Hi all, Im using qemu 0.12.3 .I have come to a point where i have developed a small kernel (setting up the IDT, GDT n all) Im disabling 8259 and enabling Local APIC but im unable to write into Local APIC registers . can anyone tell me is there something which im missing ? Here is my piece of code SVR EQU 0FEE000F0H ; define the Spurious interrupt vector APIC_ENABLE EQU 100H ;disable 8259 MOV AL,0FFH OUT 0A1H, AL OUT 021H, AL ;enable local apic and set the spurious interrupt vector MOV ESI,SVR MOV EAX,<ESI> OR EAX,APIC_ENABLE MOV <ESI>,EAX Warm regards, Ravi Kulkarni. -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html