[Bug 109357] [SKL] [REGRESSION] [BISECTED] [OpenGL CTS] Many flaky tests after adding workarounds for object preemption in gen9

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https://bugs.freedesktop.org/show_bug.cgi?id=109357

--- Comment #5 from Andrés Gómez García <agomez at igalia.com> ---
(In reply to Mark Janes from comment #4)
> I haven't seen any flaky tests in this category in Mesa i965 CI.  We run the
> GL46 variants of the tests, on Linux 4.18.

I can confirm that I can reproduce with the GL46 variants of the tests.

> Usually SKL and KBL have identical regression patterns, so it is surprising
> that you can't reproduce the regression on KBL.  Are there differences
> between those systems (eg kernel or other sw configuration)?

Yeah, weird.

Since we use docker, the SW stack is the same, with the exception of the
services provided by the host system. Namely, the kernel and X server versions.

Additionally, all hour host systems are running Debian Buster but I've actually
realized that our KBL is using also Linux 4.18.

I'm just now running a pass in the SKL box with the same 4.18 kernel. Let's see
what comes out.

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