From: Mark Brown <broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>
To: Sudeep Holla <sudeep.holla-5wv7dgnIgG8@public.gmane.org>
Cc: Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>,
kernel-build-reports-cunTk1MwBs8s++Sfvej+rw@public.gmane.org,
khilman-rdvid1DuHRBWk0Htik3J/w@public.gmane.org,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-next-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org
Subject: Re: next/master boot: 138 boots: 8 failed, 112 passed with 18 offline (next-20180619)
Date: Tue, 19 Jun 2018 15:41:43 +0100 [thread overview]
Message-ID: <20180619144143.GE11230@sirena.org.uk> (raw)
In-Reply-To: <69c0adb9-b784-4f73-fcc9-ff1a01ce27c5-5wv7dgnIgG8@public.gmane.org>
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On Tue, Jun 19, 2018 at 03:22:47PM +0100, Sudeep Holla wrote:
> Based on the logs from successful boots, I see it's CPUFreq that gets
> probed after fan53555-reg. I also see that it warns about unlisted OPPs
> in the successful boots. I guess, the undefined instruction could occur
> if there's issue with CPU DVFS(under voltage or frequency that's not
> supported). I don't have much knowledge on the platform, I am just
> guessing on the possible cause here.
Yeah, that was my guess - either an out of spec voltage/frequency was
selected or the regulator isn't able to keep up with the voltage
transition or a load spike and the power browns out.
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next prev parent reply other threads:[~2018-06-19 14:41 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <5b290c6d.1c69fb81.fc936.98ee@mx.google.com>
2018-06-19 14:13 ` next/master boot: 138 boots: 8 failed, 112 passed with 18 offline (next-20180619) Mark Brown
2018-06-19 14:22 ` Sudeep Holla
[not found] ` <69c0adb9-b784-4f73-fcc9-ff1a01ce27c5-5wv7dgnIgG8@public.gmane.org>
2018-06-19 14:41 ` Mark Brown [this message]
[not found] ` <20180619144143.GE11230-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2018-06-19 14:57 ` Heiko Stübner
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