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Oracle Linux 6 server take a long time to read the initramfs image (Doc ID 2158356.1)

Last updated on FEBRUARY 01, 2019

Applies to:

Linux OS - Version Oracle Linux 6.5 with Unbreakable Enterprise Kernel [2.6.39] and later
Oracle Cloud Infrastructure - Version N/A and later
Linux x86-64
Linux x86


After the grub menu prompt, it takes a long time to load the initramfs image, here's an example taken from virtual machine:


# xm console 0004fb00000600007c5042798fc52363
Booting Oracle Linux Server (2.6.39-400.264.1.el6uek.x86_64) in 0 seconds...

<Pauses long time here>

Initializing cgroup subsys cpuset
Initializing cgroup subsys cpu
Linux version 2.6.39-400.264.1.el6uek.x86_64 (mockbuild@x86-ol6-builder-06) (gcc version 4.4.6 20110731 (Red Hat 4.4.6-3) (GCC) ) #1 SMP Wed Aug 26 16:42:25 PDT 2015
Command line: ro root=/dev/mapper/VolGroup00-LogVol00 rd_NO_LUKS LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 rd_LVM_LV=VolGroup00/LogVol01 rd_LVM_LV=VolGroup00/LogVol00 KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM console=ttyS0,9600n8 numa=off enable_fast_entropy



The issue may happen after a kernel upgrade, or recreating a new initramfs image. 


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