Dear Andrew, On 2020-03-14, Andrew Doran wrote: > Module Name: src > Committed By: ad > Date: Sat Mar 14 13:50:46 UTC 2020 > > Modified Files: > src/sys/arch/x86/acpi: acpi_cpu_md.c > > Log Message: > Put ACPI idle under ACPICPU_ENABLE_C3 until the wrinkles are ironed out. > This seems well written and basically all good, but currently doesn't enter > a low power state, and imposes a big performance penalty. Proposed on > port-i386 & port-amd64. > > > To generate a diff of this commit: > cvs rdiff -u -r1.81 -r1.82 src/sys/arch/x86/acpi/acpi_cpu_md.c > > Please note that diffs are not public domain; they are subject to the > copyright notices on the relevant files.
This change seems to cause my machine to hang while booting. Reverting the change seems to fix the problem. Here are the details: $ cpuctl identify 0 cpu0: highest basic info 00000005 cpu0: highest extended info 8000001b cpu0: "AMD Athlon(tm) II X3 450 Processor" cpu0: AMD Family 10h (686-class), 3200.22 MHz cpu0: family 0x10 model 0x5 stepping 0x3 (id 0x100f53) cpu0: features 0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE> cpu0: features 0x178bfbff<MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT> cpu0: features1 0x802009<SSE3,MONITOR,CX16,POPCNT> cpu0: features2 0xefd3fbff<SYSCALL/SYSRET,NOX,MMXX,MMX,FXSR,FFXSR,P1GB,RDTSCP> cpu0: features2 0xefd3fbff<LONG,3DNOW2,3DNOW> cpu0: features3 0x37ff<LAHF,CMPLEGACY,SVM,EAPIC,ALTMOVCR0,LZCNT,SSE4A> cpu0: features3 0x37ff<MISALIGNSSE,3DNOWPREFETCH,OSVW,IBS,SKINIT,WDT> cpu0: I-cache 64KB 64B/line 2-way, D-cache 64KB 64B/line 2-way cpu0: L2 cache 512KB 64B/line 16-way cpu0: ITLB 32 4KB entries fully associative, 16 2MB entries fully associative cpu0: DTLB 48 4KB entries fully associative, 48 2MB entries fully associative cpu0: L2 ITLB 512 4KB entries 4-way cpu0: L2 DTLB 512 4KB entries 4-way, 128 2MB entries 2-way cpu0: L1 1GB page DTLB 48 1GB entries fully associative cpu0: L2 1GB page DTLB 16 1GB entries 8-way cpu0: Initial APIC ID 0 cpu0: Cluster/Package ID 0 cpu0: Core ID 0 cpu0: SMT ID 0 cpu0: MONITOR/MWAIT extensions 0x3<EMX,IBE> cpu0: monitor-line size 64 cpu0: AMD Power Management features: 0x1f9<TS,TTP,HTC,STC,100,HWP,TSC> cpu0: SVM Rev. 1 cpu0: SVM NASID 64 cpu0: SVM features 0xf<NP,LbrVirt,SVML,NRIPS> cpu0: UCode version: 0x10000c8 $ dmesg | fgrep acpicpu [ 1.014781] acpicpu0 at cpu0: ACPI CPU [ 1.014781] acpicpu0: C1: HLT, lat 0 us, pow 0 mW [ 1.014781] acpicpu0: P0: FFH, lat 4 us, pow 34375 mW, 3200 MHz [ 1.014781] acpicpu0: P1: FFH, lat 4 us, pow 25245 mW, 2500 MHz [ 1.014781] acpicpu0: P2: FFH, lat 4 us, pow 22200 mW, 2000 MHz [ 1.014781] acpicpu0: P3: FFH, lat 4 us, pow 12095 mW, 800 MHz [ 1.014781] acpicpu0: T0: I/O, lat 1 us, pow 0 mW, 100 % [ 1.014781] acpicpu0: T1: I/O, lat 1 us, pow 0 mW, 88 % [ 1.014781] acpicpu0: T2: I/O, lat 1 us, pow 0 mW, 76 % [ 1.014781] acpicpu0: T3: I/O, lat 1 us, pow 0 mW, 64 % [ 1.014781] acpicpu0: T4: I/O, lat 1 us, pow 0 mW, 52 % [ 1.014781] acpicpu0: T5: I/O, lat 1 us, pow 0 mW, 40 % [ 1.014781] acpicpu0: T6: I/O, lat 1 us, pow 0 mW, 28 % [ 1.014781] acpicpu0: T7: I/O, lat 1 us, pow 0 mW, 16 % [ 1.014781] acpicpu1 at cpu1: ACPI CPU [ 1.014781] acpicpu2 at cpu2: ACPI CPU [ 1.017385] acpicpu0 at cpu0: ACPI CPU [ 1.017385] acpicpu0: C1: HLT, lat 0 us, pow 0 mW [ 1.017385] acpicpu0: P0: FFH, lat 4 us, pow 34375 mW, 3200 MHz [ 1.017385] acpicpu0: P1: FFH, lat 4 us, pow 25245 mW, 2500 MHz [ 1.017385] acpicpu0: P2: FFH, lat 4 us, pow 22200 mW, 2000 MHz [ 1.017385] acpicpu0: P3: FFH, lat 4 us, pow 12095 mW, 800 MHz [ 1.017385] acpicpu0: T0: I/O, lat 1 us, pow 0 mW, 100 % [ 1.017385] acpicpu0: T1: I/O, lat 1 us, pow 0 mW, 88 % [ 1.017385] acpicpu0: T2: I/O, lat 1 us, pow 0 mW, 76 % [ 1.017385] acpicpu0: T3: I/O, lat 1 us, pow 0 mW, 64 % [ 1.017385] acpicpu0: T4: I/O, lat 1 us, pow 0 mW, 52 % [ 1.017385] acpicpu0: T5: I/O, lat 1 us, pow 0 mW, 40 % [ 1.017385] acpicpu0: T6: I/O, lat 1 us, pow 0 mW, 28 % [ 1.017385] acpicpu0: T7: I/O, lat 1 us, pow 0 mW, 16 % [ 1.017385] acpicpu1 at cpu1: ACPI CPU [ 1.017385] acpicpu2 at cpu2: ACPI CPU -- Kind regards, Yorick Hardy
