[CentOS] Still won't boot - Re: remote yum update aborted with session closing - won't boot

Wed Jul 2 14:20:12 UTC 2014
Robert Moskowitz <rgm at htt-consult.com>

On 07/02/2014 09:35 AM, Reindl Harald wrote:
>
> Am 02.07.2014 15:19, schrieb Robert Moskowitz:
>> On 07/02/2014 08:41 AM, Reindl Harald wrote:
>>> Am 02.07.2014 14:32, schrieb Robert Moskowitz:
>>>> On 07/01/2014 06:25 PM, Frank Cox wrote:
>>>>> On Tue, 01 Jul 2014 18:19:32 -0400
>>>>> Robert Moskowitz wrote:
>>>>>
>>>>>> How do I trouble shoot this?  I am assuming that I only got a partially
>>>>>> completed update.
>>>>> Try yum-complete-transaction and see what happens.
>>>> Well it looks like all the updates 'took'  /etc/redhat-release now
>>>> reports ver 6.5.
>>>>
>>>> But still getting a kernel panic and boot failing.  I can fall back to
>>>> the prior kernel and it will boot.  So I tried to copy the lines off the
>>>> monitor, as nothing is getting logged:
>>>>
>>>> IOMMU: failed to mpa dmn 0
>>>> kernel panic - not syncing: VFS: Unable to mount root fs on
>>>> unknown_block (0,0)
>>>> Pid:1, comm swapper Tainted: G  -------------} 2.6.32-431.20.3.el6.i686 #1
>>>>
>>>> then a a number of dump lines.
>>>>
>>>> The kernel that is working (only other one listed in menu) is:
>>>> 2.6.32-279.22.1.el6.i686
>>> why don' t you just remove any package from the new kernel
>>> which don't work anyways and after that "yum upgrade" again?
>> But how do I determine what package from the new kernel
> i said: and after that "yum upgrade" again man if you remove that 
> broken packages a "yum upgrade" pulls them simply as if they where 
> never be installed and the rpmscripts will generate a new initrd 

OK.  So...

# yum erase kernel*

...

Removing:
  kernel                           i686 2.6.32-431.20.3.el6             
installed           89 M
  kernel-firmware                  noarch 
2.6.32-431.20.3.el6             installed           21 M
  kernel-headers                   i686 2.6.32-431.20.3.el6             
installed          2.5 M
Removing for dependencies:
  glibc-devel                      i686 2.12-1.132.el6_5.2              
installed          953 k
  glibc-headers                    i686 2.12-1.132.el6_5.2              
installed          2.1 M
  irqbalance                       i686 2:1.0.4-9.el6_5                 
installed           64 k
  mod_perl                         i686 2.0.4-11.el6_5                  
installed          6.0 M
  perl-ExtUtils-MakeMaker          i686 6.55-136.el6                    
installed          608 k
  perl-ExtUtils-ParseXS            i686 1:2.2003.0-136.el6              
installed           61 k
  perl-Test-Harness                i686 3.17-136.el6                    
installed          399 k
  perl-Test-Simple                 i686 0.92-136.el6                    
installed          184 k
  perl-devel                       i686 4:5.10.1-136.el6                
installed          1.8 M
  redhat-lsb                       i686 4.0-7.el6.centos                
installed          0.0
  redhat-lsb-compat                i686 4.0-7.el6.centos                
installed          0.0
  redhat-lsb-core                  i686 4.0-7.el6.centos                
installed           22 k
  redhat-lsb-graphics              i686 4.0-7.el6.centos                
installed          0.0
  redhat-lsb-printing              i686 4.0-7.el6.centos                
installed          0.0

Transaction Summary
===========================================================================================================
Remove       17 Package(s)


So I am making notes about what is being removed so I can insure that it 
gets reinstalled with the upgrade.

thanks for the help.