On Sat, Jun 09, 2012 at 04:19:15PM +0600, Aft nix wrote: > Thank you for the tips. qemu is booting the kernel now. But it stops > with a kernel panic. > > >From qemu console, > > [ 2.209887] EXT3-fs (sda): mounted filesystem with writeback data mode > [ 2.210566] VFS: Mounted root (ext3 filesystem) readonly on device 8:0. > [ 2.211393] Freeing unused kernel memory: 456k freed > [ 2.242325] Write protecting the kernel text: 6240k > [ 2.242614] Write protecting the kernel read-only data: 1820k > [ 2.248007] Kernel panic - not syncing: No init found. Try passing > init= option to kernel. See Linux Documentation/init.txt for guidance. > [ 2.248492] Pid: 1, comm: swapper/0 Not tainted 3.4.0+ #3 > [ 2.248596] Call Trace: > [ 2.249743] [<c160db4f>] panic+0x81/0x17e > [ 2.249843] [<c10012d5>] init_post+0x75/0xb0 > [ 2.249942] [<c183a61a>] kernel_init+0x1e0/0x1ea > [ 2.250028] [<c183a3df>] ? parse_early_options+0x35/0x35 > [ 2.250237] [<c183a43a>] ? repair_env_string+0x5b/0x5b > [ 2.250326] [<c1616cd6>] kernel_thread_helper+0x6/0xd > ... > My understanding is i have to put the init binary in my root fs. But > i'm clueless about how to do that? You need a full system, kernel is just the core. I suggest you using Debian stable images for QEMU at http://people.debian.org/~aurel32/qemu (ref: http://wiki.debian.org/QEMU) Or, use busybox to build rootfs like what I am doing: https://github.com/adam8157/kernel-studio -- Regards, Adam Lee -------------------------------- E-mail: adam8157@xxxxxxxxx Website: http://adam8157.info -------------------------------- _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
