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Date: Wed, 19 Mar 2025 16:54:54 -0700
From: Greg KH <gregkh@linuxfoundation.org>
To: Sergio Callegari <sergio.callegari@gmail.com>
Cc: stable@vger.kernel.org, Linux Regressions <regressions@lists.linux.dev>
Subject: Re: Regression: mt7921e unable to change power state from d3cold to
 d0 - 6.12.x broken, past LTS 6.6.x works
Message-ID: <2025031923-rocklike-unbitten-9e90@gregkh>
References: <415e7c31-1e8d-499b-911e-33569c29ebe0@gmail.com>
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In-Reply-To: <415e7c31-1e8d-499b-911e-33569c29ebe0@gmail.com>

On Wed, Mar 19, 2025 at 08:38:52PM +0100, Sergio Callegari wrote:
> There is a nasty regression wrt mt7921e in the last LTS series (6.12). If
> your computer crashes or fails to get out of hibernation, then at the next
> boot the mt7921e wifi does not work, with dmesg reporting that it is unable
> to change power state from d3cold to d0.
> 
> The issue is nasty, because rebooting won't help.

Can you do a 'git bisect' to track down the issue?  Also, maybe letting
the network driver authors know about this would be good.

thanks,

greg k-h