It looks like microcode update revision 0xd6 is still the officially shipped version.
The often occurring hangs without the power cable plugged in, are still happening.
Booting with `maxcpus=1` and adding
earlyprintk=efi earlycon=efifb debug
to the Linux command, the last messages are:
[…] random: crng done (trusting CPU's manufacturer) Console: colour dummy device 80x25 printk: console [tty0] enabled printk: bootconsole [efifb0] disabled
So, it might indeed be related to bug 1862751.
It looks like microcode update revision 0xd6 is still the officially shipped version.
The often occurring hangs without the power cable plugged in, are still happening.
Booting with `maxcpus=1` and adding
earlyprintk=efi earlycon=efifb debug
to the Linux command, the last messages are:
[…]
random: crng done (trusting CPU's manufacturer)
Console: colour dummy device 80x25
printk: console [tty0] enabled
printk: bootconsole [efifb0] disabled
So, it might indeed be related to bug 1862751.