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From Sean Owen <>
Subject Re: Ask for ARM CI for spark
Date Wed, 17 Jul 2019 12:37:34 GMT
On Wed, Jul 17, 2019 at 6:28 AM Tianhua huang <> wrote:
> Two failed and the reason is 'Can't find 1 executors before 10000 milliseconds elapsed',
see below, then we try increase timeout the tests passed, so wonder if we can increase the
timeout? and here I have another question about,
why is not >=? see the comment of the function, it should be >=?

I think it's ">" because the driver is also an executor, but not 100%
sure. In any event it passes in general.
These errors typically mean "I didn't start successfully" for some
other reason that may be in the logs.

> The other two failed and the reason is '2143289344 equaled 2143289344', this because
the value of floatToRawIntBits(0.0f/0.0f) on aarch64 platform is 2143289344 and equals to
floatToRawIntBits(Float.NaN). About this I send email to jdk-dev and proposed a topic on scala
and, I thought it's something about jdk or scala,
but after discuss, it should related with platform, so seems the following asserts is not

These tests could special-case execution on ARM, like you'll see some
tests handle big-endian architectures.

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