linux-kernel - Re: [PATCH] regmap: kunit: fix raw noinc write test wrapping

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Message-ID: <ZcJihCjkCL3/kt5a@finisterre.sirena.org.uk>
Date: Tue, 6 Feb 2024 16:47:00 +0000
From: Mark Brown <broonie@...nel.org>
To: Guenter Roeck <linux@...ck-us.net>
Cc: Ben Wolsieffer <ben.wolsieffer@...ring.com>,
	linux-kernel@...r.kernel.org,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	"Rafael J. Wysocki" <rafael@...nel.org>
Subject: Re: [PATCH] regmap: kunit: fix raw noinc write test wrapping

On Tue, Feb 06, 2024 at 08:43:31AM -0800, Guenter Roeck wrote:
> On 2/6/24 07:38, Mark Brown wrote:

> > Ah, that'd do it!  I wonder why Guenter is seeing this with much greater
> > frequency than I am, I have managed to reproduce a few times this
> > afternoon but very rarely.  Guenter, does this fix the issues you're
> > seeing?

> Give me a bit. It takes ~2 hours for a complete test run.

No problem.

> I am not surprised that you didn't see the problem easily. I am running
> more than 500 boot tests on each release, and only saw it in four of them
> when testing v6.8-rc3. So I'd expect a "hit" rate of about 1%.

Ah, that does sound like about the rate I was seeing issues at.  I
hadn't realised how many of these tests you run.

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