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Date:   Mon, 25 Jan 2021 23:33:48 +0200
From:   Mike Rapoport <rppt@linux.ibm.com>
To:     Linus Torvalds <torvalds@linux-foundation.org>
Cc:     Chris Wilson <chris@chris-wilson.co.uk>,
        Andrew Morton <akpm@linux-foundation.org>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Linux 5.11-rc5
Message-ID: <20210125213348.GB196782@linux.ibm.com>
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On Mon, Jan 25, 2021 at 12:49:39PM -0800, Linus Torvalds wrote:
> On Mon, Jan 25, 2021 at 12:35 PM Chris Wilson <chris@chris-wilson.co.uk> wrote:
> >
> > Quoting Linus Torvalds (2021-01-25 01:06:40)
> > > Mike Rapoport (3):
> > ...
> > >       mm: fix initialization of struct page for holes in memory layout
> >
> > We have half a dozen or so different machines in CI that are silently
> > failing to boot, that we believe is bisected to this patch.
> 
> That commit reverts cleanly - so if you can verify that reverting it
> fixes your CI machines, I think that that's the right thing to do for
> now, unless Mike can figure out some obvious "Duh!" moment from your
> working dmesg.

Unfortunately not, at least at 11pm :(
Maybe tomorrow I'll have something smarter to say.
 
> Mike: should we perhaps revert the first patch too (commit
> bde9cfa3afe4: "x86/setup: don't remove E820_TYPE_RAM for pfn 0")?

I wonder, maybe actually this one is causing troubles?

Chris, would it be possible to check what happens if you revert only
bde9cfa3afe4?

>                 Linus

-- 
Sincerely yours,
Mike.