linux-kernel - Re: [PATCH 06/14] vdso/gettimeofday: Return bool from clock

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Message-ID: <3a9504d1-2c6a-459a-a98e-3010d34b546c@sirena.org.uk>
Date: Wed, 16 Jul 2025 13:50:22 +0100
From: Mark Brown <broonie@...nel.org>
To: Thomas Weißschuh <thomas.weissschuh@...utronix.de>
Cc: Marek Szyprowski <m.szyprowski@...sung.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andy Lutomirski <luto@...nel.org>,
	Vincenzo Frascino <vincenzo.frascino@....com>,
	Shuah Khan <shuah@...nel.org>,
	Anna-Maria Behnsen <anna-maria@...utronix.de>,
	Frederic Weisbecker <frederic@...nel.org>,
	John Stultz <jstultz@...gle.com>, Stephen Boyd <sboyd@...nel.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
	linux-kernel@...r.kernel.org, linux-kselftest@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-arch@...r.kernel.org,
	Richard Cochran <richardcochran@...il.com>,
	Christopher Hall <christopher.s.hall@...el.com>,
	Miroslav Lichvar <mlichvar@...hat.com>,
	Werner Abt <werner.abt@...nberg-usa.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Kurt Kanzenbach <kurt@...utronix.de>,
	Nam Cao <namcao@...utronix.de>, Antoine Tenart <atenart@...nel.org>
Subject: Re: [PATCH 06/14] vdso/gettimeofday: Return bool from
 clock_gettime() helpers

On Wed, Jul 16, 2025 at 02:34:52PM +0200, Thomas Weißschuh wrote:
> On Wed, Jul 16, 2025 at 01:25:06PM +0100, Mark Brown wrote:

> > This issue has been present in -next for a week and is causing a bunch
> > of disruption to tests that end up relying on the vDSO - do we have any
> > news on getting a fix merged?  Perhaps it makes sense for Marek to just
> > send his patch so that it's there if needed?

> That fix has been in -next since next-20250710.
> If you still have issues, I'll take a look.

Ah, sorry - I'd not seen followup mails in the thread and was still
seeing issues that appeared at the same time that had previously
bisected here.  One is:

| INFO: Generating a skipfile based on /lava-4170058/1/tests/6_kselftest-dev-errlogs/automated/linux/kselftest/skipfile-lkft.yaml
| fatal error: nanotime returning zero
| goroutine 1 [running, locked to thread]:
| runtime.throw(0x132d83, 0x17)
| 	/usr/lib/golang/src/runtime/panic.go:774 +0x5c fp=0x42c7a4 sp=0x42c790 pc=0x3b740
| runtime.main()
| 	/usr/lib/golang/src/runtime/proc.go:152 +0x350 fp=0x42c7e4 sp=0x42c7a4 pc=0x3d308
|A runtime.goexit()
| 	/usr/lib/golang/src/runtime/asm_arm.s:868 +0x4 fp=0x42c7e4 sp=0x42c7e4 pc=0x645dc
| ERROR: skipgen failed to generate a skipfile: 2

I'll just kick of a clean bisect for that and see what it comes up with.

Full log:

  https://validation.linaro.org/scheduler/job/4170058#L2215

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