https://bugzilla.kernel.org/show_bug.cgi?id=213023
Bug ID: 213023
Summary: Could not resolve symbol [\_PR.CPU0._CPC]
Product: ACPI
Version: 2.5
Kernel Version: 5.12.2
Hardware: x86-64
OS: Linux
Tree: Mainline
Status: NEW
Severity: high
Priority: P1
Component: BIOS
Assignee: acpi_b...@kernel-bugs.osdl.org
Reporter: ionut_n2...@yahoo.com
Regression: No
Hi Kernel Team,
Observe this issue:
[ 2.057284] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[ 2.057339] ACPI Error: Aborting method \_PR.CPU1._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[ 2.057443] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[ 2.057484] ACPI Error: Aborting method \_PR.CPU2._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[ 2.057569] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[ 2.057610] ACPI Error: Aborting method \_PR.CPU3._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 39 bits physical, 48 bits virtual
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 2
Core(s) per socket: 2
Socket(s): 1
NUMA node(s): 1
Vendor ID: GenuineIntel
CPU family: 6
Model: 142
Model name: Intel(R) Core(TM) i5-7260U CPU @ 2.20GHz
Stepping: 9
CPU MHz: 2200.000
CPU max MHz: 3400.0000
CPU min MHz: 400.0000
BogoMIPS: 4399.99
Virtualization: VT-x
L1d cache: 64 KiB
L1i cache: 64 KiB
L2 cache: 512 KiB
L3 cache: 4 MiB
NUMA node0 CPU(s): 0-3
Vulnerability Itlb multihit: KVM: Mitigation: VMX disabled
Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional
cache flushes, SMT vulnerable
Vulnerability Mds: Mitigation; Clear CPU buffers; SMT vulnerable
Vulnerability Meltdown: Mitigation; PTI
Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled
via prctl and seccomp
Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and
__user pointer sanitization
Vulnerability Spectre v2: Mitigation; Full generic retpoline, IBPB
conditional, IBRS_FW, STIBP conditional, RSB filling
Vulnerability Srbds: Mitigation; Microcode
Vulnerability Tsx async abort: Not affected
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep
mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe
syscall nx pdpe1gb rdtscp lm constant_t
sc art arch_perfmon pebs bts rep_good nopl
xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx
est tm2 ssse3 sdbg fma cx16 xtpr pdcm
pcid sse4_1 sse4_2 x2apic movbe popcnt
tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch
cpuid_fault epb invpcid_single pti ssbd ibrs ibp
b stibp tpr_shadow vnmi flexpriority ept vpid
ept_ad fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap
clflushopt intel_pt xsaveopt xsav
ec xgetbv1 xsaves dtherm ida arat pln pts hwp
hwp_notify hwp_act_window hwp_epp md_clear flush_l1d
dmesg | grep -E "ACPI|BIOS"
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x0000000000057fff] usable
[ 0.000000] BIOS-e820: [mem 0x0000000000058000-0x0000000000058fff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000059000-0x000000000009dfff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009e000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x000000006cdbefff] usable
[ 0.000000] BIOS-e820: [mem 0x000000006cdbf000-0x000000006cdbffff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x000000006cdc0000-0x000000006cdc0fff] reserved
[ 0.000000] BIOS-e820: [mem 0x000000006cdc1000-0x000000007a465fff] usable
[ 0.000000] BIOS-e820: [mem 0x000000007a466000-0x000000007a7a4fff] reserved
[ 0.000000] BIOS-e820: [mem 0x000000007a7a5000-0x000000007a7e2fff] ACPI data
[ 0.000000] BIOS-e820: [mem 0x000000007a7e3000-0x000000007afbafff] ACPI NVS
[ 0.000000] BIOS-e820: [mem 0x000000007afbb000-0x000000007b3fdfff] reserved
[ 0.000000] BIOS-e820: [mem 0x000000007b3fe000-0x000000007b3fefff] usable
[ 0.000000] BIOS-e820: [mem 0x000000007b3ff000-0x000000007fffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000e0000000-0x00000000efffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fe000000-0x00000000fe010fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fec00000-0x00000000fec00fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fed00000-0x00000000fed00fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fee00000-0x00000000fee00fff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000ff000000-0x00000000ffffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000047effffff] usable
[ 0.000000] reserve setup_data: [mem 0x000000006cdbf000-0x000000006cdbffff]
ACPI NVS
[ 0.000000] reserve setup_data: [mem 0x000000007a7a5000-0x000000007a7e2fff]
ACPI data
[ 0.000000] reserve setup_data: [mem 0x000000007a7e3000-0x000000007afbafff]
ACPI NVS
[ 0.000000] efi: ACPI 2.0=0x7a7b1000 ACPI=0x7a7b1000 SMBIOS=0x7b30b000
SMBIOS 3.0=0x7b30a000 ESRT=0x7b30c858 MOKvar=0x786d6000
[ 0.000000] SMBIOS 3.0.0 present.
[ 0.000000] DMI: Intel Corporation NUC7i5BNH/NUC7i5BNB, BIOS
BNKBL357.86A.0050.2017.0816.2002 08/16/2017
[ 0.013016] ACPI: Early table checksum verification disabled
[ 0.013019] ACPI: RSDP 0x000000007A7B1000 000024 (v02 INTEL )
[ 0.013024] ACPI: XSDT 0x000000007A7B10A8 0000D4 (v01 INTEL NUC7i5BN
00000032 AMI 00010013)
[ 0.013030] ACPI: FACP 0x000000007A7DA100 000114 (v06 INTEL NUC7i5BN
00000032 AMI 00010013)
[ 0.013037] ACPI: DSDT 0x000000007A7B1210 028EEC (v02 INTEL NUC7i5BN
00000032 INTL 20160422)
[ 0.013041] ACPI: FACS 0x000000007AFBAC40 000040
[ 0.013044] ACPI: APIC 0x000000007A7DA218 000084 (v03 INTEL NUC7i5BN
00000032 AMI 00010013)
[ 0.013048] ACPI: FPDT 0x000000007A7DA2A0 000044 (v01 INTEL NUC7i5BN
00000032 AMI 00010013)
[ 0.013051] ACPI: MCFG 0x000000007A7DA2E8 00003C (v01 INTEL NUC7i5BN
00000032 MSFT 00000097)
[ 0.013055] ACPI: SSDT 0x000000007A7DA328 000359 (v01 INTEL NUC7i5BN
00000032 INTL 20160422)
[ 0.013058] ACPI: FIDT 0x000000007A7DA688 00009C (v01 INTEL NUC7i5BN
00000032 AMI 00010013)
[ 0.013062] ACPI: SSDT 0x000000007A7DA728 003174 (v02 INTEL NUC7i5BN
00000032 INTL 20160422)
[ 0.013065] ACPI: HPET 0x000000007A7DD8A0 000038 (v01 INTEL NUC7i5BN
00000032 MSFT 0000005F)
[ 0.013069] ACPI: SSDT 0x000000007A7DD8D8 0009B2 (v02 INTEL NUC7i5BN
00000032 INTL 20160422)
[ 0.013072] ACPI: UEFI 0x000000007A7DE290 000042 (v01 INTEL NUC7i5BN
00000032 01000013)
[ 0.013076] ACPI: SSDT 0x000000007A7DE2D8 000EDE (v02 INTEL NUC7i5BN
00000032 INTL 20160422)
[ 0.013079] ACPI: LPIT 0x000000007A7DF1B8 000094 (v01 INTEL NUC7i5BN
00000032 MSFT 0000005F)
[ 0.013082] ACPI: WSMT 0x000000007A7DF250 000028 (v01 INTEL NUC7i5BN
00000032 MSFT 0000005F)
[ 0.013086] ACPI: SSDT 0x000000007A7DF278 000141 (v02 INTEL NUC7i5BN
00000032 INTL 20160422)
[ 0.013089] ACPI: SSDT 0x000000007A7DF3C0 00029F (v02 INTEL NUC7i5BN
00000032 INTL 20160422)
[ 0.013093] ACPI: SSDT 0x000000007A7DF660 003002 (v02 INTEL NUC7i5BN
00000032 INTL 20160422)
[ 0.013097] ACPI: DBGP 0x000000007A7E2668 000034 (v01 INTEL NUC7i5BN
00000032 MSFT 0000005F)
[ 0.013100] ACPI: DBG2 0x000000007A7E26A0 000054 (v00 INTEL NUC7i5BN
00000032 MSFT 0000005F)
[ 0.013103] ACPI: BGRT 0x000000007A7E26F8 000038 (v01 INTEL NUC7i5BN
00000032 AMI 00010013)
[ 0.013107] ACPI: DMAR 0x000000007A7E2730 0000A8 (v01 INTEL NUC7i5BN
00000032 INTL 00000001)
[ 0.013110] ACPI: NHLT 0x000000007A7E27D8 00002D (v00 INTEL NUC7i5BN
00000032 01000013)
[ 0.013114] ACPI: SSDT 0x000000007A7E2808 0001C9 (v01 INTEL NUC7i5BN
00000032 INTL 20160422)
[ 0.013117] ACPI: Reserving FACP table memory at [mem 0x7a7da100-0x7a7da213]
[ 0.013119] ACPI: Reserving DSDT table memory at [mem 0x7a7b1210-0x7a7da0fb]
[ 0.013120] ACPI: Reserving FACS table memory at [mem 0x7afbac40-0x7afbac7f]
[ 0.013122] ACPI: Reserving APIC table memory at [mem 0x7a7da218-0x7a7da29b]
[ 0.013123] ACPI: Reserving FPDT table memory at [mem 0x7a7da2a0-0x7a7da2e3]
[ 0.013124] ACPI: Reserving MCFG table memory at [mem 0x7a7da2e8-0x7a7da323]
[ 0.013125] ACPI: Reserving SSDT table memory at [mem 0x7a7da328-0x7a7da680]
[ 0.013127] ACPI: Reserving FIDT table memory at [mem 0x7a7da688-0x7a7da723]
[ 0.013128] ACPI: Reserving SSDT table memory at [mem 0x7a7da728-0x7a7dd89b]
[ 0.013129] ACPI: Reserving HPET table memory at [mem 0x7a7dd8a0-0x7a7dd8d7]
[ 0.013130] ACPI: Reserving SSDT table memory at [mem 0x7a7dd8d8-0x7a7de289]
[ 0.013132] ACPI: Reserving UEFI table memory at [mem 0x7a7de290-0x7a7de2d1]
[ 0.013133] ACPI: Reserving SSDT table memory at [mem 0x7a7de2d8-0x7a7df1b5]
[ 0.013134] ACPI: Reserving LPIT table memory at [mem 0x7a7df1b8-0x7a7df24b]
[ 0.013135] ACPI: Reserving WSMT table memory at [mem 0x7a7df250-0x7a7df277]
[ 0.013137] ACPI: Reserving SSDT table memory at [mem 0x7a7df278-0x7a7df3b8]
[ 0.013138] ACPI: Reserving SSDT table memory at [mem 0x7a7df3c0-0x7a7df65e]
[ 0.013139] ACPI: Reserving SSDT table memory at [mem 0x7a7df660-0x7a7e2661]
[ 0.013141] ACPI: Reserving DBGP table memory at [mem 0x7a7e2668-0x7a7e269b]
[ 0.013142] ACPI: Reserving DBG2 table memory at [mem 0x7a7e26a0-0x7a7e26f3]
[ 0.013143] ACPI: Reserving BGRT table memory at [mem 0x7a7e26f8-0x7a7e272f]
[ 0.013144] ACPI: Reserving DMAR table memory at [mem 0x7a7e2730-0x7a7e27d7]
[ 0.013146] ACPI: Reserving NHLT table memory at [mem 0x7a7e27d8-0x7a7e2804]
[ 0.013147] ACPI: Reserving SSDT table memory at [mem 0x7a7e2808-0x7a7e29d0]
[ 0.013156] ACPI: Local APIC address 0xfee00000
[ 0.021520] ACPI: PM-Timer IO Port: 0x1808
[ 0.021523] ACPI: Local APIC address 0xfee00000
[ 0.021529] ACPI: LAPIC_NMI (acpi_id[0x01] high edge lint[0x1])
[ 0.021531] ACPI: LAPIC_NMI (acpi_id[0x02] high edge lint[0x1])
[ 0.021532] ACPI: LAPIC_NMI (acpi_id[0x03] high edge lint[0x1])
[ 0.021533] ACPI: LAPIC_NMI (acpi_id[0x04] high edge lint[0x1])
[ 0.021563] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[ 0.021565] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.021567] ACPI: IRQ0 used by override.
[ 0.021569] ACPI: IRQ9 used by override.
[ 0.021571] Using ACPI (MADT) for SMP configuration information
[ 0.021572] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.080655] ACPI: Core revision 20210105
[ 0.174457] PM: Registering ACPI NVS region [mem 0x6cdbf000-0x6cdbffff]
(4096 bytes)
[ 0.174457] PM: Registering ACPI NVS region [mem 0x7a7e3000-0x7afbafff]
(8224768 bytes)
[ 0.177255] ACPI FADT declares the system doesn't support PCIe ASPM, so
disable it
[ 0.177255] ACPI: bus type PCI registered
[ 0.177255] acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5
[ 0.178219] ACPI: Added _OSI(Module Device)
[ 0.178219] ACPI: Added _OSI(Processor Device)
[ 0.178219] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.178219] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.178219] ACPI: Added _OSI(Linux-Dell-Video)
[ 0.178219] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 0.178219] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[ 0.233459] ACPI: 9 ACPI AML tables successfully acquired and loaded
[ 0.242879] ACPI: Dynamic OEM Table Load:
[ 0.242887] ACPI: SSDT 0xFFFF8CE1BCBA6000 00060F (v02 PmRef Cpu0Ist
00003000 INTL 20160422)
[ 0.244544] ACPI: \_PR_.CPU0: _OSC native thermal LVT Acked
[ 0.246585] ACPI: Dynamic OEM Table Load:
[ 0.246591] ACPI: SSDT 0xFFFF8CE36EDDA400 0003FF (v02 PmRef Cpu0Cst
00003001 INTL 20160422)
[ 0.248594] ACPI: Dynamic OEM Table Load:
[ 0.248600] ACPI: SSDT 0xFFFF8CE1BCBA4800 00065C (v02 PmRef ApIst
00003000 INTL 20160422)
[ 0.250539] ACPI: Dynamic OEM Table Load:
[ 0.250545] ACPI: SSDT 0xFFFF8CE000D7A800 000197 (v02 PmRef ApHwp
00003000 INTL 20160422)
[ 0.252029] ACPI: Dynamic OEM Table Load:
[ 0.252035] ACPI: SSDT 0xFFFF8CE000D7A000 00018A (v02 PmRef ApCst
00003000 INTL 20160422)
[ 0.255838] ACPI: EC: EC started
[ 0.255840] ACPI: EC: interrupt blocked
[ 0.255864] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
[ 0.255866] ACPI: \_SB_.PCI0.LPCB.H_EC: Boot DSDT EC used to handle
transactions
[ 0.255868] ACPI: Interpreter enabled
[ 0.255922] ACPI: (supports S0 S3 S4 S5)
[ 0.255923] ACPI: Using IOAPIC for interrupt routing
[ 0.255974] PCI: Using host bridge windows from ACPI; if necessary, use
"pci=nocrs" and report a bug
[ 0.257424] ACPI: Enabled 7 GPEs in block 00 to 7F
[ 0.263100] ACPI: PM: Power Resource [WRST] (on)
[ 0.263538] ACPI: PM: Power Resource [WRST] (on)
[ 0.263977] ACPI: PM: Power Resource [WRST] (on)
[ 0.264424] ACPI: PM: Power Resource [WRST] (on)
[ 0.264862] ACPI: PM: Power Resource [WRST] (on)
[ 0.265296] ACPI: PM: Power Resource [WRST] (on)
[ 0.265729] ACPI: PM: Power Resource [WRST] (on)
[ 0.266163] ACPI: PM: Power Resource [WRST] (on)
[ 0.266598] ACPI: PM: Power Resource [WRST] (on)
[ 0.267035] ACPI: PM: Power Resource [WRST] (on)
[ 0.267474] ACPI: PM: Power Resource [WRST] (on)
[ 0.267913] ACPI: PM: Power Resource [WRST] (on)
[ 0.268353] ACPI: PM: Power Resource [WRST] (on)
[ 0.268788] ACPI: PM: Power Resource [WRST] (on)
[ 0.269228] ACPI: PM: Power Resource [WRST] (on)
[ 0.269661] ACPI: PM: Power Resource [WRST] (on)
[ 0.271498] ACPI: PM: Power Resource [WRST] (on)
[ 0.271939] ACPI: PM: Power Resource [WRST] (on)
[ 0.272374] ACPI: PM: Power Resource [WRST] (on)
[ 0.273103] ACPI: PM: Power Resource [WRST] (on)
[ 0.288495] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-fe])
[ 0.289088] acpi PNP0A08:00: FADT indicates ASPM is unsupported, using BIOS
configuration
[ 0.312006] ACPI: PCI Interrupt Link [LNKA] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.312093] ACPI: PCI Interrupt Link [LNKB] (IRQs 3 4 5 6 *10 11 12 14 15)
[ 0.312173] ACPI: PCI Interrupt Link [LNKC] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.312257] ACPI: PCI Interrupt Link [LNKD] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.312336] ACPI: PCI Interrupt Link [LNKE] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.312416] ACPI: PCI Interrupt Link [LNKF] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.312495] ACPI: PCI Interrupt Link [LNKG] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.312575] ACPI: PCI Interrupt Link [LNKH] (IRQs 3 4 5 6 10 *11 12 14 15)
[ 0.318768] ACPI: EC: interrupt unblocked
[ 0.318770] ACPI: EC: event unblocked
[ 0.318780] ACPI: EC: EC_CMD/EC_SC=0x66, EC_DATA=0x62
[ 0.318781] ACPI: EC: GPE=0x14
[ 0.318783] ACPI: \_SB_.PCI0.LPCB.H_EC: Boot DSDT EC initialization complete
[ 0.318785] ACPI: \_SB_.PCI0.LPCB.H_EC: EC: Used to handle transactions and
events
[ 0.318857] PCI: Using ACPI for IRQ routing
[ 0.354569] pnp: PnP ACPI init
[ 0.355152] system 00:00: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.355491] pnp 00:01: Plug and Play ACPI device, IDs ITE8708 (active)
[ 0.355690] system 00:02: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.355821] pnp 00:03: Plug and Play ACPI device, IDs PNP0b00 (active)
[ 0.355867] system 00:04: Plug and Play ACPI device, IDs INT3f0d PNP0c02
(active)
[ 0.356248] system 00:05: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.356333] system 00:06: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.356755] system 00:07: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.358534] system 00:08: Plug and Play ACPI device, IDs PNP0c02 (active)
[ 0.359832] pnp: PnP ACPI: found 9 devices
[ 2.057284] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[ 2.057339] ACPI Error: Aborting method \_PR.CPU1._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[ 2.057443] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[ 2.057484] ACPI Error: Aborting method \_PR.CPU2._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[ 2.057569] ACPI BIOS Error (bug): Could not resolve symbol
[\_PR.CPU0._CPC], AE_NOT_FOUND (20210105/psargs-330)
[ 2.057610] ACPI Error: Aborting method \_PR.CPU3._CPC due to previous error
(AE_NOT_FOUND) (20210105/psparse-529)
[ 2.382750] ata1.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded
[ 2.382761] ata1.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK)
filtered out
[ 2.382766] ata1.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION
OVERLAY) filtered out
[ 2.388004] ata1.00: ACPI cmd ef/10:06:00:00:00:00 (SET FEATURES) succeeded
[ 2.388014] ata1.00: ACPI cmd f5/00:00:00:00:00:00 (SECURITY FREEZE LOCK)
filtered out
[ 2.388019] ata1.00: ACPI cmd b1/c1:00:00:00:00:00 (DEVICE CONFIGURATION
OVERLAY) filtered out
[ 3.788012] ACPI: bus type USB registered
[ 4.319596] ACPI: video: Video Device [GFX0] (multi-head: yes rom: no
post: no)
[ 6.640084] ACPI: button: Sleep Button [SLPB]
[ 6.640992] ACPI: button: Power Button [PWRB]
[ 6.655950] ACPI: button: Power Button [PWRF]
[ 7.076054] pstore: On a broken BIOS, this can severely harm your system
cat /proc/cmdline
BOOT_IMAGE=/boot/vmlinuz-5.12.2-vanilla
root=UUID=dfbff61a-788e-4d2f-babf-2c95930448a6 splash=silent mitigations=auto
quiet iommu=force intel_iommu=on
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