# Rocky 8.6 operating system upgrade kernel version startup failed

**URL:** <https://forums.rockylinux.org/t/rocky-8-6-operating-system-upgrade-kernel-version-startup-failed/7085>\
**Category:** Rocky Linux Help & Support\
**Created:** [August 30, 2022, 6:26am UTC](https://forums.rockylinux.org/t/rocky-8-6-operating-system-upgrade-kernel-version-startup-failed/7085 "2022-08-30T06:26:56Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![zuocg](https://avatars.discourse-cdn.com/v4/letter/z/d9b06d/32.png) [@zuocg](https://forums.rockylinux.org/u/zuocg)\
**Post date:** [August 30, 2022, 6:26am UTC](https://forums.rockylinux.org/t/rocky-8-6-operating-system-upgrade-kernel-version-startup-failed/7085/1 "2022-08-30T06:26:56Z")

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Rocky version 8.6 operating system update elrepo resource upgrade kernel version LT 5.4.211, reboot system kernel error

 ![991661839174_.pic](https://us1.discourse-cdn.com/flex020/uploads/rockylinux/original/2X/f/fcb0e96f1e56ddb7981683a5573bd004add8f3f2.png)

Update the elrepo secure boot key, and the system still cannot enter the new kernel. The esxi 6.7 virtual machine starts the EFI mode boot and starts safely

 ![image](https://us1.discourse-cdn.com/flex020/uploads/rockylinux/original/2X/3/33df8a0a62207ec7e76c2e452bbd3112ee948127.png)

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**Author:** ![brian](https://sea2.discourse-cdn.com/flex020/user_avatar/forums.rockylinux.org/brian/32/5777_2.png) [@brian](https://forums.rockylinux.org/u/brian)\
**Post date:** [August 25, 2023, 3:41am UTC](https://forums.rockylinux.org/t/rocky-8-6-operating-system-upgrade-kernel-version-startup-failed/7085/2 "2023-08-25T03:41:35Z")

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Closed on August 25, 2023, 3:41am UTC