Subject: Re: stmmac on Banana PI CPU stalls since Linux 6.6

From: Jakub Kicinski <[email-masked]>
Date: Tue, 20 Feb 2024 06:59:41 -0800

On Mon, 19 Feb 2024 20:44:21 +0100 Petr Tesařík wrote:
> If you're running a 6.7 stable kernel, my patch has just been added to
> the 6.7-stable tree.
> 
> https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-6.7/net-stmmac-protect-updates-of-64-bit-statistics-counters.patch
> 
> However, lockdep has reported an issue with it:
> 
> https://lore.kernel.org/lkml/[email-masked]/
> 
> 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?