On Sunday 2020-02-16 21:49, Rafael J. Wysocki wrote: >> I thus went back to 5.6-rc and enabled full ACPI tracing >> (layer=0xffffffff/level=0xffffffff) starting from >> >> nsinit.c:213 /* Walk namespace to execute all _INIs on present devices */ >> >> onwards. That log output is at http://inai.de/files/m923.mp4 [53MB]. > >If that is the case, then AFAICS the issue may not be directly related >to the EC at all. This output only means that the system has an ECDT, >but that should not be a problem by itself. > >The system appears to hang somewhere in acpi_ns_initialize_devices() >and it is hard to say where exactly. I had an exact stack trace. (Stashed in all those videos - now extracted and posted to the bug) >I would suggest creating a BZ entry at bugzilla.kernel.org for this >issue and attaching the output of acpidump from the affected system in >there. https://bugzilla.kernel.org/show_bug.cgi?id=206553
