> Am 02.08.2020 um 14:34 schrieb Johnny Hughes <johnny at centos.org>: > > On 8/2/20 6:59 AM, Johnny Hughes wrote: >>> On 8/2/20 2:04 AM, Alessandro Baggi wrote: >>> >>> Il 01/08/20 22:03, Greg Bailey ha scritto: >>>> On 8/1/20 6:56 AM, david wrote: >>>>> At 02:54 AM 8/1/2020, Alessandro Baggi wrote: >>>>>> Hi Johnny, >>>>>> thank you very much for clarification. >>>>>> >>>>>> You said that in the centos infrastructure only one server got the >>>>>> problem. >>>>>> What are the conditions that permit the breakage? There is a particular >>>>>> configuration (hw/sw) case that match always the problem or it is >>>>>> random? >>>>>> >>>>>> Thank you >>>>> >>>>> I have two servers running Centos 7 on apple hardware (one mac-mini >>>>> and one mac server). They both failed to reboot a few days ago. So >>>>> perhaps whatever anti-boot bug hit Centos 8, also hit Centos 7. I >>>>> can't tell what version got updated since the system simply fails to >>>>> boot. I don't even get a grub screen. I'll have to rebuild the >>>>> systems from scratch. >>>>> >>>>> >>>> >>>> You should be able to boot off of installation media into rescue mode, >>>> and downgrade the grub2* and/or shim* RPMs. >>>> >>>> -Greg >>>> >>> I did the downgrade on a fresh install of c8.2 but yum said that all >>> selected packages (grub2,shim...) are already to the lowest version and >>> the downgrade is not possibile, ending with "nothing to do". >> >> Ok .. We are running through some final testing now for CentOS Linux 8 >> and CentOS Stream .. updates later today for EL8. >> >> For CentOS Linux 7 .. I just pushed the latest shim packages (we had to >> get these signed by Microsoft .. as do all distros that do shim. >> Microsoft is the official CA for secureboot. >> >> So in the next few hours, after the mirrors sync up .. you should be >> able to fix any EL7 machines. >> >> 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. A previously afftected Aures nino POS-terminal boots just fine with CentOS 7 and shim 15.8. Now I will test an affected machine (Aures Twist POS terminal) that runs CentOS 8 (well, usually runs CentOS 8, but not now, since it does not boot ... :=> > > Thanks, > Johnny Hughes > > > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos