I got the same problem on the exactly the same system. I asked myself
about the following:
BIOS bug: multiple APIC/MADT found, using 0
ACPI: If "acpi_apic_instance=2" works better, notify linux-a...@vger.kernel.org
Maybe it really works better with "2" but I don't know how to change it.
--
Hard
I change setting but boot is as slow as before.
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Hardy boot hangs with the message: "ACPI: EC: non-query interrupt received,
switching to interrupt mode"
https://bugs.launchpad.net/bugs/263140
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