----- Original Message -----

From: "Will Deacon" <will@kernel.org>
To: "Veronika Kabatova" <redacted>
Cc: "catalin marinas" <catalin.marinas@arm.com>, linux-arm-kernel@lists.infradead.org, "CKI Project"
[off-list ref]
Sent: Wednesday, February 10, 2021 9:32:06 PM
Subject: Re: ❌ FAIL:	Test?report?for?kernel?5.11.0-rc7 (arm-next)

On Wed, Feb 10, 2021 at 08:17:53PM +0000, Will Deacon wrote:

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On Wed, Feb 10, 2021 at 02:31:45PM -0500, Veronika Kabatova wrote:

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The machine in question can on course be somewhat flaky (hard to
eliminate
that possibility completely), but I checked our historical data
and it
didn't fail to boot a single time other than with these two new
kernels.

So the first thing we should probably try is whether vanilla -rc7
fails
on
the machine causing us problems. If it does, then the arm64 queue
for
5.12
is out of the equation, if not then we can try a targetted
bisection.

Would you be able to try v5.11-rc7 please?

Can do.

Brill, thanks.

quoted

Someone snatched up the machine in the meanwhile and appears to have
it
reserved till next Monday :/ I sincerely hope that they'll release it
sooner
and have queued up the test job with high priority. Will let you know
right
as I get the results.

Just tell them the machine is broken and they really don't want to use
it
for anything important ;)

Our wishes were granted by the lab fairy and the machine was returned
rather quickly :)

The 5.11-rc7 kernel boots.

Fantastic! Then it's something in the arm64 for-next/core tree that was
added since then. The diff isn't huge and one change stands out for me, so
let me try reverting that and I'll update the branch...

Ok, I updated for-kernelci so that it contains the arm64 for-next/core
branch merged into -rc7, but with a couple of patches reverted on top.

HEAD is	e56137cc7606 ("Revert "arm64/mm: Fix pfn_valid() for ZONE_DEVICE
based memory""). Please can you try that?

Hi,

I didn't actually have to, the autopick picked the machine for the testing
and it happily booted :) \o/

Apparently IT cut off our email sending access because we're sending too
many emails so that's why you don't have the report yet. When we work
around it I'll make sure to retrigger the sending so you have it.


Veronika

Cheers,

Will

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