linux-kernel - Since 6.10 - kernel oops/panics on G4 macmini due to change in drivers/ata/pata

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Message-ID: <62d248bb-e97a-25d2-bcf2-9160c518cae5@kolla.no>
Date: Tue, 13 Aug 2024 00:32:37 +0200 (CEST)
From: Kolbjørn Barmen <linux-ppc@...la.no>
To: linuxppc-dev@...ts.ozlabs.org
cc: linux-kernel@...r.kernel.org
Subject: Since 6.10 - kernel oops/panics on G4 macmini due to change in
 drivers/ata/pata_macio.c


Ever since 6.10, my macmini G4 behaved unstable when dealing with lots of
I/O activity, such as sync'ing of Gentoo portage tree, unpacking kernel
source tarball, building large software packages (or kernel) etc.

After a bit of testing, and patient kernel rebuilding (while crashing) I
found the cuplit to be this commit/change

https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/diff/?id=09fe2bfa6b83f865126ce3964744863f69a4a030


Exampe of what a opps/panic looks like (and they all look very much alike)

https://share.icloud.com/photos/042BHRkrXqPO-fllvpxMFl2CA


-- kolla