Date: Mon, 7 Jul 2025 23:42:50 +0000 (UTC) From: "Bjoern A. Zeeb" <bz@FreeBSD.org> To: Kevin Oberman <rkoberman@gmail.com> Cc: FreeBSD Wireless <freebsd-wireless@freebsd.org> Subject: Re: iwlwifi problems after forcing iwlwifi to use 5G SSID Message-ID: <p51907ns-4sqr-n89n-0455-406s9p548122@SerrOFQ.bet> In-Reply-To: <CAN6yY1uPg9tFr2%2BKgETh12LuZLye=%2BsjjRJKhNOPrS74=TEj3A@mail.gmail.com>
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On Mon, 7 Jul 2025, Kevin Oberman wrote: > Late last month I removed my 2.4G SSID from wpa_supplicant.conf which > finally got my Intel Alder Lake card to associate with my 5G SSID and set > the mode to 11ac. This worked fine until I re-booted. Now the network > failed to start, spitting out repeated 'No beacon heard' messages with the > interface rapidly moving DOWN and then UP, finally giving up and leaving > the Interface DOWN. > > After logging in, I did 'service netif start wlan0' and the network came up > fine and continued to be stable until I next rebooted the system when the > same thing happened again. > > The log of the event is attached. Much is repetitive, but kept changing a > bit until the network was restarted. I am seeing this at times in my development bhyve but I wasn't able to pinpoint it to anything specific yet. service wpa_supplicant restart wlan0 should be enough to get you out of this; usually no need to throw away the entire wireless interface and re-create it. I would say in 19 of 20 times this happens that's doing the job for me; there are times when I have to do it twice. Out of curiosity, was it warm restarts or cold boots from power off? -- Bjoern A. Zeeb r15:7home | help
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