* Bug#763320: linux-image-3.16-2-amd64: intel_idle enabled for Intel Atom S1260, causes high CPU temperature when idle
2014-09-30 5:56 ` Jan Kiszka
@ 2014-10-01 12:42 ` Christophe Thil
2014-10-01 13:01 ` Jan Kiszka
0 siblings, 1 reply; 5+ messages in thread
From: Christophe Thil @ 2014-10-01 12:42 UTC (permalink / raw)
To: Jan Kiszka; +Cc: Ben Hutchings, Len Brown, 763320, linux-pm
[-- Attachment #1.1: Type: text/plain, Size: 115 bytes --]
I have attached the output of /proc/cpuinfo (kernel 3.16-2-amd64) and cpuid (20140123).
Regards,
Christophe
[-- Attachment #1.2: cpuid.txt --]
[-- Type: text/plain, Size: 54616 bytes --]
CPU 0:
vendor_id = "GenuineIntel"
version information (1/eax):
processor type = primary processor (0)
family = Intel Pentium Pro/II/III/Celeron/Core/Core 2/Atom, AMD Athlon/Duron, Cyrix M2, VIA C3 (6)
model = 0x6 (6)
stepping id = 0x9 (9)
extended family = 0x0 (0)
extended model = 0x3 (3)
(simple synth) = Intel Atom D2000/N2000 (Cedarview), 32nm
miscellaneous (1/ebx):
process local APIC physical ID = 0x0 (0)
cpu count = 0x4 (4)
CLFLUSH line size = 0x8 (8)
brand index = 0x0 (0)
brand id = 0x00 (0): unknown
feature information (1/edx):
x87 FPU on chip = true
virtual-8086 mode enhancement = true
debugging extensions = true
page size extensions = true
time stamp counter = true
RDMSR and WRMSR support = true
physical address extensions = true
machine check exception = true
CMPXCHG8B inst. = true
APIC on chip = true
SYSENTER and SYSEXIT = true
memory type range registers = true
PTE global bit = true
machine check architecture = true
conditional move/compare instruction = true
page attribute table = true
page size extension = true
processor serial number = false
CLFLUSH instruction = true
debug store = true
thermal monitor and clock ctrl = true
MMX Technology = true
FXSAVE/FXRSTOR = true
SSE extensions = true
SSE2 extensions = true
self snoop = true
hyper-threading / multi-core supported = true
therm. monitor = true
IA64 = false
pending break event = true
feature information (1/ecx):
PNI/SSE3: Prescott New Instructions = true
PCLMULDQ instruction = false
64-bit debug store = true
MONITOR/MWAIT = true
CPL-qualified debug store = true
VMX: virtual machine extensions = true
SMX: safer mode extensions = false
Enhanced Intel SpeedStep Technology = true
thermal monitor 2 = true
SSSE3 extensions = true
context ID: adaptive or shared L1 data = false
FMA instruction = false
CMPXCHG16B instruction = true
xTPR disable = true
perfmon and debug = true
process context identifiers = false
direct cache access = false
SSE4.1 extensions = false
SSE4.2 extensions = false
extended xAPIC support = false
MOVBE instruction = true
POPCNT instruction = false
time stamp counter deadline = false
AES instruction = false
XSAVE/XSTOR states = false
OS-enabled XSAVE/XSTOR = false
AVX: advanced vector extensions = false
F16C half-precision convert instruction = false
RDRAND instruction = false
hypervisor guest status = false
cache and TLB information (2):
0x59: data TLB: 4K pages, 16 entries
0xba: data TLB: 4K, 4-way, 64 entries
0x4f: instruction TLB: 4K pages, 32 entries
0xc0: data TLB: 4K & 4M pages, 4-way, 8 entries
0x80: L2 cache: 512K, 8-way, 64 byte lines
0x30: L1 cache: 32K, 8-way, 64 byte lines
0x0e: L1 data cache: 24K, 6-way, 64 byte lines
processor serial number: 0003-0669-0000-0000-0000-0000
deterministic cache parameters (4):
--- cache 0 ---
cache type = data cache (1)
cache level = 0x1 (1)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x5 (5)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 63
--- cache 1 ---
cache type = instruction cache (2)
cache level = 0x1 (1)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x7 (7)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 63
--- cache 2 ---
cache type = unified cache (3)
cache level = 0x2 (2)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x7 (7)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 1023
MONITOR/MWAIT (5):
smallest monitor-line size (bytes) = 0x40 (64)
largest monitor-line size (bytes) = 0x40 (64)
enum of Monitor-MWAIT exts supported = true
supports intrs as break-event for MWAIT = true
number of C0 sub C-states using MWAIT = 0x0 (0)
number of C1 sub C-states using MWAIT = 0x2 (2)
number of C2 sub C-states using MWAIT = 0x2 (2)
number of C3 sub C-states using MWAIT = 0x0 (0)
number of C4 sub C-states using MWAIT = 0x2 (2)
number of C5 sub C-states using MWAIT = 0x0 (0)
number of C6 sub C-states using MWAIT = 0x3 (3)
number of C7 sub C-states using MWAIT = 0x0 (0)
Thermal and Power Management Features (6):
digital thermometer = true
Intel Turbo Boost Technology = false
ARAT always running APIC timer = true
PLN power limit notification = false
ECMD extended clock modulation duty = false
PTM package thermal management = false
digital thermometer thresholds = 0x2 (2)
ACNT/MCNT supported performance measure = true
ACNT2 available = false
performance-energy bias capability = false
extended feature flags (7):
FSGSBASE instructions = false
IA32_TSC_ADJUST MSR supported = false
BMI instruction = false
HLE hardware lock elision = false
AVX2: advanced vector extensions 2 = false
SMEP supervisor mode exec protection = false
BMI2 instructions = false
enhanced REP MOVSB/STOSB = false
INVPCID instruction = false
RTM: restricted transactional memory = false
QM: quality of service monitoring = false
deprecated FPU CS/DS = false
intel memory protection extensions = false
AVX512F: AVX-512 foundation instructions = false
RDSEED instruction = false
ADX instructions = false
SMAP: supervisor mode access prevention = false
Intel processor trace = false
AVX512PF: prefetch instructions = false
AVX512ER: exponent & reciprocal instrs = false
AVX512CD: conflict detection instrs = false
SHA instructions = false
PREFETCHWT1 = false
Direct Cache Access Parameters (9):
PLATFORM_DCA_CAP MSR bits = 0
Architecture Performance Monitoring Features (0xa/eax):
version ID = 0x3 (3)
number of counters per logical processor = 0x2 (2)
bit width of counter = 0x28 (40)
length of EBX bit vector = 0x7 (7)
Architecture Performance Monitoring Features (0xa/ebx):
core cycle event not available = false
instruction retired event not available = false
reference cycles event not available = false
last-level cache ref event not available = false
last-level cache miss event not avail = false
branch inst retired event not available = false
branch mispred retired event not avail = false
Architecture Performance Monitoring Features (0xa/edx):
number of fixed counters = 0x3 (3)
bit width of fixed counters = 0x28 (40)
extended feature flags (0x80000001/edx):
SYSCALL and SYSRET instructions = true
execution disable = true
1-GB large page support = false
RDTSCP = false
64-bit extensions technology available = true
Intel feature flags (0x80000001/ecx):
LAHF/SAHF supported in 64-bit mode = true
LZCNT advanced bit manipulation = false
3DNow! PREFETCH/PREFETCHW instructions = false
brand = " Intel(R) Atom(TM) CPU S1260 @ 2.00GHz"
L1 TLB/cache information: 2M/4M pages & L1 TLB (0x80000005/eax):
instruction # entries = 0x0 (0)
instruction associativity = 0x0 (0)
data # entries = 0x0 (0)
data associativity = 0x0 (0)
L1 TLB/cache information: 4K pages & L1 TLB (0x80000005/ebx):
instruction # entries = 0x0 (0)
instruction associativity = 0x0 (0)
data # entries = 0x0 (0)
data associativity = 0x0 (0)
L1 data cache information (0x80000005/ecx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = 0x0 (0)
size (Kb) = 0x0 (0)
L1 instruction cache information (0x80000005/edx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = 0x0 (0)
size (Kb) = 0x0 (0)
L2 TLB/cache information: 2M/4M pages & L2 TLB (0x80000006/eax):
instruction # entries = 0x0 (0)
instruction associativity = L2 off (0)
data # entries = 0x0 (0)
data associativity = L2 off (0)
L2 TLB/cache information: 4K pages & L2 TLB (0x80000006/ebx):
instruction # entries = 0x0 (0)
instruction associativity = L2 off (0)
data # entries = 0x0 (0)
data associativity = L2 off (0)
L2 unified cache information (0x80000006/ecx):
line size (bytes) = 0x40 (64)
lines per tag = 0x0 (0)
associativity = 8-way (6)
size (Kb) = 0x200 (512)
L3 cache information (0x80000006/edx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = L2 off (0)
size (in 512Kb units) = 0x0 (0)
Advanced Power Management Features (0x80000007/edx):
temperature sensing diode = false
frequency ID (FID) control = false
voltage ID (VID) control = false
thermal trip (TTP) = false
thermal monitor (TM) = false
software thermal control (STC) = false
100 MHz multiplier control = false
hardware P-State control = false
TscInvariant = true
Physical Address and Linear Address Size (0x80000008/eax):
maximum physical address bits = 0x24 (36)
maximum linear (virtual) address bits = 0x30 (48)
maximum guest physical address bits = 0x0 (0)
Logical CPU cores (0x80000008/ecx):
number of CPU cores - 1 = 0x0 (0)
ApicIdCoreIdSize = 0x0 (0)
(multi-processing synth): multi-core (c=2), hyper-threaded (t=2)
(multi-processing method): Intel leaf 1/4
(APIC widths synth): CORE_width=1 SMT_width=1
(APIC synth): PKG_ID=0 CORE_ID=0 SMT_ID=0
(synth) = Intel Atom D2000/N2000 (Cedarview), 32nm
CPU 1:
vendor_id = "GenuineIntel"
version information (1/eax):
processor type = primary processor (0)
family = Intel Pentium Pro/II/III/Celeron/Core/Core 2/Atom, AMD Athlon/Duron, Cyrix M2, VIA C3 (6)
model = 0x6 (6)
stepping id = 0x9 (9)
extended family = 0x0 (0)
extended model = 0x3 (3)
(simple synth) = Intel Atom D2000/N2000 (Cedarview), 32nm
miscellaneous (1/ebx):
process local APIC physical ID = 0x1 (1)
cpu count = 0x4 (4)
CLFLUSH line size = 0x8 (8)
brand index = 0x0 (0)
brand id = 0x00 (0): unknown
feature information (1/edx):
x87 FPU on chip = true
virtual-8086 mode enhancement = true
debugging extensions = true
page size extensions = true
time stamp counter = true
RDMSR and WRMSR support = true
physical address extensions = true
machine check exception = true
CMPXCHG8B inst. = true
APIC on chip = true
SYSENTER and SYSEXIT = true
memory type range registers = true
PTE global bit = true
machine check architecture = true
conditional move/compare instruction = true
page attribute table = true
page size extension = true
processor serial number = false
CLFLUSH instruction = true
debug store = true
thermal monitor and clock ctrl = true
MMX Technology = true
FXSAVE/FXRSTOR = true
SSE extensions = true
SSE2 extensions = true
self snoop = true
hyper-threading / multi-core supported = true
therm. monitor = true
IA64 = false
pending break event = true
feature information (1/ecx):
PNI/SSE3: Prescott New Instructions = true
PCLMULDQ instruction = false
64-bit debug store = true
MONITOR/MWAIT = true
CPL-qualified debug store = true
VMX: virtual machine extensions = true
SMX: safer mode extensions = false
Enhanced Intel SpeedStep Technology = true
thermal monitor 2 = true
SSSE3 extensions = true
context ID: adaptive or shared L1 data = false
FMA instruction = false
CMPXCHG16B instruction = true
xTPR disable = true
perfmon and debug = true
process context identifiers = false
direct cache access = false
SSE4.1 extensions = false
SSE4.2 extensions = false
extended xAPIC support = false
MOVBE instruction = true
POPCNT instruction = false
time stamp counter deadline = false
AES instruction = false
XSAVE/XSTOR states = false
OS-enabled XSAVE/XSTOR = false
AVX: advanced vector extensions = false
F16C half-precision convert instruction = false
RDRAND instruction = false
hypervisor guest status = false
cache and TLB information (2):
0x59: data TLB: 4K pages, 16 entries
0xba: data TLB: 4K, 4-way, 64 entries
0x4f: instruction TLB: 4K pages, 32 entries
0xc0: data TLB: 4K & 4M pages, 4-way, 8 entries
0x80: L2 cache: 512K, 8-way, 64 byte lines
0x30: L1 cache: 32K, 8-way, 64 byte lines
0x0e: L1 data cache: 24K, 6-way, 64 byte lines
processor serial number: 0003-0669-0000-0000-0000-0000
deterministic cache parameters (4):
--- cache 0 ---
cache type = data cache (1)
cache level = 0x1 (1)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x5 (5)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 63
--- cache 1 ---
cache type = instruction cache (2)
cache level = 0x1 (1)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x7 (7)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 63
--- cache 2 ---
cache type = unified cache (3)
cache level = 0x2 (2)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x7 (7)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 1023
MONITOR/MWAIT (5):
smallest monitor-line size (bytes) = 0x40 (64)
largest monitor-line size (bytes) = 0x40 (64)
enum of Monitor-MWAIT exts supported = true
supports intrs as break-event for MWAIT = true
number of C0 sub C-states using MWAIT = 0x0 (0)
number of C1 sub C-states using MWAIT = 0x2 (2)
number of C2 sub C-states using MWAIT = 0x2 (2)
number of C3 sub C-states using MWAIT = 0x0 (0)
number of C4 sub C-states using MWAIT = 0x2 (2)
number of C5 sub C-states using MWAIT = 0x0 (0)
number of C6 sub C-states using MWAIT = 0x3 (3)
number of C7 sub C-states using MWAIT = 0x0 (0)
Thermal and Power Management Features (6):
digital thermometer = true
Intel Turbo Boost Technology = false
ARAT always running APIC timer = true
PLN power limit notification = false
ECMD extended clock modulation duty = false
PTM package thermal management = false
digital thermometer thresholds = 0x2 (2)
ACNT/MCNT supported performance measure = true
ACNT2 available = false
performance-energy bias capability = false
extended feature flags (7):
FSGSBASE instructions = false
IA32_TSC_ADJUST MSR supported = false
BMI instruction = false
HLE hardware lock elision = false
AVX2: advanced vector extensions 2 = false
SMEP supervisor mode exec protection = false
BMI2 instructions = false
enhanced REP MOVSB/STOSB = false
INVPCID instruction = false
RTM: restricted transactional memory = false
QM: quality of service monitoring = false
deprecated FPU CS/DS = false
intel memory protection extensions = false
AVX512F: AVX-512 foundation instructions = false
RDSEED instruction = false
ADX instructions = false
SMAP: supervisor mode access prevention = false
Intel processor trace = false
AVX512PF: prefetch instructions = false
AVX512ER: exponent & reciprocal instrs = false
AVX512CD: conflict detection instrs = false
SHA instructions = false
PREFETCHWT1 = false
Direct Cache Access Parameters (9):
PLATFORM_DCA_CAP MSR bits = 0
Architecture Performance Monitoring Features (0xa/eax):
version ID = 0x3 (3)
number of counters per logical processor = 0x2 (2)
bit width of counter = 0x28 (40)
length of EBX bit vector = 0x7 (7)
Architecture Performance Monitoring Features (0xa/ebx):
core cycle event not available = false
instruction retired event not available = false
reference cycles event not available = false
last-level cache ref event not available = false
last-level cache miss event not avail = false
branch inst retired event not available = false
branch mispred retired event not avail = false
Architecture Performance Monitoring Features (0xa/edx):
number of fixed counters = 0x3 (3)
bit width of fixed counters = 0x28 (40)
extended feature flags (0x80000001/edx):
SYSCALL and SYSRET instructions = true
execution disable = true
1-GB large page support = false
RDTSCP = false
64-bit extensions technology available = true
Intel feature flags (0x80000001/ecx):
LAHF/SAHF supported in 64-bit mode = true
LZCNT advanced bit manipulation = false
3DNow! PREFETCH/PREFETCHW instructions = false
brand = " Intel(R) Atom(TM) CPU S1260 @ 2.00GHz"
L1 TLB/cache information: 2M/4M pages & L1 TLB (0x80000005/eax):
instruction # entries = 0x0 (0)
instruction associativity = 0x0 (0)
data # entries = 0x0 (0)
data associativity = 0x0 (0)
L1 TLB/cache information: 4K pages & L1 TLB (0x80000005/ebx):
instruction # entries = 0x0 (0)
instruction associativity = 0x0 (0)
data # entries = 0x0 (0)
data associativity = 0x0 (0)
L1 data cache information (0x80000005/ecx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = 0x0 (0)
size (Kb) = 0x0 (0)
L1 instruction cache information (0x80000005/edx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = 0x0 (0)
size (Kb) = 0x0 (0)
L2 TLB/cache information: 2M/4M pages & L2 TLB (0x80000006/eax):
instruction # entries = 0x0 (0)
instruction associativity = L2 off (0)
data # entries = 0x0 (0)
data associativity = L2 off (0)
L2 TLB/cache information: 4K pages & L2 TLB (0x80000006/ebx):
instruction # entries = 0x0 (0)
instruction associativity = L2 off (0)
data # entries = 0x0 (0)
data associativity = L2 off (0)
L2 unified cache information (0x80000006/ecx):
line size (bytes) = 0x40 (64)
lines per tag = 0x0 (0)
associativity = 8-way (6)
size (Kb) = 0x200 (512)
L3 cache information (0x80000006/edx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = L2 off (0)
size (in 512Kb units) = 0x0 (0)
Advanced Power Management Features (0x80000007/edx):
temperature sensing diode = false
frequency ID (FID) control = false
voltage ID (VID) control = false
thermal trip (TTP) = false
thermal monitor (TM) = false
software thermal control (STC) = false
100 MHz multiplier control = false
hardware P-State control = false
TscInvariant = true
Physical Address and Linear Address Size (0x80000008/eax):
maximum physical address bits = 0x24 (36)
maximum linear (virtual) address bits = 0x30 (48)
maximum guest physical address bits = 0x0 (0)
Logical CPU cores (0x80000008/ecx):
number of CPU cores - 1 = 0x0 (0)
ApicIdCoreIdSize = 0x0 (0)
(multi-processing synth): multi-core (c=2), hyper-threaded (t=2)
(multi-processing method): Intel leaf 1/4
(APIC widths synth): CORE_width=1 SMT_width=1
(APIC synth): PKG_ID=0 CORE_ID=0 SMT_ID=1
(synth) = Intel Atom D2000/N2000 (Cedarview), 32nm
CPU 2:
vendor_id = "GenuineIntel"
version information (1/eax):
processor type = primary processor (0)
family = Intel Pentium Pro/II/III/Celeron/Core/Core 2/Atom, AMD Athlon/Duron, Cyrix M2, VIA C3 (6)
model = 0x6 (6)
stepping id = 0x9 (9)
extended family = 0x0 (0)
extended model = 0x3 (3)
(simple synth) = Intel Atom D2000/N2000 (Cedarview), 32nm
miscellaneous (1/ebx):
process local APIC physical ID = 0x2 (2)
cpu count = 0x4 (4)
CLFLUSH line size = 0x8 (8)
brand index = 0x0 (0)
brand id = 0x00 (0): unknown
feature information (1/edx):
x87 FPU on chip = true
virtual-8086 mode enhancement = true
debugging extensions = true
page size extensions = true
time stamp counter = true
RDMSR and WRMSR support = true
physical address extensions = true
machine check exception = true
CMPXCHG8B inst. = true
APIC on chip = true
SYSENTER and SYSEXIT = true
memory type range registers = true
PTE global bit = true
machine check architecture = true
conditional move/compare instruction = true
page attribute table = true
page size extension = true
processor serial number = false
CLFLUSH instruction = true
debug store = true
thermal monitor and clock ctrl = true
MMX Technology = true
FXSAVE/FXRSTOR = true
SSE extensions = true
SSE2 extensions = true
self snoop = true
hyper-threading / multi-core supported = true
therm. monitor = true
IA64 = false
pending break event = true
feature information (1/ecx):
PNI/SSE3: Prescott New Instructions = true
PCLMULDQ instruction = false
64-bit debug store = true
MONITOR/MWAIT = true
CPL-qualified debug store = true
VMX: virtual machine extensions = true
SMX: safer mode extensions = false
Enhanced Intel SpeedStep Technology = true
thermal monitor 2 = true
SSSE3 extensions = true
context ID: adaptive or shared L1 data = false
FMA instruction = false
CMPXCHG16B instruction = true
xTPR disable = true
perfmon and debug = true
process context identifiers = false
direct cache access = false
SSE4.1 extensions = false
SSE4.2 extensions = false
extended xAPIC support = false
MOVBE instruction = true
POPCNT instruction = false
time stamp counter deadline = false
AES instruction = false
XSAVE/XSTOR states = false
OS-enabled XSAVE/XSTOR = false
AVX: advanced vector extensions = false
F16C half-precision convert instruction = false
RDRAND instruction = false
hypervisor guest status = false
cache and TLB information (2):
0x59: data TLB: 4K pages, 16 entries
0xba: data TLB: 4K, 4-way, 64 entries
0x4f: instruction TLB: 4K pages, 32 entries
0xc0: data TLB: 4K & 4M pages, 4-way, 8 entries
0x80: L2 cache: 512K, 8-way, 64 byte lines
0x30: L1 cache: 32K, 8-way, 64 byte lines
0x0e: L1 data cache: 24K, 6-way, 64 byte lines
processor serial number: 0003-0669-0000-0000-0000-0000
deterministic cache parameters (4):
--- cache 0 ---
cache type = data cache (1)
cache level = 0x1 (1)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x5 (5)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 63
--- cache 1 ---
cache type = instruction cache (2)
cache level = 0x1 (1)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x7 (7)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 63
--- cache 2 ---
cache type = unified cache (3)
cache level = 0x2 (2)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x7 (7)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 1023
MONITOR/MWAIT (5):
smallest monitor-line size (bytes) = 0x40 (64)
largest monitor-line size (bytes) = 0x40 (64)
enum of Monitor-MWAIT exts supported = true
supports intrs as break-event for MWAIT = true
number of C0 sub C-states using MWAIT = 0x0 (0)
number of C1 sub C-states using MWAIT = 0x2 (2)
number of C2 sub C-states using MWAIT = 0x2 (2)
number of C3 sub C-states using MWAIT = 0x0 (0)
number of C4 sub C-states using MWAIT = 0x2 (2)
number of C5 sub C-states using MWAIT = 0x0 (0)
number of C6 sub C-states using MWAIT = 0x3 (3)
number of C7 sub C-states using MWAIT = 0x0 (0)
Thermal and Power Management Features (6):
digital thermometer = true
Intel Turbo Boost Technology = false
ARAT always running APIC timer = true
PLN power limit notification = false
ECMD extended clock modulation duty = false
PTM package thermal management = false
digital thermometer thresholds = 0x2 (2)
ACNT/MCNT supported performance measure = true
ACNT2 available = false
performance-energy bias capability = false
extended feature flags (7):
FSGSBASE instructions = false
IA32_TSC_ADJUST MSR supported = false
BMI instruction = false
HLE hardware lock elision = false
AVX2: advanced vector extensions 2 = false
SMEP supervisor mode exec protection = false
BMI2 instructions = false
enhanced REP MOVSB/STOSB = false
INVPCID instruction = false
RTM: restricted transactional memory = false
QM: quality of service monitoring = false
deprecated FPU CS/DS = false
intel memory protection extensions = false
AVX512F: AVX-512 foundation instructions = false
RDSEED instruction = false
ADX instructions = false
SMAP: supervisor mode access prevention = false
Intel processor trace = false
AVX512PF: prefetch instructions = false
AVX512ER: exponent & reciprocal instrs = false
AVX512CD: conflict detection instrs = false
SHA instructions = false
PREFETCHWT1 = false
Direct Cache Access Parameters (9):
PLATFORM_DCA_CAP MSR bits = 0
Architecture Performance Monitoring Features (0xa/eax):
version ID = 0x3 (3)
number of counters per logical processor = 0x2 (2)
bit width of counter = 0x28 (40)
length of EBX bit vector = 0x7 (7)
Architecture Performance Monitoring Features (0xa/ebx):
core cycle event not available = false
instruction retired event not available = false
reference cycles event not available = false
last-level cache ref event not available = false
last-level cache miss event not avail = false
branch inst retired event not available = false
branch mispred retired event not avail = false
Architecture Performance Monitoring Features (0xa/edx):
number of fixed counters = 0x3 (3)
bit width of fixed counters = 0x28 (40)
extended feature flags (0x80000001/edx):
SYSCALL and SYSRET instructions = true
execution disable = true
1-GB large page support = false
RDTSCP = false
64-bit extensions technology available = true
Intel feature flags (0x80000001/ecx):
LAHF/SAHF supported in 64-bit mode = true
LZCNT advanced bit manipulation = false
3DNow! PREFETCH/PREFETCHW instructions = false
brand = " Intel(R) Atom(TM) CPU S1260 @ 2.00GHz"
L1 TLB/cache information: 2M/4M pages & L1 TLB (0x80000005/eax):
instruction # entries = 0x0 (0)
instruction associativity = 0x0 (0)
data # entries = 0x0 (0)
data associativity = 0x0 (0)
L1 TLB/cache information: 4K pages & L1 TLB (0x80000005/ebx):
instruction # entries = 0x0 (0)
instruction associativity = 0x0 (0)
data # entries = 0x0 (0)
data associativity = 0x0 (0)
L1 data cache information (0x80000005/ecx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = 0x0 (0)
size (Kb) = 0x0 (0)
L1 instruction cache information (0x80000005/edx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = 0x0 (0)
size (Kb) = 0x0 (0)
L2 TLB/cache information: 2M/4M pages & L2 TLB (0x80000006/eax):
instruction # entries = 0x0 (0)
instruction associativity = L2 off (0)
data # entries = 0x0 (0)
data associativity = L2 off (0)
L2 TLB/cache information: 4K pages & L2 TLB (0x80000006/ebx):
instruction # entries = 0x0 (0)
instruction associativity = L2 off (0)
data # entries = 0x0 (0)
data associativity = L2 off (0)
L2 unified cache information (0x80000006/ecx):
line size (bytes) = 0x40 (64)
lines per tag = 0x0 (0)
associativity = 8-way (6)
size (Kb) = 0x200 (512)
L3 cache information (0x80000006/edx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = L2 off (0)
size (in 512Kb units) = 0x0 (0)
Advanced Power Management Features (0x80000007/edx):
temperature sensing diode = false
frequency ID (FID) control = false
voltage ID (VID) control = false
thermal trip (TTP) = false
thermal monitor (TM) = false
software thermal control (STC) = false
100 MHz multiplier control = false
hardware P-State control = false
TscInvariant = true
Physical Address and Linear Address Size (0x80000008/eax):
maximum physical address bits = 0x24 (36)
maximum linear (virtual) address bits = 0x30 (48)
maximum guest physical address bits = 0x0 (0)
Logical CPU cores (0x80000008/ecx):
number of CPU cores - 1 = 0x0 (0)
ApicIdCoreIdSize = 0x0 (0)
(multi-processing synth): multi-core (c=2), hyper-threaded (t=2)
(multi-processing method): Intel leaf 1/4
(APIC widths synth): CORE_width=1 SMT_width=1
(APIC synth): PKG_ID=0 CORE_ID=1 SMT_ID=0
(synth) = Intel Atom D2000/N2000 (Cedarview), 32nm
CPU 3:
vendor_id = "GenuineIntel"
version information (1/eax):
processor type = primary processor (0)
family = Intel Pentium Pro/II/III/Celeron/Core/Core 2/Atom, AMD Athlon/Duron, Cyrix M2, VIA C3 (6)
model = 0x6 (6)
stepping id = 0x9 (9)
extended family = 0x0 (0)
extended model = 0x3 (3)
(simple synth) = Intel Atom D2000/N2000 (Cedarview), 32nm
miscellaneous (1/ebx):
process local APIC physical ID = 0x3 (3)
cpu count = 0x4 (4)
CLFLUSH line size = 0x8 (8)
brand index = 0x0 (0)
brand id = 0x00 (0): unknown
feature information (1/edx):
x87 FPU on chip = true
virtual-8086 mode enhancement = true
debugging extensions = true
page size extensions = true
time stamp counter = true
RDMSR and WRMSR support = true
physical address extensions = true
machine check exception = true
CMPXCHG8B inst. = true
APIC on chip = true
SYSENTER and SYSEXIT = true
memory type range registers = true
PTE global bit = true
machine check architecture = true
conditional move/compare instruction = true
page attribute table = true
page size extension = true
processor serial number = false
CLFLUSH instruction = true
debug store = true
thermal monitor and clock ctrl = true
MMX Technology = true
FXSAVE/FXRSTOR = true
SSE extensions = true
SSE2 extensions = true
self snoop = true
hyper-threading / multi-core supported = true
therm. monitor = true
IA64 = false
pending break event = true
feature information (1/ecx):
PNI/SSE3: Prescott New Instructions = true
PCLMULDQ instruction = false
64-bit debug store = true
MONITOR/MWAIT = true
CPL-qualified debug store = true
VMX: virtual machine extensions = true
SMX: safer mode extensions = false
Enhanced Intel SpeedStep Technology = true
thermal monitor 2 = true
SSSE3 extensions = true
context ID: adaptive or shared L1 data = false
FMA instruction = false
CMPXCHG16B instruction = true
xTPR disable = true
perfmon and debug = true
process context identifiers = false
direct cache access = false
SSE4.1 extensions = false
SSE4.2 extensions = false
extended xAPIC support = false
MOVBE instruction = true
POPCNT instruction = false
time stamp counter deadline = false
AES instruction = false
XSAVE/XSTOR states = false
OS-enabled XSAVE/XSTOR = false
AVX: advanced vector extensions = false
F16C half-precision convert instruction = false
RDRAND instruction = false
hypervisor guest status = false
cache and TLB information (2):
0x59: data TLB: 4K pages, 16 entries
0xba: data TLB: 4K, 4-way, 64 entries
0x4f: instruction TLB: 4K pages, 32 entries
0xc0: data TLB: 4K & 4M pages, 4-way, 8 entries
0x80: L2 cache: 512K, 8-way, 64 byte lines
0x30: L1 cache: 32K, 8-way, 64 byte lines
0x0e: L1 data cache: 24K, 6-way, 64 byte lines
processor serial number: 0003-0669-0000-0000-0000-0000
deterministic cache parameters (4):
--- cache 0 ---
cache type = data cache (1)
cache level = 0x1 (1)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x5 (5)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 63
--- cache 1 ---
cache type = instruction cache (2)
cache level = 0x1 (1)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x7 (7)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 63
--- cache 2 ---
cache type = unified cache (3)
cache level = 0x2 (2)
self-initializing cache level = true
fully associative cache = false
extra threads sharing this cache = 0x1 (1)
extra processor cores on this die = 0x1 (1)
system coherency line size = 0x3f (63)
physical line partitions = 0x0 (0)
ways of associativity = 0x7 (7)
WBINVD/INVD behavior on lower caches = true
inclusive to lower caches = false
complex cache indexing = false
number of sets - 1 (s) = 1023
MONITOR/MWAIT (5):
smallest monitor-line size (bytes) = 0x40 (64)
largest monitor-line size (bytes) = 0x40 (64)
enum of Monitor-MWAIT exts supported = true
supports intrs as break-event for MWAIT = true
number of C0 sub C-states using MWAIT = 0x0 (0)
number of C1 sub C-states using MWAIT = 0x2 (2)
number of C2 sub C-states using MWAIT = 0x2 (2)
number of C3 sub C-states using MWAIT = 0x0 (0)
number of C4 sub C-states using MWAIT = 0x2 (2)
number of C5 sub C-states using MWAIT = 0x0 (0)
number of C6 sub C-states using MWAIT = 0x3 (3)
number of C7 sub C-states using MWAIT = 0x0 (0)
Thermal and Power Management Features (6):
digital thermometer = true
Intel Turbo Boost Technology = false
ARAT always running APIC timer = true
PLN power limit notification = false
ECMD extended clock modulation duty = false
PTM package thermal management = false
digital thermometer thresholds = 0x2 (2)
ACNT/MCNT supported performance measure = true
ACNT2 available = false
performance-energy bias capability = false
extended feature flags (7):
FSGSBASE instructions = false
IA32_TSC_ADJUST MSR supported = false
BMI instruction = false
HLE hardware lock elision = false
AVX2: advanced vector extensions 2 = false
SMEP supervisor mode exec protection = false
BMI2 instructions = false
enhanced REP MOVSB/STOSB = false
INVPCID instruction = false
RTM: restricted transactional memory = false
QM: quality of service monitoring = false
deprecated FPU CS/DS = false
intel memory protection extensions = false
AVX512F: AVX-512 foundation instructions = false
RDSEED instruction = false
ADX instructions = false
SMAP: supervisor mode access prevention = false
Intel processor trace = false
AVX512PF: prefetch instructions = false
AVX512ER: exponent & reciprocal instrs = false
AVX512CD: conflict detection instrs = false
SHA instructions = false
PREFETCHWT1 = false
Direct Cache Access Parameters (9):
PLATFORM_DCA_CAP MSR bits = 0
Architecture Performance Monitoring Features (0xa/eax):
version ID = 0x3 (3)
number of counters per logical processor = 0x2 (2)
bit width of counter = 0x28 (40)
length of EBX bit vector = 0x7 (7)
Architecture Performance Monitoring Features (0xa/ebx):
core cycle event not available = false
instruction retired event not available = false
reference cycles event not available = false
last-level cache ref event not available = false
last-level cache miss event not avail = false
branch inst retired event not available = false
branch mispred retired event not avail = false
Architecture Performance Monitoring Features (0xa/edx):
number of fixed counters = 0x3 (3)
bit width of fixed counters = 0x28 (40)
extended feature flags (0x80000001/edx):
SYSCALL and SYSRET instructions = true
execution disable = true
1-GB large page support = false
RDTSCP = false
64-bit extensions technology available = true
Intel feature flags (0x80000001/ecx):
LAHF/SAHF supported in 64-bit mode = true
LZCNT advanced bit manipulation = false
3DNow! PREFETCH/PREFETCHW instructions = false
brand = " Intel(R) Atom(TM) CPU S1260 @ 2.00GHz"
L1 TLB/cache information: 2M/4M pages & L1 TLB (0x80000005/eax):
instruction # entries = 0x0 (0)
instruction associativity = 0x0 (0)
data # entries = 0x0 (0)
data associativity = 0x0 (0)
L1 TLB/cache information: 4K pages & L1 TLB (0x80000005/ebx):
instruction # entries = 0x0 (0)
instruction associativity = 0x0 (0)
data # entries = 0x0 (0)
data associativity = 0x0 (0)
L1 data cache information (0x80000005/ecx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = 0x0 (0)
size (Kb) = 0x0 (0)
L1 instruction cache information (0x80000005/edx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = 0x0 (0)
size (Kb) = 0x0 (0)
L2 TLB/cache information: 2M/4M pages & L2 TLB (0x80000006/eax):
instruction # entries = 0x0 (0)
instruction associativity = L2 off (0)
data # entries = 0x0 (0)
data associativity = L2 off (0)
L2 TLB/cache information: 4K pages & L2 TLB (0x80000006/ebx):
instruction # entries = 0x0 (0)
instruction associativity = L2 off (0)
data # entries = 0x0 (0)
data associativity = L2 off (0)
L2 unified cache information (0x80000006/ecx):
line size (bytes) = 0x40 (64)
lines per tag = 0x0 (0)
associativity = 8-way (6)
size (Kb) = 0x200 (512)
L3 cache information (0x80000006/edx):
line size (bytes) = 0x0 (0)
lines per tag = 0x0 (0)
associativity = L2 off (0)
size (in 512Kb units) = 0x0 (0)
Advanced Power Management Features (0x80000007/edx):
temperature sensing diode = false
frequency ID (FID) control = false
voltage ID (VID) control = false
thermal trip (TTP) = false
thermal monitor (TM) = false
software thermal control (STC) = false
100 MHz multiplier control = false
hardware P-State control = false
TscInvariant = true
Physical Address and Linear Address Size (0x80000008/eax):
maximum physical address bits = 0x24 (36)
maximum linear (virtual) address bits = 0x30 (48)
maximum guest physical address bits = 0x0 (0)
Logical CPU cores (0x80000008/ecx):
number of CPU cores - 1 = 0x0 (0)
ApicIdCoreIdSize = 0x0 (0)
(multi-processing synth): multi-core (c=2), hyper-threaded (t=2)
(multi-processing method): Intel leaf 1/4
(APIC widths synth): CORE_width=1 SMT_width=1
(APIC synth): PKG_ID=0 CORE_ID=1 SMT_ID=1
(synth) = Intel Atom D2000/N2000 (Cedarview), 32nm
[-- Attachment #1.3: cpuinfo.txt --]
[-- Type: text/plain, Size: 3264 bytes --]
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 54
model name : Intel(R) Atom(TM) CPU S1260 @ 2.00GHz
stepping : 9
microcode : 0x10d
cpu MHz : 600.000
cache size : 512 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 2
apicid : 0
initial apicid : 0
fpu : yes
fpu_exception : yes
cpuid level : 10
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 lm constant_tsc arch_perfmon pebs bts rep_good nopl nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm arat dtherm tpr_shadow vnmi flexpriority
bogomips : 3990.00
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 54
model name : Intel(R) Atom(TM) CPU S1260 @ 2.00GHz
stepping : 9
microcode : 0x10d
cpu MHz : 600.000
cache size : 512 KB
physical id : 0
siblings : 4
core id : 0
cpu cores : 2
apicid : 1
initial apicid : 1
fpu : yes
fpu_exception : yes
cpuid level : 10
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 lm constant_tsc arch_perfmon pebs bts rep_good nopl nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm arat dtherm tpr_shadow vnmi flexpriority
bogomips : 3990.00
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 2
vendor_id : GenuineIntel
cpu family : 6
model : 54
model name : Intel(R) Atom(TM) CPU S1260 @ 2.00GHz
stepping : 9
microcode : 0x10d
cpu MHz : 600.000
cache size : 512 KB
physical id : 0
siblings : 4
core id : 1
cpu cores : 2
apicid : 2
initial apicid : 2
fpu : yes
fpu_exception : yes
cpuid level : 10
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 lm constant_tsc arch_perfmon pebs bts rep_good nopl nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm arat dtherm tpr_shadow vnmi flexpriority
bogomips : 3990.00
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
processor : 3
vendor_id : GenuineIntel
cpu family : 6
model : 54
model name : Intel(R) Atom(TM) CPU S1260 @ 2.00GHz
stepping : 9
microcode : 0x10d
cpu MHz : 600.000
cache size : 512 KB
physical id : 0
siblings : 4
core id : 1
cpu cores : 2
apicid : 3
initial apicid : 3
fpu : yes
fpu_exception : yes
cpuid level : 10
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 lm constant_tsc arch_perfmon pebs bts rep_good nopl nonstop_tsc aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm arat dtherm tpr_shadow vnmi flexpriority
bogomips : 3990.00
clflush size : 64
cache_alignment : 64
address sizes : 36 bits physical, 48 bits virtual
power management:
[-- Attachment #1.4: Type: text/plain, Size: 1740 bytes --]
Am 30.09.2014 um 07:56 schrieb Jan Kiszka <jan.kiszka@siemens.com>:
> On 2014-09-30 02:13, Ben Hutchings wrote:
>> On Mon, 2014-09-29 at 11:57 +0200, Christophe Thil wrote:
>>> Package: src:linux
>>> Version: 3.16.3-2
>>> Severity: normal
>>>
>>> Dear Maintainer,
>>>
>>> with Kernel 3.16, intel_idle is enabled for the Intel Atom S1260 CPU
>>> (Centerton SoC). This leads to a +20°C temperature increase when the CPU
>>> is idle, exceeding the 100°C alarm threshold for passive cooled systems
>>> like the Supermicro X9SBAA-F.
>>>
>>> With 3.14, intel_idle was blacklisted for this CPU, which runs fine. If
>>> 3.16 is booted with intel_idle.max_cstate=0 processor.max_cstate=0,
>>> which disables the intel_idle, the CPU also stays cool.
>> [...]
>>
>> It looks like the relevant change is:
>>
>> commit acead1b0fac5b10d0ae3f1cc5f7820b9f9f924f5
>> Author: Jan Kiszka <jan.kiszka@siemens.com>
>> Date: Sat Jan 25 22:24:22 2014 +0100
>>
>> intel_idle: Add CPU model 54 (Atom N2000 series)
>>
>> Add CPU ID for Atom N2600/N2800 processors. Datasheets indicate support
>> for this, detailed information about potential quirks or limitations are
>> missing, though. So we just reuse the definition for the previous ATOM
>> series. [...]
>>
>> as those processors are part of the same Atom generation as Centerton.
>>
>> I think that more specific ID matching is required here.
>
> Hmm, I would check first if the Centerton series really has the same
> model ID (0x36) as the Cedarview. If they do, what other means of
> differentiation do we have?
>
> Jan
>
> --
> Siemens AG, Corporate Technology, CT RTC ITP SES-DE
> Corporate Competence Center Embedded Linux
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^ permalink raw reply [flat|nested] 5+ messages in thread