After I updated the kernel to kernel-2.6.11-1.14_FC3,the grub shows 2 kernels during boot up (one is the original one and the other is kernel-2.6.11-1.14_FC3).if i choose the original kernel,it works fine. but if i choose the new kernel,the system will just stop at "configuring system parameters".could someone help me solve this problem?thanks in advance