Interesting. I just checked and the x2APIC Mode is enabled on my Dell PowerEdge R740.
Looked at three of my R730 systems I have for testing, and x2APIC was disabled on all of those. I'm going to enable x2APIC and see if that triggers any bad behavior from the kernel on the R730 systems.
Looked at three of my R730 systems I have for testing, and x2APIC was disabled on all of those. I'm going to enable x2APIC and see if that triggers any bad behavior from the kernel on the R730 systems.