Re: Kernel 5.12.10 and 5.12.9 freezing after boot-up with while sound output is looping

[Greg KH <gregkh@linuxfoundation.org>]

On Sun, Jun 13, 2021 at 08:19:37PM +0200, adel.ks@zegrapher.com wrote:
> Hello,
> 
> I am encountering an issue where my system freezes entirely after a random
> but short time after boot-up: the computer does not react to any user input,
> be it mouse, keyboard or plugging-unplugging peripherals.  The image on
> screen remains still and does not go black. Any sound that was playing at
> the moment of the freeze loops indefinitely with a period of around 1s. I
> have the intuition that the issue is sound related because of that.
> 
> Some additional information with this issue
> - Only happens only with the latest stable releases of the kernel:  5.12.9
> and 5.12.10 . 5.12.8  does not have this issue. I have not tested other
> kernel version, e.g. LTS 5.10 , to see if it's a change that got
> back-ported.

Any chance you can run 'git bisect' to find the offending change?
That's the easiest way to fix this up.

thanks,

greg k-h