Public bug reported:
Description
Cometlake -U 6+2 is using a different CPU Model number: DEC 166, HEX: A6
We need the intel_pmc_core driver patch to support CML-U6+2
[ 13.053877] calling pmc_core_init+0x0/0x5f @ 1
[ 13.053878] initcall pmc_core_init+0x0/0x5f returned -19 after 0 usecs
root@p-cml02~ # cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 166
model name : Intel(R) Core(TM) i7-10710U CPU @ 1.10GHz
stepping : 0
microcode : 0xb0
cpu MHz : 2301.349
cache size : 12288 KB
physical id : 0
siblings : 12
core id : 0
cpu cores : 6
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 22
wp : yes
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_tsc 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
ssbd ibrs ibpb stibp ibrs_enhanced 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 xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp
hwp_notify hwp_act_window hwp_epp md_clear flush_l1d arch_capabilities
bugs : spectre_v1 spectre_v2 spec_store_bypass
bogomips : 3200.00
clflush size : 64
cache_alignment : 64
address sizes : 39 bits physical, 48 bits virtual
Target Kernel: 5.4
Target Release: 20.04
** Affects: intel
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Incomplete
** Tags: intel-kenrel-20.04
** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1843777
Title:
[CML-U62] Need enable intel_pmc_core driver patch for Comet lake- U
6+2
Status in intel:
New
Status in linux package in Ubuntu:
Incomplete
Bug description:
Description
Cometlake -U 6+2 is using a different CPU Model number: DEC 166, HEX: A6
We need the intel_pmc_core driver patch to support CML-U6+2
[ 13.053877] calling pmc_core_init+0x0/0x5f @ 1
[ 13.053878] initcall pmc_core_init+0x0/0x5f returned -19 after 0 usecs
root@p-cml02~ # cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 166
model name : Intel(R) Core(TM) i7-10710U CPU @ 1.10GHz
stepping : 0
microcode : 0xb0
cpu MHz : 2301.349
cache size : 12288 KB
physical id : 0
siblings : 12
core id : 0
cpu cores : 6
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 22
wp : yes
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_tsc 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
ssbd ibrs ibpb stibp ibrs_enhanced 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 xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp
hwp_notify hwp_act_window hwp_epp md_clear flush_l1d arch_capabilities
bugs : spectre_v1 spectre_v2 spec_store_bypass
bogomips : 3200.00
clflush size : 64
cache_alignment : 64
address sizes : 39 bits physical, 48 bits virtual
Target Kernel: 5.4
Target Release: 20.04
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