[FS#3479] padlock-aes and padlock-sha 2 modules could not be probed

[OpenWrt Bugs]

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FS#3479 - padlock-aes and padlock-sha 2 modules could not be probed
User who did this - UAb5eSMn (UAb5eSMn)

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If you try to load the modules on a CPU without padlock support (made by AMD or Intel), that message is expected. It's harmless.

On my VIA Nano CPU, the modules load just fine:

root at OpenWrt:~# uname -a
Linux OpenWrt 5.4.80 #0 SMP Fri Nov 27 09:59:14 2020 x86_64 GNU/Linux

root at OpenWrt:~# cat /proc/cpuinfo 
processor       : 0
vendor_id       : CentaurHauls
cpu family      : 6
model           : 15
model name      : VIA Nano processor L2200 at 1600MHz
stepping        : 2
cpu MHz         : 800.000
cache size      : 1024 KB
physical id     : 0
siblings        : 1
core id         : 0
cpu cores       : 1
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 clflush acpi mmx fxsr sse sse2 ss tm pbe syscall nx fxsr_opt rdtscp lm constant_tsc arch_perfmon rep_good nopl cpuid pni monitor est tm2 ssse3 cx16 xtpr rng rng_en ace ace_en ace2 phe phe_en lahf_lm pti
bugs            : cpu_meltdown spectre_v1 spectre_v2 spec_store_bypass l1tf mds swapgs itlb_multihit
bogomips        : 3199.35
clflush size    : 64
cache_alignment : 128
address sizes   : 36 bits physical, 48 bits virtual
power management:

root at OpenWrt:~# opkg install kmod-crypto-hw-padlock
Installing kmod-crypto-hw-padlock (5.4.80-1) to root...
Downloading https://downloads.openwrt.org/snapshots/targets/x86/64/kmods/5.4.80-1-903dfbc2845461e00bbefdb612660239/kmod-crypto-hw-padlock_5.4.80-1_x86_64.ipk
Installing kmod-crypto-hash (5.4.80-1) to root...
Downloading https://downloads.openwrt.org/snapshots/targets/x86/64/kmods/5.4.80-1-903dfbc2845461e00bbefdb612660239/kmod-crypto-hash_5.4.80-1_x86_64.ipk
Installing kmod-crypto-null (5.4.80-1) to root...
Downloading https://downloads.openwrt.org/snapshots/targets/x86/64/kmods/5.4.80-1-903dfbc2845461e00bbefdb612660239/kmod-crypto-null_5.4.80-1_x86_64.ipk
Installing kmod-crypto-aead (5.4.80-1) to root...
Downloading https://downloads.openwrt.org/snapshots/targets/x86/64/kmods/5.4.80-1-903dfbc2845461e00bbefdb612660239/kmod-crypto-aead_5.4.80-1_x86_64.ipk
Installing kmod-crypto-pcompress (5.4.80-1) to root...
Downloading https://downloads.openwrt.org/snapshots/targets/x86/64/kmods/5.4.80-1-903dfbc2845461e00bbefdb612660239/kmod-crypto-pcompress_5.4.80-1_x86_64.ipk
Installing kmod-crypto-manager (5.4.80-1) to root...
Downloading https://downloads.openwrt.org/snapshots/targets/x86/64/kmods/5.4.80-1-903dfbc2845461e00bbefdb612660239/kmod-crypto-manager_5.4.80-1_x86_64.ipk
Configuring kmod-crypto-hash.
Configuring kmod-crypto-null.
Configuring kmod-crypto-aead.
Configuring kmod-crypto-pcompress.
Configuring kmod-crypto-manager.
Configuring kmod-crypto-hw-padlock.

root at OpenWrt:~# dmesg
....
[  388.379314] kmodloader: loading kernel modules from /etc/modules.d/*
[  388.387299] padlock_aes: Using VIA PadLock ACE for AES algorithm.
[  388.393443] padlock_aes: VIA Nano stepping 2 detected: enabling workaround.
[  388.401264] padlock_sha: Using VIA PadLock ACE for SHA1/SHA256 algorithms.
[  388.409372] kmodloader: done loading kernel modules from /etc/modules.d/*
[  388.439357] kmodloader: loading kernel modules from /etc/modules.d/*
[  388.447131] kmodloader: done loading kernel modules from /etc/modules.d/*
[  388.474329] kmodloader: loading kernel modules from /etc/modules.d/*
[  388.482175] kmodloader: done loading kernel modules from /etc/modules.d/*
[  388.525735] kmodloader: loading kernel modules from /etc/modules.d/*
[  388.533609] kmodloader: done loading kernel modules from /etc/modules.d/*
[  388.564017] kmodloader: loading kernel modules from /etc/modules.d/*
[  388.571833] kmodloader: done loading kernel modules from /etc/modules.d/*

root at OpenWrt:~# lsmod | grep -e padlock
padlock_aes            16384  0 
padlock_sha            16384  0 


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More information can be found at the following URL:
https://bugs.openwrt.org/index.php?do=details&task_id=3479#comment9050

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