRDI kernel: [83252.031097] ret_from_fork+0x10/0x18
Nov 1 15:12:24 DPINRDI kernel: [83252.031102] ---[ end trace 031557ed2f53d2b2 ]---
Nov 1 15:12:25 DPINRDI kernel: [83252.741544] iwlwifi 0000:01:00.0: Applying debug destination EXTERNAL_DRAM
Nov 1 15:12:25 DPINRDI kernel: [83252.889353] iwlwifi 0000:01:00.0: FW already configured (0) - re-configuring
Nov 1 15:12:25 DPINRDI kernel: [83252.900922] wlp1s0: Rx BA session stop requested for a4:9b:cd:bd:1a:6d tid 0 recipient reason: 36
Nov 1 15:12:25 DPINRDI kernel: [83252.908219] wlp1s0: Rx BA session stop requested for a4:9b:cd:bd:1a:6d tid 3 recipient reason: 36
Nov 1 15:12:29 DPINRDI kernel: [83257.404553] iwlwifi 0000:01:00.0: Microcode SW error detected. Restarting 0x0.
Nov 1 15:12:29 DPINRDI kernel: [83257.411903] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
Nov 1 15:12:29 DPINRDI kernel: [83257.417509] iwlwifi 0000:01:00.0: Status: 0x00000040, count: 6
Nov 1 15:12:29 DPINRDI kernel: [83257.423368] iwlwifi 0000:01:00.0: Loaded firmware version: 48.4fa0041f.0
Nov 1 15:12:29 DPINRDI kernel: [83257.430094] iwlwifi 0000:01:00.0: 0x00004424 | ADVANCED_SYSASSERT
Nov 1 15:12:29 DPINRDI kernel: [83257.437076] iwlwifi 0000:01:00.0: 0x000022F2 | trm_hw_status0
Nov 1 15:12:29 DPINRDI kernel: [83257.442838] iwlwifi 0000:01:00.0: 0x00000000 | trm_hw_status1
Nov 1 15:12:29 DPINRDI kernel: [83257.448599] iwlwifi 0000:01:00.0: 0x004F8E3C | branchlink2
Nov 1 15:12:29 DPINRDI kernel: [83257.454108] iwlwifi 0000:01:00.0: 0x00000E26 | interruptlink1
Nov 1 15:12:29 DPINRDI kernel: [83257.459877] iwlwifi 0000:01:00.0: 0x00000E26 | interruptlink2
Nov 1 15:12:29 DPINRDI kernel: [83257.465638] iwlwifi 0000:01:00.0: 0x00010006 | data1
Nov 1 15:12:29 DPINRDI kernel: [83257.470620] iwlwifi 0000:01:00.0: 0x00000003 | data2
Nov 1 15:12:29 DPINRDI kernel: [83257.475600] iwlwifi 0000:01:00.0: 0x00000FFE | data3
Nov 1 15:12:29 DPINRDI kernel: [83257.480582] iwlwifi 0000:01:00.0: 0x0B40094D | beacon time
Nov 1 15:12:29 DPINRDI kernel: [83257.486081] iwlwifi 0000:01:00.0: 0xE09D691F | tsf low
Nov 1 15:12:29 DPINRDI kernel: [83257.491241] iwlwifi 0000:01:00.0: 0x000005DE | tsf hi
Nov 1 15:12:29 DPINRDI kernel: [83257.496308] iwlwifi 0000:01:00.0: 0x00000000 | time gp1
Nov 1 15:12:29 DPINRDI kernel: [83257.501553] iwlwifi 0000:01:00.0: 0x00472600 | time gp2
Nov 1 15:12:29 DPINRDI kernel: [83257.506794] iwlwifi 0000:01:00.0: 0x00000001 | uCode revision type
Nov 1 15:12:29 DPINRDI kernel: [83257.512994] iwlwifi 0000:01:00.0: 0x00000030 | uCode version major
Nov 1 15:12:29 DPINRDI kernel: [83257.519192] iwlwifi 0000:01:00.0: 0x4FA0041F | uCode version minor
Nov 1 15:12:29 DPINRDI kernel: [83257.525398] iwlwifi 0000:01:00.0: 0x00000340 | hw version
Nov 1 15:12:29 DPINRDI kernel: [83257.530811] iwlwifi 0000:01:00.0: 0x00C89000 | board version
Nov 1 15:12:29 DPINRDI kernel: [83257.536489] iwlwifi 0000:01:00.0: 0x0300001C | hcmd
Nov 1 15:12:29 DPINRDI kernel: [83257.541381] iwlwifi 0000:01:00.0: 0x02620000 | isr0
Nov 1 15:12:29 DPINRDI kernel: [83257.546280] iwlwifi 0000:01:00.0: 0x00000000 | isr1
Nov 1 15:12:29 DPINRDI kernel: [83257.551171] iwlwifi 0000:01:00.0: 0x08F00002 | isr2
Nov 1 15:12:29 DPINRDI kernel: [83257.556065] iwlwifi 0000:01:00.0: 0x04C00008 | isr3
Nov 1 15:12:29 DPINRDI kernel: [83257.560957] iwlwifi 0000:01:00.0: 0x00000000 | isr4
Nov 1 15:12:29 DPINRDI kernel: [83257.565853] iwlwifi 0000:01:00.0: 0x804D009D | last cmd Id
Nov 1 15:12:29 DPINRDI kernel: [83257.571356] iwlwifi 0000:01:00.0: 0x00016FF4 | wait_event
Nov 1 15:12:29 DPINRDI kernel: [83257.576770] iwlwifi 0000:01:00.0: 0x00000000 | l2p_control
Nov 1 15:12:29 DPINRDI kernel: [83257.582271] iwlwifi 0000:01:00.0: 0x00001C20 | l2p_duration
Nov 1 15:12:29 DPINRDI kernel: [83257.587862] iwlwifi 0000:01:00.0: 0x00000000 | l2p_mhvalid
Nov 1 15:12:29 DPINRDI kernel: [83257.593363] iwlwifi 0000:01:00.0: 0x00000080 | l2p_addr_match
Nov 1 15:12:29 DPINRDI kernel: [83257.599127] iwlwifi 0000:01:00.0: 0x00000009 | lmpm_pmg_sel
Nov 1 15:12:29 DPINRDI kernel: [83257.604713] iwlwifi 0000:01:00.0: 0x00000000 | timestamp
Nov 1 15:12:29 DPINRDI kernel: [83257.610046] iwlwifi 0000:01:00.0: 0x000080D8 | flow_handler
Nov 1 15:12:29 DPINRDI kernel: [83257.615674] iwlwifi 0000:01:00.0: Start IWL Error Log Dump:
Nov 1 15:12:30 DPINRDI kernel: [83257.621286] iwlwifi 0000:01:00.0: Status: 0x00000040, count: 7
Nov 1 15:12:30 DPINRDI kernel: [83257.627154] iwlwifi 0000:01:00.0: 0x20000070 | NMI_INTERRUPT_LMAC_FATAL
Nov 1 15:12:30 DPINRDI kernel: [83257.633797] iwlwifi 0000:01:00.0: 0x00000000 | umac branchlink1
Nov 1 15:12:30 DPINRDI kernel: [83257.639735] iwlwifi 0000:01:00.0: 0xC008CC3C | umac branchlink2
Nov 1 15:12:30 DPINRDI kernel: [83257.645682] iwlwifi 0000:01:00.0: 0x8048D0E6 | umac interruptlink1
Nov 1 15:12:30 DPINRDI kernel: [83257.651877] iwlwifi 0000:01:00.0: 0x8048D0E6 | umac interruptlink2
Nov 1 15:12:30 DPINRDI kernel: [83257.658077] iwlwifi 0000:01:00.0: 0x00000400 | umac data1
Nov 1 15:12:30 DPINRDI kernel: [83257.663494] iwlwifi 0000:01:00.0: 0x8048D0E6 | umac data2
Nov 1 15:12:30 DPINRDI kernel: [83257.668909] iwlwifi 0000:01:00.0: 0x00000000 | umac data3
Nov 1 15:12:30 DPINRDI kernel: [83257.674321] iwlwifi 0000:01:00.0: 0x00000030 | umac major
Nov 1 15:12:30 DPINRDI kernel: [83257.679737] iwlwifi 0000:01:00.0: 0x4FA0041F | umac minor
Nov 1 15:12:30 DPINRDI kernel: [83257.685148] iwlwifi 0000:01:00.0: 0x00472610 | frame pointer
Nov 1 15:12:30 DPINRDI kernel: [83257.690866] iwlwifi 0000:01:00.0: 0xC0886284 | stack pointer
Nov 1 15:12:30 DPINRDI kernel: [83257.696562] iwlwifi 0000:01:00.0: 0x0049019C | last host cmd
Nov 1 15:12:30 DPINRDI kernel: [83257.702246] iwlwifi 0000:01:00.0: 0x00000000 | isr status reg
Nov 1 15:12:30 DPINRDI kernel: [83257.708017] iwlwifi 0000:01:00.0: Fseq Registers:
Nov 1 15:12:30 DPINRDI kernel: [83257.712727] iwlwifi 0000:01:00.0: 0xE0000101 | FSEQ_ERROR_CODE
Nov 1 15:12:30 DPINRDI kernel: [83257.718561] iwlwifi 0000:01:00.0: 0x00290021 | FSEQ_TOP_INIT_VERSION
Nov 1 15:12:30 DPINRDI kernel: [83257.724915] iwlwifi 0000:01:00.0: 0x80050008 | FSEQ_CNVIO_INIT_VERSION
Nov 1 15:12:30 DPINRDI kernel: [83257.731442] iwlwifi 0000:01:00.0: 0x0000A503 | FSEQ_OTP_VERSION
Nov 1 15:12:30 DPINRDI kernel: [83257.737364] iwlwifi 0000:01:00.0: 0x80000003 | FSEQ_TOP_CONTENT_VERSION
Nov 1 15:12:30 DPINRDI kernel: [83257.743978] iwlwifi 0000:01:00.0: 0x4552414E | FSEQ_ALIVE_TOKEN
Nov 1 15:12:30 DPINRDI kernel: [83257.749898] iwlwifi 0000:01:00.0: 0x00100530 | FSEQ_CNVI_ID
Nov 1 15:12:30 DPINRDI kernel: [83257.755472] iwlwifi 0000:01:00.0: 0x00000532 | FSEQ_CNVR_ID
Nov 1 15:12:30 DPINRDI kernel: [83257.761047] iwlwifi 0000:01:00.0: 0x00100530 | CNVI_AUX_MISC_CHIP
Nov 1 15:12:30 DPINRDI kernel: [83257.767143] iwlwifi 0000:01:00.0: 0x00000532 | CNVR_AUX_MISC_CHIP
Nov 1 15:12:30 DPINRDI kernel: [83257.773239] iwlwifi 0000:01:00.0: 0x05B0905B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
Nov 1 15:12:30 DPINRDI kernel: [83257.781070] iwlwifi 0000:01:00.0: 0x0000025B | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR

[Sanket_Parekh]

Hello @jay_chen,

I hope you are doing well.

Thanks for the logs, I checked them.

It appears that the error is related to the "Microcode SW error detected"

I suggest referring to the solution provided in the below link.
https://bbs.archlinux.org/viewtopic.php?id=254766

I hope it helps!

Thanks & Regards,
Sanket Parekh

[jay_chen]

hi Sanket Parekh

thanks for you help

i have some crash logs . 

[Sanket_Parekh]

Hello @jay_chen,

I hope you are doing well.

Thanks for providing crash logs.

In order to debug this issue further please provide commands you run.
Moreover, Can you check the same using the latest Linux kernel, If possible?

It is recommended to use the latest kernel as it provides updates drivers as well as firmware to work with.

Thanks & Regards,
Sanket Parekh

[jay_chen]

hi Sanket Parekh

The system runs normally without any operation, just set wifi roaming.

But the WiFi reception is very poor

There was no similar problem in the company, but the problem appeared more serious at the customer site

A new kernel has been prepared, but no validation tests have been done

Thanks for you help 

[Sanket_Parekh]

Hello @jay_chen,

I hope you are doing well.

"A new kernel has been prepared, but no validation tests have been done"
->Okay, Please share the update regarding the same.

Moreover, Please make sure to check that on the channel where the wifi chip is running it is either supported by it or not.
It may be possible that wifi is scanning on the channel it is not supposed to do according to the licensed channel and it may lead to the crash.

What are the channels it is roaming on, Please check.
And in addition to that if the channels are too far to connect with please make sure to check the transmission power from the AP side.

I hope this will help you.

Thanks & Regards,
Sanket Parekh