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SubjectSuspend-to-ram/resume regression with commit ca37e57bbe0c
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Hi

Suspend-to-ram and resume stopped working on v4.15-rc1 and I bisected it
to commit ca37e57bbe0c ("x86/entry/64: Add missing irqflags tracing to
native_load_gs_index()").

I noticed it on Intel Kabylake (core) and Apollolake (atom) based
prototype machines. Symptoms are that machine appears to enter into
suspend but resumes instantly and hangs. Unfortunately no logs.

If I revert ca37e57bbe0c on v4.15-rc1 it works as expected.

--
Jarkko

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