Hi, On 1/25/24 3:41 AM, Almudena Garcia wrote: > Maybe the next crash is in APIC step. Check if it's using xAPIC or x2APIC, > and force xAPIC if necessary
I checked it is definitely using xAPIC mode, I also patched it to set the right MSR bit. But the cpu still crashes when interrupts are enabled to calibrate the timer. Damien