Getting error while generating vmcore 'Starting udev: Wait timeout. Will continue in backg [FAILED]'

Issue

• Getting error while generating vmcore Starting udev: Wait timeout. Will continue in backg [FAILED]

Attempting to enter user-space to capture vmcore 
Creating root device. 
Checking root filesystem. 
fsck 1.38 (30-Jun-2005) 
fsck: WARNING: Coundn't open /etc/fstab: No such file or directory 
fsck.ext3: while determining whether /dev/system/root is mounted. 
/dev/system/root: recovering journal 
/dev/system/root: clean, 138979/1472864 files, 906700/1572864 blocks 
Mounting root filesystem. 
Trying mount -t ext4 /dev/system/root /sysroot 
Trying mount -t ext3 /dev/system/root /sysroot 
Using ext3 on root filesystem 
Switching to new root and running init INIT: version 2.86 booting 
Welcome to Re Hat Enterprise Linux Server 
Press 'I' to enter interactive startup. 
Setting clock (utc): Thu Mar 1 16:12:21 CST 2012 [ OK ] 
Starting udev: Wait timeout.  Will continue in backg [FAILED]