Hi, Am 19.08.16 um 16:17 schrieb Andre Schmidt: > Hello, > > what is the minimum config to build a linux kernel that just prints boot messages/errors? > > I was going through my old experiments/notes and found that we used to get kernel boot message with vanilla allnoconfig. > > make ARCH=x86_64 allnoconfig > make all > qemu-system-x86_64 -kernel arch/x86/boot/bzImage > > Those commands above used to be enough, but now the produced kernel doesn't print any messages on the qemu screen. >
Did you also disable CONFIG_PRINTK ? Without that kernel will not print anything, as far as I know. HTH, Best, - Johannes _______________________________________________ Kernelnewbies mailing list [email protected] https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
