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Type: Bug
Resolution: Unresolved
Priority: Undefined
Fix Version/s: None
Affects Version/s: rhel-9.7
Component/s: linux-firmware
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rhel-kernel-maint

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    Booting `Red Hat Enterprise Linux (5.14.0-610.el9.x86_64) 9.7 (Plow)'Booting `Red Hat Enterprise Linux (5.14.0-610.el9.x86_64) 9.7 (Plow)'
 
 
 
 [    0.000000] unchecked MSR access error: WRMSR to 0xc0010020 (tried to write 0xff1100004c5bab60) at rIP: 0xffffffffaca5ec53 (__apply_microcode_amd+0x13/0x40) 
[    0.000000] Call Trace: 
[    0.000000]  <TASK> 
[    0.000000]  ? show_trace_log_lvl+0x1c4/0x2df 
[    0.000000]  ? show_trace_log_lvl+0x1c4/0x2df 
[    0.000000]  ? ex_handler_msr.cold+0x2e/0x6a 
[    0.000000]  ? search_extable+0x22/0x30 
[    0.000000]  ? fixup_exception+0x2b2/0x310 
[    0.000000]  ? early_fixup_exception+0x44/0xb1 
[    0.000000]  ? early_idt_handler_common+0x2f/0x3a 
[    0.000000]  ? __apply_microcode_amd+0x13/0x40 
[    0.000000]  ? __apply_microcode_amd+0x5/0x40 
[    0.000000]  ? load_ucode_amd_bsp+0x9e/0xd0 
[    0.000000]  ? x86_64_start_kernel+0x7c/0x92 
[    0.000000]  ? secondary_startup_64_no_verify+0x187/0x18b 
[    0.000000]  </TASK> 
[    0.000000] Linux version 5.14.0-610.el9.x86_64 (mockbuild@x86-64-05.build.eng.rdu2.redhat.com) (gcc (GCC) 11.5.0 20240719 (Red Hat 11.5.0-11), GNU ld version 2.35.2-66.el9) #1 SMP PREEMPT_DYNAMIC Thu Aug 21 13:20:11 EDT 2025 
[    0.000000] The list of certified hardware and cloud instances for Red Hat Enterprise Linux 9 can be viewed at the Red Hat Ecosystem Catalog, https://catalog.redhat.com. 
[    0.000000] Command line: BOOT_IMAGE=(hd4,gpt2)/vmlinuz-5.14.0-610.el9.x86_64 root=/dev/mapper/rhel_storageqe--108-root ro loglevel=7 console=tty0 console=ttyS0,115200n8 crashkernel=1G-2G:192M,2G-64G:256M,64G-:512M resume=/dev/mapper/rhel_storageqe--108-swap rd.lvm.lv=rhel_storageqe-108/root rd.lvm.lv=rhel_storageqe-108/swap selinux=0 ipv6.disable=1 console=ttyS0,115200n81 
[    0.000000] BIOS-provided physical RAM map: 
[    0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000008efff] usable 
[    0.000000] BIOS-e820: [mem 0x000000000008f000-0x000000000008ffff] ACPI NVS 
[    0.000000] BIOS-e820: [mem 0x0000000000090000-0x000000000009ffff] usable 
[    0.000000] BIOS-e820: [mem 0x0000000000100000-0x0000000059cccfff] usable

https://beaker.engineering.redhat.com/recipes/19425177#task200417999

[root@storageqe-108 ~]# rpm -qa |grep microcode_ctl
microcode_ctl-20250512-1.el9.noarch
[root@storageqe-108 ~]#

[root@storageqe-108 ~]# lscpu | grep "Model name"
Model name: AMD EPYC 9124 16-Core Processor
BIOS Model name: AMD EPYC 9124 16-Core Processor

[root@storageqe-108 ~]# journalctl -k | grep microcode
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: unchecked MSR access error: WRMSR to 0xc0010020 (tried to write 0xff1100004c9d2b60) at rIP: 0xffffffff9ce5ec53 (__apply_microcode_amd+0x13/0x40)
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel:  ? __apply_microcode_amd+0x13/0x40
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel:  ? __apply_microcode_amd+0x5/0x40
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU1: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU2: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU3: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU4: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU5: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU6: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU7: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU8: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU9: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU10: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU11: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU12: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU13: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU14: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU15: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU16: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU17: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU18: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU19: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU20: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU21: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU22: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU23: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU24: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU25: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU26: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU27: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU28: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU29: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU30: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU31: update failed for patch_level=0x0a101158
Aug 25 11:44:40 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: Current revision: 0x0a101148
Aug 25 15:48:11 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU16: update failed for patch_level=0x0a101158
Aug 25 15:48:12 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU3: update failed for patch_level=0x0a101158
Aug 25 15:48:13 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU24: update failed for patch_level=0x0a101158
Aug 25 15:48:14 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU14: update failed for patch_level=0x0a101158
Aug 25 15:48:15 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU1: update failed for patch_level=0x0a101158
Aug 25 15:48:16 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU22: update failed for patch_level=0x0a101158
Aug 25 15:48:17 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU12: update failed for patch_level=0x0a101158
Aug 25 15:48:19 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU30: update failed for patch_level=0x0a101158
Aug 25 15:48:20 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU20: update failed for patch_level=0x0a101158
Aug 25 15:48:21 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU10: update failed for patch_level=0x0a101158
Aug 25 15:48:22 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU8: update failed for patch_level=0x0a101158
Aug 25 15:48:23 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU29: update failed for patch_level=0x0a101158
Aug 25 15:48:24 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU19: update failed for patch_level=0x0a101158
Aug 25 15:48:25 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU6: update failed for patch_level=0x0a101158
Aug 25 15:48:26 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU27: update failed for patch_level=0x0a101158
Aug 25 15:48:27 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU17: update failed for patch_level=0x0a101158
Aug 25 15:48:28 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU4: update failed for patch_level=0x0a101158
Aug 25 15:48:29 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU25: update failed for patch_level=0x0a101158
Aug 25 15:48:30 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU15: update failed for patch_level=0x0a101158
Aug 25 15:48:31 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU2: update failed for patch_level=0x0a101158
Aug 25 15:48:32 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU23: update failed for patch_level=0x0a101158
Aug 25 15:48:33 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU13: update failed for patch_level=0x0a101158
Aug 25 15:48:34 storageqe-108.rhts.eng.pek2.redhat.com kernel: microcode: CPU31: update failed for patch_level=0x0a101158

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RHEL-111432 [RHEL10] AMD ucode: WRMSR to 0xc0010020 fails, the cause is old BIOS, can't load new ucode, will run with very old ucode

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