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Hi all, I updated a Dell XPS laptop from CentOS 8.1 (1911) to 8.2 (2004). Installed kernels are kernel-4.18.0-147.5.1.el8_1.x86_64 kernel-4.18.0-147.8.1.el8_1.x86_64 kernel-4.18.0-193.6.3.el8_2.x86_64 Unfortunately I can not boot into the latest kernel-4.18.0-193.6.3.el8_2.x86_64. After grub2 screen I only see following line: EFI stub: UEFI Secure Boot is enabled Booting into the older

...rolls over the screen (rhgb quiet disabled). >> >> Is the new kernel correctly signed? >> >> What can I do? >> >> -- >> Thanks >> Leon > > Hi Leon, > > Don't think that it's due to secureboot, as on my work laptop (thinkpad > t490s), I have secureboot on, and kernel working fine. > > OTOH, on my family laptop (also in secureboot mode), when I updated from > 8.1.1011 to 8.2.2004, laptop became unresponsive during the > microcode_ctl update (in scriptlet) and after that it auto-reset itself > , so in the middle...

...rolls over the screen (rhgb quiet disabled). >> >> Is the new kernel correctly signed? >> >> What can I do? >> >> -- >> Thanks >> Leon > > Hi Leon, > > Don't think that it's due to secureboot, as on my work laptop (thinkpad > t490s), I have secureboot on, and kernel working fine. > > OTOH, on my family laptop (also in secureboot mode), when I updated from > 8.1.1011 to 8.2.2004, laptop became unresponsive during the > microcode_ctl update (in scriptlet) and after that it auto-reset itself > , so in the middle...

...ppears and after that the normal kernel > output scrolls over the screen (rhgb quiet disabled). > > Is the new kernel correctly signed? > > What can I do? > > -- > Thanks > Leon Hi Leon, Don't think that it's due to secureboot, as on my work laptop (thinkpad t490s), I have secureboot on, and kernel working fine. OTOH, on my family laptop (also in secureboot mode), when I updated from 8.1.1011 to 8.2.2004, laptop became unresponsive during the microcode_ctl update (in scriptlet) and after that it auto-reset itself , so in the middle of the whole rpm transact...