On Tue, Nov 20, 2018 at 09:46:49AM +0100, Jean Delvare wrote: > Dear stable kernel team, > > In stable kernel 4.19.2, the following upstream commit was included: > > commit 4abb951b73ff0a8a979113ef185651aa3c8da19b > Author: Erik Schmauss > Date: Wed Oct 17 14:09:35 2018 -0700 > > ACPICA: AML interpreter: add region addresses in global list during initialization > > This commit was tagged with: > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=200011 > Tested-by: Jean-Marc Lenoir > Cc: All applicable <stable@xxxxxxxxxxxxxxx> > > making it sound like it was fixing an actual bug. This is not the case. > The commit fixes a side issue discovered while investigating bug > #200011. It does NOT fix bug #200011 itself (as explicitly reported by > Jean-Marc at https://bugzilla.kernel.org/show_bug.cgi?id=200011#c65 ). > > It does however cause regressions, despite what the commit message says. See: > > https://bugzilla.kernel.org/show_bug.cgi?id=201721 > > and I expect more similar regressions, as ACPI resource conflicts are > very frequent. > > This commit was not stable material to start with. It is intrusive, > presents a risk of side effects, and does not solve an actual bug that > is bothering users. > > Please revert this commit from future stable kernels on all affected > branches (I think only 4.18.19 and 4.19.2 are affected at the moment, > but maybe other affected releases are in the works already). Ok, I'll go revert this, but shouldn't it also be reverted in Linus's tree as well? thanks, greg k-h
