netdev - Re: stmmac on Banana PI CPU stalls since Linux 6.6

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Date: Fri, 23 Feb 2024 12:38:36 -0800
From: Christian Stewart <christian@...rture.us>
To: Jakub Kicinski <kuba@...nel.org>
Cc: Petr Tesařík <petr@...arici.cz>, 
	Marc Haber <mh+netdev@...schlus.de>, Florian Fainelli <f.fainelli@...il.com>, 
	Andrew Lunn <andrew@...n.ch>, alexandre.torgue@...s.st.com, 
	Jose Abreu <joabreu@...opsys.com>, Chen-Yu Tsai <wens@...e.org>, 
	Jernej Skrabec <jernej.skrabec@...il.com>, Samuel Holland <samuel@...lland.org>, 
	Jisheng Zhang <jszhang@...nel.org>, netdev@...r.kernel.org
Subject: Re: stmmac on Banana PI CPU stalls since Linux 6.6

On Tue, Feb 20, 2024 at 6:59 AM Jakub Kicinski <kuba@...nel.org> wrote:
>
> On Mon, 19 Feb 2024 20:44:21 +0100 Petr Tesařík wrote:
> > This new report has not yet been properly understood, but FWIW I've
> > been running stable with my patch for over a month now.
>
> Christian got an actual soft lockup, not just a lockdep warning, tho.
> Christian, could you run the stack trace thru scripts/decode_stacktrace
> and tell us which loop it's stuck on?

This was a crash report from a user and unfortunately I don't have the
kernel sources & build artifacts from that device to be able to run
decode_stacktrace. If it happens again I will request the user send me
their kernel build tree & will report back with the decoded
stacktrace.

Thanks!
Christian Stewart