Tested the latest kernel. cppc_cpufreq still does not load.
root@n005:~# uname -ar
Linux n005 5.15.0-112-generic #122-Ubuntu SMP Thu May 23 07:51:32 UTC 2024
aarch64 aarch64 aarch64 GNU/Linux
root@n005:~# modprobe -vvv cppc_cpufreq
modprobe: INFO: ../libkmod/libkmod.c:367 kmod_set_log_fn() custom logging
function 0xaaaaaaaa5970 registered
modprobe: DEBUG: ../libkmod/libkmod-index.c:757 index_mm_open()
file=/lib/modules/5.15.0-112-generic/modules.dep.bin
modprobe: DEBUG: ../libkmod/libkmod-index.c:757 index_mm_open()
file=/lib/modules/5.15.0-112-generic/modules.alias.bin
modprobe: DEBUG: ../libkmod/libkmod-index.c:757 index_mm_open()
file=/lib/modules/5.15.0-112-generic/modules.symbols.bin
modprobe: DEBUG: ../libkmod/libkmod-index.c:757 index_mm_open()
file=/lib/modules/5.15.0-112-generic/modules.builtin.alias.bin
modprobe: DEBUG: ../libkmod/libkmod-index.c:757 index_mm_open()
file=/lib/modules/5.15.0-112-generic/modules.builtin.bin
modprobe: DEBUG: ../libkmod/libkmod-module.c:556 kmod_module_new_from_lookup()
input alias=cppc_cpufreq, normalized=cppc_cpufreq
modprobe: DEBUG: ../libkmod/libkmod-module.c:562 kmod_module_new_from_lookup()
lookup modules.dep cppc_cpufreq
modprobe: DEBUG: ../libkmod/libkmod.c:597 kmod_search_moddep() use mmaped index
'modules.dep' modname=cppc_cpufreq
modprobe: DEBUG: ../libkmod/libkmod.c:405 kmod_pool_get_module() get module
name='cppc_cpufreq' found=(nil)
modprobe: DEBUG: ../libkmod/libkmod.c:413 kmod_pool_add_module() add
0xaaaaaaad84a0 key='cppc_cpufreq'
modprobe: DEBUG: ../libkmod/libkmod-module.c:202 kmod_module_parse_depline() 0
dependencies for cppc_cpufreq
modprobe: DEBUG: ../libkmod/libkmod-module.c:589 kmod_module_new_from_lookup()
lookup cppc_cpufreq=0, list=0xaaaaaaad7f30
modprobe: DEBUG: ../libkmod/libkmod.c:502 lookup_builtin_file() use mmaped
index 'modules.builtin' modname=cppc_cpufreq
modprobe: DEBUG: ../libkmod/libkmod-module.c:1760 kmod_module_get_initstate()
could not open '/sys/module/cppc_cpufreq/initstate': No such file or directory
modprobe: DEBUG: ../libkmod/libkmod-module.c:1770 kmod_module_get_initstate()
could not open '/sys/module/cppc_cpufreq': No such file or directory
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=snd_pcsp mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=snd_usb_audio mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=cx88_alsa mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=snd_atiixp_modem mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=snd_intel8x0m mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=snd_via82xx_modem mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=ib_ipoib mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=md_mod mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=bonding mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=dummy mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=net mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=iommu mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=arm_smmu mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1404 kmod_module_get_options()
modname=ipv6 mod->name=cppc_cpufreq mod->alias=(null)
modprobe: DEBUG: ../libkmod/libkmod-module.c:1760 kmod_module_get_initstate()
could not open '/sys/module/cppc_cpufreq/initstate': No such file or directory
modprobe: DEBUG: ../libkmod/libkmod-module.c:1770 kmod_module_get_initstate()
could not open '/sys/module/cppc_cpufreq': No such file or directory
modprobe: DEBUG: ../libkmod/libkmod-module.c:750 kmod_module_get_path()
name='cppc_cpufreq'
path='/lib/modules/5.15.0-112-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko'
modprobe: DEBUG: ../libkmod/libkmod-module.c:750 kmod_module_get_path()
name='cppc_cpufreq'
path='/lib/modules/5.15.0-112-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko'
insmod /lib/modules/5.15.0-112-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko
modprobe: DEBUG: ../libkmod/libkmod-module.c:750 kmod_module_get_path()
name='cppc_cpufreq'
path='/lib/modules/5.15.0-112-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko'
modprobe: INFO: ../libkmod/libkmod-module.c:892 kmod_module_insert_module()
Failed to insert module
'/lib/modules/5.15.0-112-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko': No
such device
modprobe: ERROR: could not insert 'cppc_cpufreq': No such device
modprobe: DEBUG: ../libkmod/libkmod-module.c:468 kmod_module_unref()
kmod_module 0xaaaaaaad84a0 released
modprobe: DEBUG: ../libkmod/libkmod.c:421 kmod_pool_del_module() del
0xaaaaaaad84a0 key='cppc_cpufreq'
modprobe: INFO: ../libkmod/libkmod.c:334 kmod_unref() context 0xaaaaaaad7550
released
root@n005:~# lscpu
Architecture: aarch64
CPU op-mode(s): 64-bit
Byte Order: Little Endian
CPU(s): 256
On-line CPU(s) list: 0-255
Vendor ID: Cavium
Model name: ThunderX2 99xx
Model: 1
Thread(s) per core: 4
Core(s) per socket: 32
Socket(s): 2
Stepping: 0x1
BogoMIPS: 400.00
Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics
cpuid asimdrdm
Caches (sum of all):
L1d: 2 MiB (64 instances)
L1i: 2 MiB (64 instances)
L2: 16 MiB (64 instances)
L3: 64 MiB (2 instances)
NUMA:
NUMA node(s): 2
NUMA node0 CPU(s): 0-127
NUMA node1 CPU(s): 128-255
Vulnerabilities:
Gather data sampling: Not affected
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Mmio stale data: Not affected
Retbleed: Not affected
Spec rstack overflow: Not affected
Spec store bypass: Vulnerable
Spectre v1: Mitigation; __user pointer sanitization
Spectre v2: Vulnerable
Srbds: Not affected
Tsx async abort: Not affected
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https://bugs.launchpad.net/bugs/2053049
Title:
cppc_cpufreq.ko doesn't load on Cavium ThunderX2 system w/Ubuntu
22.04.3 LTS
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