Ubuntu
grub2 package

  1. Bug #1097570
  2. Comment #17

Comment 17 for bug 1097570

Revision history for this message
Bin Li (binli) wrote :

And I create a bootable USB with the same image, when boot up from USB, it works fine.

Filesystem Size Used Avail Use% Mounted on
/cow 1.8G 42M 1.8G 3% /
udev 1.8G 4.0K 1.8G 1% /dev
tmpfs 368M 1.2M 367M 1% /run
/dev/sdb1 4.0G 892M 3.2G 22% /cdrom
/dev/loop0 843M 843M 0 100% /rofs
none 4.0K 0 4.0K 0% /sys/fs/cgroup
tmpfs 1.8G 16K 1.8G 1% /tmp
none 5.0M 4.0K 5.0M 1% /run/lock
none 1.8G 144K 1.8G 1% /run/shm
none 100M 28K 100M 1% /run/user

And from dmesg log you can find the kernel's boot parameter.

[ 0.000000] Linux version 3.11.0-12-generic (buildd@allspice) (gcc version 4.8.1 (Ubuntu/Linaro 4.8.1-10ubuntu7) ) #19-Ubuntu SMP Wed Oct 9 16:20:46 UTC 2013 (Ubuntu 3.11.0-12.19-generic 3.11.3)
[ 0.000000] Command line: BOOT_IMAGE=/casper/vmlinuz.efi file=/cdrom/preseed/ubuntu.seed boot=casper only-ubiquity quiet splash --