User saw below logs on console
[Firmware Bug]: TSC_DEADLINE disabled due to Errata; please update microcode to version: 0xb000020 (or later)
++++++++++ Booting logs +++++++++++++++
Checking Primary BIOS code integrity...Passed!
Press Esc for boot options
ME is in normal operational state
Booting HDD00 (SFSA100GM3AA4TO-C-LB-62A-JUN)...
Secure boot is enforced
Welcome to GRUB!
Secure Grub2 Diskboot
GNU GRUB version 2.02~juniper/rel_v4~
/----------------------------------------------------------------------------\
| Serial console efi_P |
|*Serial console jspare_P |
| |
\----------------------------------------------------------------------------/
*****LINE OMITTED*****
Press enter to boot the selected OS, `e' to edit the commands
before booting or `c' for a command-line. ESC to return previous
menu.
The highlighted entry will be executed automatically in 0s.
Booting `Serial console jspare_P'
error: no suitable video mode found.
Booting in blind mode
mount: /dev: none already mounted or mount point busy.
VMHost crash kernel loaded at reserved memory
umount: none: no mount point specified.
Option -q no longer supported.
Current Boot: Boot0000* HDD00 (SFSA100GM3AA4TO-C-LB-62A-JUN)
detected current boot medium.. ssd
Starting file system check on rootfs
There is no service impact reported due to this error.
Pls upgrade BIOS to v13 or higher where uCode is xb000020 or higher
2026-03-20: Amending article to include SRX4100/4200 platform as customer encountered this during a routine upgrade
2024-05-21 : Article Created