[CentOS] 8.2.2004 Latest yum update renders machine unbootable

Sun Aug 2 13:37:22 UTC 2020
Johnny Hughes <johnny at centos.org>

On 8/2/20 8:30 AM, david wrote:
> At 06:10 AM 8/2/2020, you wrote:
>> On 8/2/20 8:04 AM, david wrote:
>> >
>> >> <snip>
>> >
>> >
>> >
>> >> > I'll post here again once we have pushed the EL8 and CentOS Stream
>> >> updates.
>> >>
>> >> OK .. I have also now pushed the CentOS Linux 8 update .. you
>> should see
>> >> an update to SHIM .. the new versions are:
>> >>
>> >> PowerTools/x86_64/os/Packages/shim-unsigned-x64-15-8.el8.x86_64.rpm
>> >> BaseOS/x86_64/os/Packages/shim-ia32-15-15.el8_2.x86_64.rpm
>> >> BaseOS/x86_64/os/Packages/shim-x64-15-15.el8_2.x86_64.rpm
>> >>
>> >> For CentOS Linux 7 .. the new files are:
>> >>
>> >> x86_64/Packages/mokutil-15-8.el7.x86_64.rpm
>> >> x86_64/Packages/shim-ia32-15-8.el7.x86_64.rpm
>> >> x86_64/Packages/shim-unsigned-ia32-15-8.el7.x86_64.rpm
>> >> x86_64/Packages/shim-unsigned-x64-15-8.el7.x86_64.rpm
>> >> x86_64/Packages/shim-x64-15-8.el7.x86_64.rpm
>> >>
>> >> You need only replace the files you currently have installed, not
>> >> install every file.
>> >>
>> >> Please report both positive and negative results.
>> >>
>> >> Thanks,
>> >> Johnny Hughes
>> >>
>> > I updated my Centos 7, and it's awaiting a reboot.  The version of
>> shim
>> > says 15-7, which I presume is the bad one.
>> >
>> > What do I need to do?  Obviously, a reboot will encounter the
>> failure.Â
>> > Or, should I perform "yum update" periodically and wait for shim
>> 15-8 to
>> > appear, and only after that do the reboot?  Or is there some other
>> remedy?
>> >
>> > And by the way, I'm amazed at the speed with which this problem was
>> > addressed and a fix provided.  You guys work wonders.
>> >
>> > David
>>
>> It would be best IF the kernel and shim get installed at the same time
>> if possible .. so I would install the kernel again (since it is not
>> running yet) with the new shim.
>>
>> BTW .. it does not fail on every install .. so it might work w/o the new
>> update.  However, no need to chance it at this point.  Wait until the
>> new shim is there and install it and reinstall the kernel is my advise.
> 
> Here's what I get...
> 
> rpm -qa | grep shim
> shim-x64-15-7.el7_9.x86_64
> 
> yum update
> Loaded plugins: fastestmirror, langpacks, priorities
> Loading mirror speeds from cached hostfile
>  * base: mirror.fileplanet.com
>  * epel: mirror.prgmr.com
>  * extras: mirror.shastacoe.net
>  * remi-php73: mirror.sjc02.svwh.net
>  * remi-safe: mirror.sjc02.svwh.net
>  * updates: centos-distro.1gservers.com
> 373 packages excluded due to repository priority protections
> No packages marked for update
> 
> 
> 
> Should I just wait for 15-8 to appear?
> 
> David
> 

Yes .. it should be on mirror.centos.org now .. you could change the
repo where your updates come from.  OR .. wait for that mirror to get
updated.


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