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Date: Fri, 02 Dec 2022 18:42:13 +0100 From: Maxime Bizon <mbizon@...ebox.fr> To: Dave Chiluk <chiluk@...ntu.com>, Marcel Holtmann <marcel@...tmann.org> Cc: Thorsten Leemhuis <regressions@...mhuis.info>, "Coelho, Luciano" <luciano.coelho@...el.com>, "Greenman, Gregory" <gregory.greenman@...el.com>, "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>, Johannes Berg <johannes@...solutions.net>, "regressions@...ts.linux.dev" <regressions@...ts.linux.dev>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [regression] Bug 216753 - 6e 6 ghz bands are disabled since 5.16 on intel ax211 On Fri, 2022-12-02 at 11:18 -0600, Dave Chiluk wrote: Hello, > The 6ghz band becomes disabled as soon as I upgrade to the 5.16+ > linux-stable kernels. So from a user perspective this really is a > case of a kernel upgrade breaking user-space. This is what led me > down this rabbit hole here. FWIW I have the same issue on a Lenovo T14 gen2 laptop with built-in ax210 card, and sold as Wifi-6E compliant. The exact patch you mention causes the issue, so it seems my bios does not return the correct values either. I recompiled the kernel with all those cmd_allow_xxx bitmaps set to ~0 and 6Ghz works fine. -- Maxime
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