I got this before running "mv .config /tmp; make mrproper; mv /tmp/.config . ; make clean modules modules_install bzlilo". Attached goes the .config file. gcc version 3.3.4 arch/i386/kernel/irq.c:203: error: redefinition of `is_irq_stack_ptr' include/asm/hardirq.h:25: error: `is_irq_stack_ptr' previously defined here arch/i386/kernel/irq.c: In function `is_irq_stack_ptr': arch/i386/kernel/irq.c:207: error: `hardirq_stack' undeclared (first use in this function) arch/i386/kernel/irq.c:207: error: (Each undeclared identifier is reported only once arch/i386/kernel/irq.c:207: error: for each function it appears in.) arch/i386/kernel/irq.c:210: error: `softirq_stack' undeclared (first use in this function) make[1]: ** [arch/i386/kernel/irq.o] Erro 1 make: ** [arch/i386/kernel] Erro 2 -- http://www.michel.eti.br