On Thu, 2020-03-19 at 16:13 +0000, Chris Paterson wrote:

Hi Pavel,

quoted

From: cip-dev <redacted> On Behalf Of Chris
Paterson
Sent: 19 March 2020 11:23

Hello Pavel,

quoted

From: Pavel Machek <redacted>
Sent: 19 March 2020 11:05

[...]

quoted

quoted

like tests are unreliable (and even my basic assumptions may be worth
re-testing).

Can you help? I'll be away from console for a few hours now.

I'll get bisecting.

Last 'good' patch is: 2089f853a8c3 ("drm/i915: disable tracing on
-RT")
The first 'bad' path is: c82fe0af5e58 ("drm/i915: skip
DRM_I915_LOW_LEVEL_TRACEPOINTS with NOTRACE")

Don't ask me why c82fe0af5e58 causes a boot issue on the de0-nano
board but at least it's a starting point for you.

[...]

When bisection finds a commit touching code that you're not even
building, the answer should not be "don't ask me why" but "this is not
a reproducible bug".

Ben.

-- 
Ben Hutchings, Software Developer                         Codethink Ltd
https://www.codethink.co.uk/                 Dale House, 35 Dale Street
                                     Manchester, M1 2HF, United Kingdom

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