Asus ExpertCenter PN41-S1 - crash in wireless firmware

T

tingo

I have a Asus ExpertCenter PN41-S1 mini PC. This has Intel WiFi, and uses the iwlwifi(4) driver.
Like this:
Code: 
root@pn41:~ # pciconf -lv | grep -B 3 network
iwlwifi0@pci0:0:20:3:	class=0x028000 rev=0x01 hdr=0x00 vendor=0x8086 device=0x4df0 subvendor=0x8086 subdevice=0x0034
    vendor     = 'Intel Corporation'
    device     = 'Jasper Lake PCH CNVi WiFi'
    class      = network
--
none8@pci0:2:0:0:	class=0x020000 rev=0x05 hdr=0x00 vendor=0x10ec device=0x8125 subvendor=0x1043 subdevice=0x87d7
    vendor     = 'Realtek Semiconductor Co., Ltd.'
    device     = 'RTL8125 2.5GbE Controller'
    class      = network
(yes, it also has a Realtek wired network, but that isn't the topic of this post).
I run FreeBSD 15.1 on it:
Code: 
root@pn41:~ # freebsd-version -ku
15.1-RELEASE-p1
15.1-RELEASE-p1
root@pn41:~ # uname -a
FreeBSD pn41 15.1-RELEASE-p1 FreeBSD 15.1-RELEASE-p1 #0 -dirty: Tue Jun 30 03:16:39 UTC 2026     root@amd64-builder.daemonology.net:/usr/obj/usr/src/amd64.amd64/sys/GENERIC amd64
A couple of times I have observed a crash with the wireless firmware, resulting in the machine needing a power off / power on to restore it. From /var/log/messages
Code: 
Jul 23 03:58:37 pn41 kernel: iwlwifi0: Microcode SW error detected. Restarting 0x0.
Jul 23 03:58:37 pn41 kernel: iwlwifi0: Start IWL Error Log Dump:
Jul 23 03:58:37 pn41 kernel: iwlwifi0: Transport status: 0x0000004B, valid: 6
Jul 23 03:58:37 pn41 kernel: iwlwifi0: Loaded firmware version: 77.30b1cbd8.0 QuZ-a0-jf-b0-77.ucode
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL    
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x0000A210 | trm_hw_status0
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000000 | trm_hw_status1
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x004C0762 | branchlink2
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x004B6E4A | interruptlink1
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x004B6E4A | interruptlink2
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00009AC8 | data1
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00001000 | data2
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000000 | data3
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x3FC0F9F3 | beacon time
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0xE93AB5E0 | tsf low
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x000004E4 | tsf hi
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000000 | time gp1
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x9E8B8260 | time gp2
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000001 | uCode revision type
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x0000004D | uCode version major
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x30B1CBD8 | uCode version minor
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000351 | hw version
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00489001 | board version
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x8030FD26 | hcmd
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0xA4020000 | isr0
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x60400000 | isr1
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x08F00002 | isr2
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00C341CE | isr3
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000000 | isr4
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x027A001C | last cmd Id
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00009AC8 | wait_event
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x000040D0 | l2p_control
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00010034 | l2p_duration
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x0000033F | l2p_mhvalid
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000080 | l2p_addr_match
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000009 | lmpm_pmg_sel
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000000 | timestamp
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00002010 | flow_handler
Jul 23 03:58:37 pn41 kernel: iwlwifi0: Start IWL Error Log Dump:
Jul 23 03:58:37 pn41 kernel: iwlwifi0: Transport status: 0x0000004B, valid: 7
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x2010350B | ADVANCED_SYSASSERT
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000000 | umac branchlink1
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x804539EE | umac branchlink2
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x01066380 | umac interruptlink1
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000000 | umac interruptlink2
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000000 | umac data1
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000001 | umac data2
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0xDEADBEEF | umac data3
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x0000004D | umac major
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x30B1CBD8 | umac minor
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x9E8B825A | frame pointer
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0xC0886BD4 | stack pointer
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x003D0516 | last host cmd
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000000 | isr status reg
Jul 23 03:58:37 pn41 kernel: iwlwifi0: IML/ROM dump:
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000003 | IML/ROM error/state
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x000054D3 | IML/ROM data1
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000080 | IML/ROM WFPM_AUTH_KEY_0
Jul 23 03:58:37 pn41 kernel: iwlwifi0: Fseq Registers:
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x60000000 | FSEQ_ERROR_CODE
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00260000 | FSEQ_TOP_INIT_VERSION
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00020006 | FSEQ_CNVIO_INIT_VERSION
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x0000A384 | FSEQ_OTP_VERSION
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0xE1EF2808 | FSEQ_TOP_CONTENT_VERSION
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x4552414E | FSEQ_ALIVE_TOKEN
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x20000302 | FSEQ_CNVI_ID
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x01300202 | FSEQ_CNVR_ID
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x20000302 | CNVI_AUX_MISC_CHIP
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x01300202 | CNVR_AUX_MISC_CHIP
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x0000485B | CNVR_SCU_SD_REGS_SD_REG_DIG_DCDC_VTRIM
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0xA5A5A5A2 | CNVR_SCU_SD_REGS_SD_REG_ACTIVE_VDIG_MIRROR
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00020006 | FSEQ_PREV_CNVIO_INIT_VERSION
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00260000 | FSEQ_WIFI_FSEQ_VERSION
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00260000 | FSEQ_BT_FSEQ_VERSION
Jul 23 03:58:37 pn41 kernel: iwlwifi0: 0x00000118 | FSEQ_CLASS_TP_VERSION
Jul 23 03:58:37 pn41 kernel: iwlwifi0: UMAC CURRENT PC: 0x8047036c
Jul 23 03:58:37 pn41 kernel: iwlwifi0: LMAC1 CURRENT PC: 0xd0
Jul 23 03:58:37 pn41 kernel: iwlwifi0: FW error in SYNC CMD UNKNOWN
Jul 23 03:58:37 pn41 kernel: iwlwifi0: Hardware error detected. Restarting.
Jul 23 03:58:37 pn41 kernel: #0 0xffffffff80e0f3ab at linux_dump_stack+0x1b
Jul 23 03:58:37 pn41 kernel: #1 0xffffffff82c53eb6 at iwl_trans_pcie_send_hcmd+0x406
Jul 23 03:58:37 pn41 kernel: #2 0xffffffff82c30eda at iwl_trans_send_cmd+0x6a
Jul 23 03:58:37 pn41 kernel: #3 0xffffffff82c98628 at iwl_mvm_send_cmd_status+0x28
Jul 23 03:58:37 pn41 kernel: #4 0xffffffff82c8a509 at iwl_mvm_sta_rx_agg+0x289
Jul 23 03:58:37 pn41 kernel: #5 0xffffffff82c5fd98 at iwl_mvm_mac_ampdu_action+0x238
Jul 23 03:58:37 pn41 kernel: #6 0xffffffff80dfe73a at lkpi_ic_ampdu_rx_start+0x13a
Jul 23 03:58:37 pn41 kernel: #7 0xffffffff80d0b68d at ht_recv_action_ba_addba_request+0x13d
Jul 23 03:58:37 pn41 kernel: #8 0xffffffff80e067b9 at lkpi_iv_sta_recv_mgmt+0x19
Jul 23 03:58:37 pn41 kernel: #9 0xffffffff80d36257 at sta_input+0xce7
Jul 23 03:58:37 pn41 kernel: #10 0xffffffff80d0fa7c at ieee80211_input_mimo+0x20c
Jul 23 03:58:37 pn41 kernel: #11 0xffffffff80df90f8 at lkpi_80211_lhw_rxq_task+0x148
Jul 23 03:58:37 pn41 kernel: #12 0xffffffff80bed282 at taskqueue_run_locked+0x182
Jul 23 03:58:37 pn41 kernel: #13 0xffffffff80bee452 at taskqueue_thread_loop+0xc2
Jul 23 03:58:37 pn41 kernel: #14 0xffffffff80b3d74b at fork_exit+0x7b
Jul 23 03:58:37 pn41 kernel: #15 0xffffffff810701ae at fork_trampoline+0xe
Jul 23 03:58:37 pn41 kernel: iwlwifi0: lkpi_ic_ampdu_rx_start: mo_ampdu_action returned -5. ni 0xfffffe007fb22000 rap 0xfffffe007fb22d58
Jul 23 03:58:37 pn41 kernel: iwlwifi0: WRT: Collecting data: ini trigger 5 fired (delay=0ms).
Jul 23 03:58:37 pn41 kernel: iwlwifi0: WRT: trying to collect phy prph at time point: 5, skipping
Jul 23 03:58:37 pn41 kernel: iwlwifi0: Device error - SW reset
Jul 23 05:35:55 pn41 dhclient[2311]: send_packet: Host is down
 
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