The problem is solved. Turns out btrfs is disabled by default. On Sun, Jan 22, 2012 at 5:59 PM, Fajar A. Nugraha <list@xxxxxxxxx> wrote: > On Sun, Jan 22, 2012 at 7:21 PM, Swapnil Pimpale <swapnil.pict@xxxxxxxxx> wrote: >> I can successfully boot into Ubuntu 11.10 (3.0.0-14-generic-pae) with >> a btrfs root filesystem and an ext2 /boot partition. >> But when I installed the latest vanilla (3.3.0-rc1+) and booted into > > where did you get the kernel from? kernel.org snapshot? git? third > party package? > >> it, the first time the system froze. >> Next time onwards, I get the following error every time: >> >> [ 0.427443] [drm:i915_init] *ERROR* drm/i915 cannot work without >> intel_agp module! >> mount: mounting udev on /dev failed: No such device >> W: devtmpfs not available, falling back to tmpfs for /dev >> mount: mounting /dev/disk/by-uuid/f43fdd7a-8ad7-4e96-ab1c-14ba82a4324d >> on /root failed: No such device > > Do you know how to use your own costom kernel? That error is common > when a driver is missing (i.e. not built-in, and not included in > initrd). The easiest way to test that is to look at what's in > /proc/partitions and /dev/disk/by-id during normal system boot (I > assume you still have the old, working Ubuntu kernel?) and during > failed boot when you're dropped to busybox. If your root device > (sda8?) is not on /proc/partitions, then it's definitely block device > driver problem. > > -- > Fajar --Swapnil -- To unsubscribe from this list: send the line "unsubscribe kernel-janitors" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
