On Fri, Jul 3, 2020 at 5:33 AM Stuart Henderson <[email protected]> wrote:

> On 2020/07/03 03:34, Abel Abraham Camarillo Ojeda wrote:
> > >Synopsis: boot stuck at avail mem unless boot -c \n quit\n
> > >Category: kernel amd64
> > >Environment:
> > System      : OpenBSD 6.7
> > Details     : OpenBSD 6.7-current (GENERIC.MP) #305: Fri Jun 26 09:07:29
> > MDT 2020
> > [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> >
> > Architecture: OpenBSD.amd64
> > Machine     : amd64
> > >Description:
> > boot stucks at line:
> >
> > OpenBSD 6.7-current (GENERIC.MP) #305: Fri Jun 26 09:07:29 MDT 2020
> >    [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
> > real mem = 17028538368 (16239MB)
> > avail mem = 16497426432 (15733MB)
> > (stops here)
> >
> > (img attached)
> >
> > machine boots if I
> > run 'boot -c' at bootloader and just run 'quit', if not
> > kernel stops after 'avail mem' line
> >
> > machine was running may 29 snapshot without boot problems,
> > after a upgrade to jun 26 snapshot problems started to present.
> >
> > I bisected and tried several snapshots between jun 26 - may 29
> > but problem still presented, then I reinstalled the *same* may 29
> snapshot
> > I was using and problems were also reproducible (but they weren't
> > before) I'm without a clue here.
> > >How-To-Repeat:
> > 100% reproducible, tried it a dozen times:
> >
> > boot machine, GENERIC.MP without boot -c
> > >Fix:
> > boot -c \n quit \n
> > and machine boots...
>
> - Try uninstalling intel-firwmare and see if that changes anything.
>

Boots without problems after: pkg_delete intel-firmware;
gets stuck at avail mem again if I do pkg_add intel-firmware;

--- violeta-jun26dmesg-intelfw-bootc Fri Jul  3 06:02:52 2020
+++ violeta-jun26dmesg-nointelfw Fri Jul  3 05:54:27 2020
@@ -1,10 +1,7 @@
 OpenBSD 6.7-current (GENERIC.MP) #305: Fri Jun 26 09:07:29 MDT 2020
     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
 real mem = 17028538368 (16239MB)
-avail mem = 16497418240 (15733MB)
-User Kernel Config
-UKC> quit
-Continuing...
+avail mem = 16497438720 (15733MB)
 random: good seed from bootblocks
 mpath0 at root
 scsibus0 at mpath0: 256 targets
@@ -21,7 +18,7 @@
 acpihpet0 at acpi0: 23999999 Hz
 acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
 cpu0 at mainbus0: apid 0 (boot processor)
-cpu0: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1316.85 MHz, 06-4e-03
+cpu0: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1315.35 MHz, 06-4e-03
 cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu0: 256KB 64b/line 8-way L2 cache
 cpu0: TSC skew=0 observed drift=0
@@ -30,22 +27,22 @@
 cpu0: apic clock running at 24MHz
 cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE
 cpu1 at mainbus0: apid 2 (application processor)
-cpu1: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1123.08 MHz, 06-4e-03
+cpu1: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1123.96 MHz, 06-4e-03
 cpu1:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu1: 256KB 64b/line 8-way L2 cache
-cpu1: TSC skew=-19629770 observed drift=0
+cpu1: TSC skew=-29658859 observed drift=0
 cpu1: smt 0, core 1, package 0
 cpu2 at mainbus0: apid 1 (application processor)
-cpu2: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1097.45 MHz, 06-4e-03
+cpu2: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 998.35 MHz, 06-4e-03
 cpu2:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu2: 256KB 64b/line 8-way L2 cache
-cpu2: TSC skew=-19629809 observed drift=0
+cpu2: TSC skew=-29658857 observed drift=0
 cpu2: smt 1, core 0, package 0
 cpu3 at mainbus0: apid 3 (application processor)
-cpu3: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1079.31 MHz, 06-4e-03
+cpu3: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1000.47 MHz, 06-4e-03
 cpu3:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu3: 256KB 64b/line 8-way L2 cache
-cpu3: TSC skew=-19629787 observed drift=0
+cpu3: TSC skew=-29658865 observed drift=0
 cpu3: smt 1, core 1, package 0
 ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins
 acpimcfg0 at acpi0
@@ -91,7 +88,7 @@
 acpivideo0 at acpi0: GFX0
 acpivout0 at acpivideo0: DD1F
 cpu0: using VERW MDS workaround (except on vmm entry)
-cpu0: Enhanced SpeedStep 1316 MHz: speeds: 2301, 2300, 2200, 2000, 1900,
1800, 1600, 1500, 1300, 1200, 1100, 900, 800, 700, 500, 400 MHz
+cpu0: Enhanced SpeedStep 1315 MHz: speeds: 2301, 2300, 2200, 2000, 1900,
1800, 1600, 1500, 1300, 1200, 1100, 900, 800, 700, 500, 400 MHz
 pci0 at mainbus0 bus 0
 pchb0 at pci0 dev 0 function 0 "Intel Core 6G Host" rev 0x08
 inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 520" rev 0x07

will try the next today later (CDT):


>
> - Try installing the bootloader from the May 29 snapshot with new
> kernel/userland (untar ./usr/mdec from old base67.tgz and run
> "installboot sd0") and see if that changes anything. (with/without
> intel-firmware).
>
>

> - Is there any difference in kernel boot messages between the two?
> (either boot both and compare dmesg, or you may have an old one in
> /var/log/messages that you can diff)
>

I got a stored dmesg of May 27 snap (sorry all of my report was fur may 27
and not
may 29 I got confused), diff:

--- violeta-may27dmesg Fri Jul  3 06:10:30 2020
+++ violeta-jun26dmesg-intelfw-bootc Fri Jul  3 06:02:52 2020
@@ -1,7 +1,10 @@
-OpenBSD 6.7-current (GENERIC.MP) #225: Wed May 27 14:41:22 MDT 2020
+OpenBSD 6.7-current (GENERIC.MP) #305: Fri Jun 26 09:07:29 MDT 2020
     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
 real mem = 17028538368 (16239MB)
-avail mem = 16499671040 (15735MB)
+avail mem = 16497418240 (15733MB)
+User Kernel Config
+UKC> quit
+Continuing...
 random: good seed from bootblocks
 mpath0 at root
 scsibus0 at mpath0: 256 targets
@@ -18,27 +21,31 @@
 acpihpet0 at acpi0: 23999999 Hz
 acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
 cpu0 at mainbus0: apid 0 (boot processor)
-cpu0: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1333.66 MHz, 06-4e-03
+cpu0: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1316.85 MHz, 06-4e-03
 cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu0: 256KB 64b/line 8-way L2 cache
+cpu0: TSC skew=0 observed drift=0
 cpu0: smt 0, core 0, package 0
 mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
 cpu0: apic clock running at 24MHz
 cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE
 cpu1 at mainbus0: apid 2 (application processor)
-cpu1: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1091.71 MHz, 06-4e-03
+cpu1: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1123.08 MHz, 06-4e-03
 cpu1:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu1: 256KB 64b/line 8-way L2 cache
+cpu1: TSC skew=-19629770 observed drift=0
 cpu1: smt 0, core 1, package 0
 cpu2 at mainbus0: apid 1 (application processor)
-cpu2: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1022.91 MHz, 06-4e-03
+cpu2: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1097.45 MHz, 06-4e-03
 cpu2:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu2: 256KB 64b/line 8-way L2 cache
+cpu2: TSC skew=-19629809 observed drift=0
 cpu2: smt 1, core 0, package 0
 cpu3 at mainbus0: apid 3 (application processor)
-cpu3: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1047.66 MHz, 06-4e-03
+cpu3: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1079.31 MHz, 06-4e-03
 cpu3:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu3: 256KB 64b/line 8-way L2 cache
+cpu3: TSC skew=-19629787 observed drift=0
 cpu3: smt 1, core 1, package 0
 ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins
 acpimcfg0 at acpi0
@@ -84,7 +91,7 @@
 acpivideo0 at acpi0: GFX0
 acpivout0 at acpivideo0: DD1F
 cpu0: using VERW MDS workaround (except on vmm entry)
-cpu0: Enhanced SpeedStep 1333 MHz: speeds: 2301, 2300, 2200, 2000, 1900,
1800, 1600, 1500, 1300, 1200, 1100, 900, 800, 700, 500, 400 MHz
+cpu0: Enhanced SpeedStep 1316 MHz: speeds: 2301, 2300, 2200, 2000, 1900,
1800, 1600, 1500, 1300, 1200, 1100, 900, 800, 700, 500, 400 MHz
 pci0 at mainbus0 bus 0
 pchb0 at pci0 dev 0 function 0 "Intel Core 6G Host" rev 0x08
 inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 520" rev 0x07

--- violeta-may27dmesg Fri Jul  3 06:10:30 2020
+++ violeta-jun26dmesg-nointelfw Fri Jul  3 05:54:27 2020
@@ -1,7 +1,7 @@
-OpenBSD 6.7-current (GENERIC.MP) #225: Wed May 27 14:41:22 MDT 2020
+OpenBSD 6.7-current (GENERIC.MP) #305: Fri Jun 26 09:07:29 MDT 2020
     [email protected]:/usr/src/sys/arch/amd64/compile/GENERIC.MP
 real mem = 17028538368 (16239MB)
-avail mem = 16499671040 (15735MB)
+avail mem = 16497438720 (15733MB)
 random: good seed from bootblocks
 mpath0 at root
 scsibus0 at mpath0: 256 targets
@@ -18,27 +18,31 @@
 acpihpet0 at acpi0: 23999999 Hz
 acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat
 cpu0 at mainbus0: apid 0 (boot processor)
-cpu0: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1333.66 MHz, 06-4e-03
+cpu0: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1315.35 MHz, 06-4e-03
 cpu0:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu0: 256KB 64b/line 8-way L2 cache
+cpu0: TSC skew=0 observed drift=0
 cpu0: smt 0, core 0, package 0
 mtrr: Pentium Pro MTRR support, 10 var ranges, 88 fixed ranges
 cpu0: apic clock running at 24MHz
 cpu0: mwait min=64, max=64, C-substates=0.2.1.2.4.1.1.1, IBE
 cpu1 at mainbus0: apid 2 (application processor)
-cpu1: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1091.71 MHz, 06-4e-03
+cpu1: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1123.96 MHz, 06-4e-03
 cpu1:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu1: 256KB 64b/line 8-way L2 cache
+cpu1: TSC skew=-29658859 observed drift=0
 cpu1: smt 0, core 1, package 0
 cpu2 at mainbus0: apid 1 (application processor)
-cpu2: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1022.91 MHz, 06-4e-03
+cpu2: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 998.35 MHz, 06-4e-03
 cpu2:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu2: 256KB 64b/line 8-way L2 cache
+cpu2: TSC skew=-29658857 observed drift=0
 cpu2: smt 1, core 0, package 0
 cpu3 at mainbus0: apid 3 (application processor)
-cpu3: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1047.66 MHz, 06-4e-03
+cpu3: Intel(R) Core(TM) i3-6100U CPU @ 2.30GHz, 1000.47 MHz, 06-4e-03
 cpu3:
FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,PCLMUL,DTES64,MWAIT,DS-CPL,VMX,EST,TM2,SSSE3,SDBG,FMA3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,DEADLINE,AES,XSAVE,AVX,F16C,RDRAND,NXE,PAGE1GB,RDTSCP,LONG,LAHF,ABM,3DNOWP,PERF,ITSC,FSGSBASE,TSC_ADJUST,SGX,BMI1,HLE,AVX2,SMEP,BMI2,ERMS,INVPCID,RTM,MPX,RDSEED,ADX,SMAP,CLFLUSHOPT,PT,MD_CLEAR,TSXFA,IBRS,IBPB,STIBP,L1DF,SSBD,SENSOR,ARAT,XSAVEOPT,XSAVEC,XGETBV1,XSAVES,MELTDOWN
 cpu3: 256KB 64b/line 8-way L2 cache
+cpu3: TSC skew=-29658865 observed drift=0
 cpu3: smt 1, core 1, package 0
 ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 120 pins
 acpimcfg0 at acpi0
@@ -84,7 +88,7 @@
 acpivideo0 at acpi0: GFX0
 acpivout0 at acpivideo0: DD1F
 cpu0: using VERW MDS workaround (except on vmm entry)
-cpu0: Enhanced SpeedStep 1333 MHz: speeds: 2301, 2300, 2200, 2000, 1900,
1800, 1600, 1500, 1300, 1200, 1100, 900, 800, 700, 500, 400 MHz
+cpu0: Enhanced SpeedStep 1315 MHz: speeds: 2301, 2300, 2200, 2000, 1900,
1800, 1600, 1500, 1300, 1200, 1100, 900, 800, 700, 500, 400 MHz
 pci0 at mainbus0 bus 0
 pchb0 at pci0 dev 0 function 0 "Intel Core 6G Host" rev 0x08
 inteldrm0 at pci0 dev 2 function 0 "Intel HD Graphics 520" rev 0x07

Thanks for your attention

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