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

[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?

Always can count on you for good insight, Harald.

But how do I determine what package from the new kernel is not working 
to erase and reinstall?  If I erase it, will yum upgrade really fix it?  
Do I erase the new kernel then install it again?

>
> your update was interrupted so the RPM scripts never finished a
> nd so no initrd created or the interrupt was in the middle of
> create the initrd which is now broken
>
> that's nothing which can be fixed with just continue the transaction
>