https://bugzilla.suse.com/show_bug.cgi?id=1225217
https://bugzilla.suse.com/show_bug.cgi?id=1225217#c3
--- Comment #3 from Charaf Rais ---
Thank you for you reply.
To give you unbiased information, I made a fresh install, update the system,
installed latest ucode via "Yast Software Management" without installing gpu
related drivers. I booted using "dis_ucode_ldr", and I downloaded bellow
kernels from your repos, then tested them one by one:
please check hwinfo in attached file.
--------------------------------------------------------
kernel-default-6.1.12-1.1.g373f017.x86_64.rpm
kernel-default-devel-6.1.12-1.1.g373f017.x86_64.rpm
--> Boots normally!
rais@192:~> sudo dmesg | grep -i microcode
[sudo] password for root:
[ 0.000000] [ T0] microcode: microcode updated early to revision 0xf0,
date = 2021-11-12
[ 0.076111] [ T0] SRBDS: Mitigation: Microcode
[ 0.505522] [ T0] microcode: sig=0x506e3, pf=0x20, revision=0xf0
[ 0.505739] [ T1] microcode: Microcode Update Driver: v2.2.
--------------------------------------------------------
kernel-default-6.2.12-1.1.geb3255d.x86_64.rpm
kernel-default-devel-6.2.12-1.1.geb3255d.x86_64.rpm
--> Boots normally!
rais@192:~> sudo dmesg | grep -i microcode
[sudo] password for root:
[ 0.000000] [ T0] microcode: microcode updated early to revision 0xf0,
date = 2021-11-12
[ 0.078794] [ T0] SRBDS: Mitigation: Microcode
[ 0.512834] [ T1] microcode: Microcode Update Driver: v2.2.
--------------------------------------------------------
kernel-default-6.3.9-1.1.g0df701d.x86_64.rpm
kernel-default-devel-6.3.9-1.1.g0df701d.x86_64.rpm
HANGS on first boot
Hangs on second boot
3d boot, I pushed "e" then F10 (without any editing) and the boot successed!
4 boot, passed without "e" + F10
5 boot Hangs
6 boot hangs
7 boot hangs even with "e" F10 trick
8 boot passed using dis_ucode_ldr
9,10 ... tested using dis_ucode_ldr , boot succeddfully evry time
rais@192:~> sudo dmesg | grep -i microcode
[sudo] password for root:
[ 0.000000] [ T0] microcode: updated early: 0xc6 -> 0xf0, date =
2021-11-12
[ 0.078876] [ T0] SRBDS: Mitigation: Microcode
[ 0.976939] [ T1] microcode: Microcode Update Driver: v2.2.
--------------------------------------------------------
kernel-default-6.4.12-1.1.gf5aa89b.x86_64.rpm
kernel-default-devel-6.4.12-1.1.gf5aa89b.x86_64.rpm
--> Working !
rais@192:~> sudo dmesg | grep -i microcode
[sudo] password for root:
[ 0.000000] [ T0] microcode: updated early: 0xc6 -> 0xf0, date =
2021-11-12
[ 0.071282] [ T0] SRBDS: Mitigation: Microcode
[ 0.514596] [ T1] microcode: Microcode Update Driver: v2.2.
---------------------------------------------------------
kernel-default-6.5.9-1.1.g1823166.x86_64.rpm
kernel-default-devel-6.5.9-1.1.g1823166.x86_64.rpm
--> NOT BOOTING.
--------------------------------------------------------
kernel-default-6.6.11-1.1.g05ae4ad.x86_64.rpm
kernel-default-devel-6.6.11-1.1.g05ae4ad.x86_64.rpm
--> Not booting
--------------------------------------------------------
kernel-default-6.7.9-1.1.gc6dad0c.x86_64.rpm
kernel-default-devel-6.7.9-1.1.gc6dad0c.x86_64.rpm
--> Not booting
---------------------------------------------------------
Kernel v 6.8 & 6.9 has been tested and they are not booting without
dis_ucode_ldr.
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