Updating the kernel is extremely slow (~40 minutes or more)

Solution Verified - Updated -

Issue

  • When updating/installing a kernel, the yum command is extremely slow during post-installation step, as shown in the example below

    # yum -y update kernel
    [...]
    Dependencies Resolved
    
    ================================================================================
     Package        Arch           Version                         Repository  Size
    ================================================================================
    Installing:
     kernel         x86_64         3.10.0-1062.12.1.el7            os          50 M
    
    Transaction Summary
    ================================================================================
    Install  1 Package
    
    Total download size: 50 M
    Installed size: 64 M
    [...]
    Running transaction
      Installing : kernel-3.10.0-1062.12.1.el7.x86_64                           1/1 
    
    ---> "Hang" here
    

Environment

  • Red Hat Enterprise Linux 7
    • yum
    • kernel

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