[ale] News: Red Hat slams into reverse on CPU fix for Spectre design blunder

[Derek Atkins]

My upgrades to 7.4 went smoothly on the two systems I upgraded. An 
interrupted yum update could definitely cause major issues.

-derek
Sent using my mobile device. Please excuse any typos.



On January 18, 2018 9:54:18 AM "Lightner, Jeffrey via Ale" <ale at ale.org> wrote:

> The first box (RHEL7.4) I attempted to update panic'ed so I had to boot 
> from the older kernel.
>
> However, I'm not sure if that was caused by the new kernel and firmware 
> package or the fact that I accidentally rebooted the box before it finished 
> a full "yum update" of all packages I'd run.   The interruption left it 
> with lots of duplicate packages (the old and the updated versions) that I 
> had to clean up.   Even after the cleanup and new completed "yum update" it 
> panic'ed on the next boot.   On trying to boot from the older kernel it 
> left the system at a place where I couldn't get into GUI console, text 
> console or via ssh.   It may be the instability RedHat is now reporting 
> that caused the final state or it might be my fubar (or a combination).
>
> The good news is we already had a replacement for this server planned.  
> Rather than wasting any more time on the old server (I was able to boot 
> into single user on old kernel) I opted to go ahead and install the 
> replacement.   It had the then latest updates but had been running fine on 
> those.   Based on RedHat's announcements I intend to run updates on it 
> again so it will do the reversion they're recommending.
>
> The other good news is that working with all that prevented me from being 
> Johnny on the spot with all our other systems.
>
>
> -----Original Message-----
> From: Ale [mailto:ale-bounces at ale.org] On Behalf Of DJ-Pfulio via Ale
> Sent: Thursday, January 18, 2018 8:23 AM
> To: Atlanta Linux Enthusiasts
> Subject: [ale] News: Red Hat slams into reverse on CPU fix for Spectre 
> design blunder
>
> Red Hat slams into reverse on CPU fix for Spectre design blunder
>
> https://www.theregister.co.uk/2018/01/18/red_hat_spectre_firmware_update_woes/
>
> Be careful out there.
>
> Anyone seen system instabilities from the different layers of patches?
>
> I've delayed patching the last few weeks to let others find most of the 
> issues first. ;) _______________________________________________
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