Comment 3 for bug 2053049

Same on 5.15.0-102-generic. Is there some kernel parameter that needs to be set? Something changed from 5.4.0-150-generic Ubuntu 18.04.6LTS, where module worked fine.

root@n005:~# modprobe -D cppc_cpufreq
insmod /lib/modules/5.15.0-102-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko

root@n005:~# ll /lib/modules/5.15.0-102-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko
-rw-r--r-- 1 root root 26977 Mar 5 16:22 /lib/modules/5.15.0-102-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko

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/5.15.0-102-generic/modules.dep.bin
modprobe: DEBUG: ../libkmod/libkmod-index.c:757 index_mm_open() file=/lib/modules/5.15.0-102-generic/modules.alias.bin
modprobe: DEBUG: ../libkmod/libkmod-index.c:757 index_mm_open() file=/lib/modules/5.15.0-102-generic/modules.symbols.bin
modprobe: DEBUG: ../libkmod/libkmod-index.c:757 index_mm_open() file=/lib/modules/5.15.0-102-generic/modules.builtin.alias.bin
modprobe: DEBUG: ../libkmod/libkmod-index.c:757 index_mm_open() file=/lib/modules/5.15.0-102-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 0xaaaaaaad8490 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=0xaaaaaaad7f20
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/5.15.0-102-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko'
modprobe: DEBUG: ../libkmod/libkmod-module.c:750 kmod_module_get_path() name='cppc_cpufreq' path='/lib/modules/5.15.0-102-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko'
insmod /lib/modules/5.15.0-102-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko
modprobe: DEBUG: ../libkmod/libkmod-module.c:750 kmod_module_get_path() name='cppc_cpufreq' path='/lib/modules/5.15.0-102-generic/kernel/drivers/cpufreq/cppc_cpufreq.ko'
modprobe: INFO: ../libkmod/libkmod-module.c:892 kmod_module_insert_module() Failed to insert module '/lib/modules/5.15.0-102-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 0xaaaaaaad8490 released
modprobe: DEBUG: ../libkmod/libkmod.c:421 kmod_pool_del_module() del 0xaaaaaaad8490 key='cppc_cpufreq'
modprobe: INFO: ../libkmod/libkmod.c:334 kmod_unref() context 0xaaaaaaad7540 released