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

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Message-ID: <aED3gmw0xqm_lMRQ@archie.me>
Date: Thu, 5 Jun 2025 08:48:50 +0700
From: Bagas Sanjaya <bagasdotme@...il.com>
To: Alex Davis <alex47794@...il.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Linux Wireless <linux-wireless@...r.kernel.org>,
	Linux Regressions <regressions@...ts.linux.dev>
Cc: Miri Korenblit <miriam.rachel.korenblit@...el.com>
Subject: Re: Latest kernel firmware update breaks intel wifi card.

[also Cc: iwlwifi folks]

On Wed, Jun 04, 2025 at 05:20:31PM -0400, Alex Davis wrote:
> 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

What firmware versions?

Confused...

-- 
An old man doll... just what I always wanted! - Clara

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