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Mon, 23 Feb 2026 09:11:14 -0800 (PST) Received: from [10.100.120.15] ([152.193.78.90]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-826dd640d16sm8524099b3a.13.2026.02.23.09.11.13 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Feb 2026 09:11:13 -0800 (PST) Message-ID: <8de64523-bffa-4455-9928-dfe924ac2220@gmail.com> Date: Mon, 23 Feb 2026 09:11:11 -0800 Precedence: bulk X-Mailing-List: iwd@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: does not connect with intel 3168 past kernel 6.16 To: Rosen Penev Cc: iwd@lists.linux.dev References: Content-Language: en-US From: James Prestwood In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit Hi Rosen, On 2/19/26 4:26 PM, Rosen Penev wrote: > On Thu, Feb 19, 2026 at 10:03 AM James Prestwood wrote: >> Hi Rosen, >> >> On 2/11/26 3:15 PM, Rosen Penev wrote: >>> Output from 6.17 dmesg: >>> >>> iwlwifi 0000:08:00.0: enabling device (0000 -> 0002) >>> iwlwifi 0000:08:00.0: Detected crf-id 0x0, cnv-id 0x0 wfpm id 0x0 >>> iwlwifi 0000:08:00.0: PCI dev 24fb/2110, rev=0x220, rfid=0xd55555d5 >>> iwlwifi 0000:08:00.0: Detected Intel(R) Dual Band Wireless-AC 3168 >>> iwlwifi 0000:08:00.0: loaded firmware version 29.0bd893f3.0 >>> 3168-29.ucode op_mode iwlmvm >>> iwlwifi 0000:08:00.0: base HW address: xx:xx:xx:xx:xx:xx, OTP minor version: 0x0 >>> >>> There's also iwd dmesg spam: >>> >>> invalid HE capabilities for xx:xx:xx:xx:xx:x1 >>> invalid HE capabilities for xx:xx:xx:xx:xx:x0 >>> event: connect-info, ssid: X, bss: xx:xx:xx:xx:xx:x1, signal: -76, load: 52/255 >>> event: state, old: autoconnect_quick, new: connecting (auto) >>> event: authentication-timeout, >>> event: connect-failed, status: 1 >>> event: connect-info, ssid: X, bss: xx:xx:xx:xx:xx:x0, signal: -78, load: 96/255 >>> event: authentication-timeout, >>> event: connect-failed, status: 1 >>> event: state, old: connecting (auto), new: disconnected >>> event: state, old: disconnected, new: autoconnect_full >>> invalid HE capabilities for xx:xx:xx:xx:xx:x1\ >> Is there any kernel output during this time? > It's basically this continuously. I use impala to manage iwd but even > if remove it and use iwctl manally, same thing. >>> 6.16 output: >>> >>> iwlwifi 0000:08:00.0: enabling device (0000 -> 0002) >>> iwlwifi 0000:08:00.0: Detected crf-id 0x0, cnv-id 0x0 wfpm id 0x0 >>> iwlwifi 0000:08:00.0: PCI dev 24fb/2110, rev=0x220, rfid=0xd55555d5 >>> iwlwifi 0000:08:00.0: Detected Intel(R) Dual Band Wireless-AC 3168 >>> iwlwifi 0000:08:00.0: loaded firmware version 29.0bd893f3.0 >>> 3168-29.ucode op_mode iwlmvm >>> iwlwifi 0000:08:00.0: base HW address: xx:xx:xx:xx:xx:xx, OTP minor version: 0x0 >>> iwlwifi 0000:08:00.0: Registered PHC clock: iwlwifi-PTP, with index: 1 >>> >>> Note the extra PHC clock message. >>> >>> This is still an issue with kernel 6.18. I work around this by using a >>> USB WiFi adapter, which is not ideal. >> So the USB adapter does work with 6.18? Do you have any other adapters >> to try? Does wpa_supplicant + iwlwifi adapter work on 6.18? > Not sure, I can try later. >> Trying to determine where the issue is. To me, if a USB adapter works >> that tells me its not necessarily an IWD issue, but something with >> iwlwifi and that kernel version. I'd be most interested if >> wpa_supplicant + iwlwifi works, if so we can try getting some iwmon >> logging of the two setups to see what differs. > It's definitely a kernel issue introduced between 6.16 and 6.17. Still > present on 6.18. > > Interestingly enough, If I boot to Windows and then reboot to Linux, > it works. But booting directly to Linux fails. That just tells me > firmware loading is broken in some way. Or something is not being > initialized. This all smells like a driver regression to me. Or at the very least something in iwlwifi/mac80211 changed, and IWD is passing or not passing some attribute that is now expected/unexpected. If you can successfully get wpa_supplicant to work with this setup I'd be very curious to see the iwmon logs with wpa_supplicant vs IWD. >> Thanks, >> >> James >>