linux-kernel - Latest kernel firmware update breaks intel wifi card.

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Message-ID: <CADiockAtCnLdN1rWTRuMeyuQisAWRyosG_K64AQSdVr-k7CLug@mail.gmail.com>
Date: Wed, 4 Jun 2025 17:20:31 -0400
From: Alex Davis <alex47794@...il.com>
To: linux-kernel@...r.kernel.org
Subject: Latest kernel firmware update breaks intel wifi card.

I have the following card:
2f:00.0 Network controller: Intel Corporation Wi-Fi 7(802.11be)
AX1775*/AX1790*/BE20*/BE401/BE1750* 2x2 (rev 1a)
    Subsystem: Intel Corporation BE200 320MHz [Gale Peak]
    Flags: bus master, fast devsel, latency 0, IRQ 19, IOMMU group 16
    Memory at aa800000 (64-bit, non-prefetchable) [size=16K]
    Capabilities: [40] Power Management version 3
    Capabilities: [50] MSI: Enable- Count=1/1 Maskable- 64bit+
    Capabilities: [70] Express Endpoint, IntMsgNum 0
    Capabilities: [b0] MSI-X: Enable+ Count=32 Masked-
    Capabilities: [100] Advanced Error Reporting
    Capabilities: [148] Secondary PCI Express
    Capabilities: [158] Physical Layer 16.0 GT/s <?>
    Capabilities: [17c] Lane Margining at the Receiver
    Capabilities: [188] Latency Tolerance Reporting
    Capabilities: [190] L1 PM Substates
    Capabilities: [1a0] Vendor Specific Information: ID=0002 Rev=4 Len=100 <?>
    Capabilities: [2a0] Data Link Feature <?>
    Capabilities: [2ac] Precision Time Measurement
    Capabilities: [2b8] Vendor Specific Information: ID=0003 Rev=1 Len=054 <?>
    Capabilities: [500] Vendor Specific Information: ID=0023 Rev=1 Len=010 <?>
    Kernel driver in use: iwlwifi

With the current firmware, I get the following error in dmesg:
iwlwifi 0000:2f:00.0: Detected crf-id 0x2001910, cnv-id 0x2001910 wfpm
id 0x80000000
iwlwifi 0000:2f:00.0: PCI dev 272b/00f4, rev=0x472, rfid=0x112200
iwlwifi 0000:2f:00.0: Detected Intel(R) Wi-Fi 7 BE200 320MHz
iwlwifi 0000:2f:00.0: Direct firmware load for
iwlwifi-gl-c0-fm-c0-93.ucode failed with error -2
iwlwifi 0000:2f:00.0: TLV_FW_FSEQ_VERSION: FSEQ Version: 0.182.4.1
iwlwifi 0000:2f:00.0: loaded firmware version 92.67ce4588.0
gl-c0-fm-c0-92.ucode op_mode iwlmvm
iwlwifi 0000:2f:00.0: Detected RF FM, rfid=0x112200
iwlwifi 0000:2f:00.0: loaded PNVM version 71864399
iwlwifi 0000:2f:00.0: Microcode SW error detected. Restarting 0x0.
iwlwifi 0000:2f:00.0: Start IWL Error Log Dump:
iwlwifi 0000:2f:00.0: Transport status: 0x0000004A, valid: 6
iwlwifi 0000:2f:00.0: Loaded firmware version: 92.67ce4588.0
gl-c0-fm-c0-92.ucode
iwlwifi 0000:2f:00.0: 0x00000071 | NMI_INTERRUPT_UMAC_FATAL
iwlwifi 0000:2f:00.0: 0x000002F0 | trm_hw_status0
iwlwifi 0000:2f:00.0: 0x00000000 | trm_hw_status1
iwlwifi 0000:2f:00.0: 0x002C43D6 | branchlink2
iwlwifi 0000:2f:00.0: 0x002B89BE | interruptlink1
iwlwifi 0000:2f:00.0: 0x002B89BE | interruptlink2
iwlwifi 0000:2f:00.0: 0x00015ADA | data1
iwlwifi 0000:2f:00.0: 0x00000010 | data2
iwlwifi 0000:2f:00.0: 0x00000000 | data3
iwlwifi 0000:2f:00.0: 0x00000000 | beacon time
iwlwifi 0000:2f:00.0: 0x0001A67A | tsf low
iwlwifi 0000:2f:00.0: 0x00000000 | tsf hi
iwlwifi 0000:2f:00.0: 0x00000000 | time gp1
iwlwifi 0000:2f:00.0: 0x00046F7B | time gp2
iwlwifi 0000:2f:00.0: 0x00000001 | uCode revision type
iwlwifi 0000:2f:00.0: 0x0000005C | uCode version major
iwlwifi 0000:2f:00.0: 0x67CE4588 | uCode version minor
iwlwifi 0000:2f:00.0: 0x00000472 | hw version
iwlwifi 0000:2f:00.0: 0x58C80002 | board version
iwlwifi 0000:2f:00.0: 0x800CFD1B | hcmd
iwlwifi 0000:2f:00.0: 0x00020000 | isr0
iwlwifi 0000:2f:00.0: 0x20000000 | isr1
iwlwifi 0000:2f:00.0: 0x48F00002 | isr2
iwlwifi 0000:2f:00.0: 0x00C0001C | isr3
iwlwifi 0000:2f:00.0: 0x02000000 | isr4
iwlwifi 0000:2f:00.0: 0x00000000 | last cmd Id
iwlwifi 0000:2f:00.0: 0x00015ADA | wait_event
iwlwifi 0000:2f:00.0: 0x10000004 | l2p_control
iwlwifi 0000:2f:00.0: 0x00000000 | l2p_duration
iwlwifi 0000:2f:00.0: 0x00000000 | l2p_mhvalid
iwlwifi 0000:2f:00.0: 0x00000000 | l2p_addr_match
iwlwifi 0000:2f:00.0: 0x0000000B | lmpm_pmg_sel
iwlwifi 0000:2f:00.0: 0x00000000 | timestamp
iwlwifi 0000:2f:00.0: 0x00000024 | flow_handler

When I use the file iwlwifi-gl-c0-fm-c0.pnvm from the previous
version, it works. I'm running kernel 6.12.30 in Slackware current