Subject: [Bug 206669] Little-endian kernel crashing on POWER8 on heavy big-endian PowerKVM load

From: [email-masked]
Date: Mon, 31 Jan 2022 09:53:04 +0000

https://bugzilla.kernel.org/show_bug.cgi?id=206669

--- Comment #19 from John Paul Adrian Glaubitz ([email-masked]) ---
In case any runs into this issue, a workaround is disabling "dynamic_mt_modes":

# echo 0 > /sys/module/kvm_hv/parameters/dynamic_mt_modes

This fixes the crashes for me with a 5.15.x kernel.

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