A few attachments originally sent to bug 1853369:
* boot sequence photos: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853369/+attachment/5327640/+files/sequence.7z
which has last line "printk: bootconsole [efifb0] disabled" that shares the same symptom as bug 1862751.
* microcode info: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1853369/+attachment/5327645/+files/dmesg-microcode
microcode: sig=0x906ea, pf=0x20, revision=0xca
A few attachments originally sent to bug 1853369:
* boot sequence photos: https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1853369/ +attachment/ 5327640/ +files/ sequence. 7z
which has last line "printk: bootconsole [efifb0] disabled" that shares the same symptom as bug 1862751.
* microcode info: https:/ /bugs.launchpad .net/ubuntu/ +source/ linux/+ bug/1853369/ +attachment/ 5327645/ +files/ dmesg-microcode
microcode: sig=0x906ea, pf=0x20, revision=0xca