[Bug 103731] [DRM/i915][Bisected] Kernel panic in setup_vector_irq() with HDMI LPE driver while putting offline CPU thread back to online

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=103731

--- Comment #2 from Pierre Bossart <pierre-louis.bossart at linux.intel.com> ---
I can reproduce the system hang on a Zotac PI330 device (CHT)

Can you clarify which debug options you used, I just see a system hang when one
core is put online again and can't get a dmesg as detailed as yours.

FWIW, when using a regular 4.12 Fedora install I also see the problem but I get
an additional message when taking core 1 out:

[  163.799497] Cannot set affinity for irq 158
[  163.801408] smpboot: CPU 1 is now offline

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