Colin, finally I tried booting with noapic. The problem appears to go away (as with acpi=noirq) and it doesn't freeze the machine with excessive USB activity (like acpi=noirq).
I'll try suspending and resuming next and see how that goes.
I did another interrupt diff, see attached.
Colin, finally I tried booting with noapic. The problem appears to go away (as with acpi=noirq) and it doesn't freeze the machine with excessive USB activity (like acpi=noirq).
I'll try suspending and resuming next and see how that goes.
I did another interrupt diff, see attached.