lshw also shows incorrect information about the AMD Phenom II cache:
Phenom II caches:
L1 64k data, 64k instruction
L2 512K per core
L3 6M shared
Output of lshw:
--snip--
*-cpu:0
description: CPU
product: AMD Phenom(tm) II X2 550 Processor
vendor: Advanced Micro Devices [AMD]
physical id: 4
bus info: c...@0
version: 15.4.2
slot: Socket M2
size: 800MHz
capacity: 3200MHz
width: 64 bits
clock: 200MHz
capabilities: boot fpu fpu_exception wp vme de pse tsc msr pae mce
cx8 apic mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx
mmxext fxsr_opt pdpe1gb rdtscp x86-64 3dnowext 3dnow constant_tsc nonstop_tsc
extd_apicid pni monitor cx16 popcnt lahf_lm cmp_legacy svm extapic cr8_legacy
abm sse4a misalignsse 3dnowprefetch osvw ibs skinit wdt cpufreq
*-cache:0
description: L1 cache
physical id: a
slot: Internal Cache
size: 128KiB
capacity: 128KiB
capabilities: synchronous internal write-back
*-cache:1
description: L3 cache
physical id: c
slot: External Cache
size: 512KiB
capacity: 512KiB
capabilities: synchronous internal write-back
*-cache
description: L1 cache
physical id: b
slot: Internal Cache
size: 128KiB
capacity: 128KiB
capabilities: synchronous internal write-back
--snip--
Information in the /sys is correct:
:~$ cd /sys/devices/system/cpu/cpu0/cache/; cat */type */size */level
Data
Instruction
Unified
Unified
64K
64K
512K
6144K
1
1
2
3
--
memtest86+ and lshw show wrong data about AMD Phenom II CPU
https://bugs.launchpad.net/bugs/378087
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