THREARIPPER system ..wrong core count

Postings relating to old VirtualBox pre-releases

THREARIPPER system ..wrong core count

Postby Knudch » 2. Oct 2017, 23:47

See BUG https://www.virtualbox.org/ticket/17131

On a 1920x (12 physical cores, 24 virtual) virtualbox says 6/12 cores

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Re: THREARIPPER system ..wrong core count

Postby socratis » 2. Oct 2017, 23:53

Can we see a VBox.log?
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Re: THREARIPPER system ..wrong core count

Postby Knudch » 3. Oct 2017, 08:21

Here is the vbox.log

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Re: THREARIPPER system ..wrong core count

Postby Knudch » 3. Oct 2017, 09:16

From ver 5.2.0 rc1
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Re: THREARIPPER system ..wrong core count

Postby mpack » 3. Oct 2017, 10:59

VirtualBox 5.1.28 wrote:00:00:00.431919 CPUM: Logical host processors: 24 present, 24 max, 24 online, online mask: 0000000000ffffff
00:00:00.432134 CPUM: Physical host cores: 6

VirtualBox 5.2.0_RC1 wrote:00:00:00.444809 CPUM: Logical host processors: 24 present, 24 max, 24 online, online mask: 0000000000ffffff
00:00:00.445044 CPUM: Physical host cores: 6

No disparity. Not a regression. Can you show a host CPU tool reporting anything other than 6 physical cores?
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Re: THREARIPPER system ..wrong core count

Postby Knudch » 3. Oct 2017, 12:43

lscpu output

If some physical core were disabled fx. in bios there will never be 24 logical cores
Code: Select all   Expand viewCollapse view
Architecture:        x86_64
CPU op-mode(s):      32-bit, 64-bit
Byte Order:          Little Endian
CPU(s):              24
On-line CPU(s) list: 0-23
Thread(s) per core:  2
Core(s) per socket:  12
Socket(s):           1
NUMA node(s):        1
Vendor ID:           AuthenticAMD
CPU family:          23
Model:               1
Model name:          AMD Ryzen Threadripper 1920X 12-Core Processor
Stepping:            1
CPU MHz:             2200.000
CPU max MHz:         3500.0000
CPU min MHz:         2200.0000
BogoMIPS:            6986.52
Virtualization:      AMD-V
L1d cache:           32K
L1i cache:           64K
L2 cache:            512K
L3 cache:            8192K
NUMA node0 CPU(s):   0-23
Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc rep_good nopl nonstop_tsc cpuid extd_apicid amd_dcm aperfmperf pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_l2 mwaitx hw_pstate vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf arat npt lbrv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic overflow_recov succor smca
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Re: THREARIPPER system ..wrong core count

Postby mpack » 3. Oct 2017, 13:24

Ah, I hadn't noticed it was Ryzen.
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