Subject: next/master boot: 270 boots: 35 failed, 213 passed with 20 offline, 2 untried/unknown (next-20171207)

From: [email-masked] (Stephen Boyd)
Date: Fri, 8 Dec 2017 08:59:43 -0800

On 12/08, Marek Szyprowski wrote:
> Hi Krzysztof,
> 
> On 2017-12-08 13:33, Krzysztof Kozlowski wrote:
> >On Fri, Dec 8, 2017 at 1:27 PM, Mark Brown <[email-masked]> wrote:
> >>On Fri, Dec 08, 2017 at 12:20:07PM +0000, Mark Brown wrote:
> >>>On Thu, Dec 07, 2017 at 03:54:47PM -0800, kernelci.org bot wrote:
> >>>
> >>>Today's -next failed to boot on peach-pi:
> >>>
> >>>>     exynos_defconfig:
> >>>>         exynos5800-peach-pi:
> >>>>             lab-collabora: new failure (last pass: next-20171205)
> >>>with details at https://kernelci.org/boot/id/5a2a2e7859b5141bc2afa17c/
> >>>(including logs and comparisons with other boots, the last good boot was
> >>>Wednesday).  It looks like it hangs somewhere late on in boot, the last
> >>>output on the console is:
> >>>
> >>>[    4.827139] smsc95xx 3-1.1:1.0 eth0: register 'smsc95xx' at usb-xhci-hcd.3.auto-1.1, smsc95xx USB 2.0 Ethernet, 94:eb:2c:00:03:c0
> >>>[    5.781037] dma-pl330 3880000.adma: Loaded driver for PL330 DMAC-241330
> >>>[    5.786247] dma-pl330 3880000.adma:        DBUFF-4x8bytes Num_Chans-6 Num_Peri-16 Num_Events-6
> >>>[    5.819200] dma-pl330 3880000.adma: PM domain MAU will not be powered off
> >>>[   64.529228] random: crng init done
> >>>
> >>>and there's failures earlier to instantiate the display.
> >>I just noticed that further up the log there's a lockdep splat with a
> >>conflict between the genpd and clock API locking - an ABBA issue with
> >>genpd->mlock and the clock API prepare_lock.
> >+Cc Marek Szyprowski,
> >
> >The lockdep issue and display failures (including regulator warning)
> >were present for some time. They also appear in boot log for
> >next-20171206 (https://storage.kernelci.org/next/master/next-20171206/arm/exynos_defconfig/lab-collabora/boot-exynos5800-peach-pi.html).
> >The difference is that 20171208 hangs on "random: crng init done"
> >which did not appear before at all.

I haven't looked at the lockdep splat yet, but is that happening
because of runtime PM usage by the clk framework?

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