From: Paul Menzel <pmenzel@molgen.mpg.de>
To: Huang Rui <ray.huang@amd.com>
Cc: linux-pm@vger.kernel.org
Subject: Warning `amd_pstate: the _CPC object is not present in SBIOS or ACPI disabled`
Date: Fri, 19 Apr 2024 14:30:56 +0200 [thread overview]
Message-ID: <d0e7eaad-d549-423c-a138-84c2abc817a7@molgen.mpg.de> (raw)
Dear Linux folks,
On a Dell OptiPlex 5055 with AMD Ryzen 5 PRO 1500 Quad-Core Processor
$ dmesg | grep -e "DMI:" -e "Linux version" -e microcode
[ 0.000000] Linux version 6.9.0-rc4.mx64.461-00045-g6c95a9f46024
(x@holidayincambodia.molgen.mpg.de) (gcc (GCC) 12.3.0, GNU ld (GNU
Binutils) 2.41) #17 SMP PREEMPT_DYNAMIC Thu Apr 18 12:10:17 CEST 2024
[ 0.000000] DMI: Dell Inc. OptiPlex 5055 Ryzen CPU/0P03DX, BIOS
1.12.0 03/03/2024
[ 3.562349] microcode: Current revision: 0x08001137
even with the latest system firmware 1.12.0 [1], Linux warns:
$ dmesg --level alert,crit,err,warn
[ 3.506197] amd_pstate: the _CPC object is not present in SBIOS
or ACPI disabled
[ 5.152840] xfs filesystem being remounted at / supports
timestamps until 2038-01-19 (0x7fffffff)
[ 5.340653] wmi_bus wmi_bus-PNP0C14:00: [Firmware Bug]: WQBC
data block query control method not found
[ 7.891459] kfd kfd: amdgpu: VERDE not supported in kfd
[ 12.032894] xfs filesystem being mounted at /amd/hypnotoad/0
supports timestamps until 2038-01-19 (0x7fffffff)
[ 13.283545] NFSD: Unable to initialize client recovery tracking!
(-110)
What can I do about the warning?
Kind regards,
Paul
[1]:
https://dl.dell.com/FOLDER11328712M/1/OptiPlex_5055_Ryzen_CPU_1.12.0.exe
download with
wget --user-agent="Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:52.0)
Gecko/20100101 Firefox/52.0"
https://dl.dell.com/FOLDER11328712M/1/OptiPlex_5055_Ryzen_CPU_1.12.0.exe
next reply other threads:[~2024-04-19 12:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-04-19 12:30 Paul Menzel [this message]
2024-04-19 16:13 ` Warning `amd_pstate: the _CPC object is not present in SBIOS or ACPI disabled` Du, Xiaojian
2024-04-19 16:23 ` Paul Menzel
2024-04-22 5:41 ` Yuan, Perry
2024-04-22 7:05 ` Paul Menzel
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