r285947: broken AESNI support? No aesni0 on Intel XEON E5-1650-v3 on Fujitsu Celsius M740

[John-Mark Gurney]

O. Hartmann wrote this message on Wed, Jul 29, 2015 at 10:20 +0200:
> On Wed, 29 Jul 2015 00:36:16 -0700
> John-Mark Gurney <jmg at funkthat.com> wrote:
> 
> > O. Hartmann wrote this message on Wed, Jul 29, 2015 at 07:39 +0200:
> > > Running a workstation with CURRENT (FreeBSD 11.0-CURRENT #5 r285947: Tue
> > > Jul 28 13:39:03 CEST 2015 amd64) equipted with an Intel XEON E5-1650 v3,
> > > see the extraction from recent "dmesg" below.
> > > 
> > > I double checked the UEFI settings (the box is a Fujitsu Celsius M740 with
> > > most recent firmware 1.8.0) and I didn't find anything indicating that
> > > AES-NI has been deactivated.
> > > 
> > > I checked the data sheet at Intel, the CPU should support AES-NI.
> > > 
> > > I also filed a PR: Bug 201960 
> > > 
> > > I'd like to know whether this is by intention, by bug (feature mask wrong?)
> > > or by a faulty firmware? Any hints?
> > 
> > Can you send me the output of cpuid-etallen?  It's pretty long, so
> > maybe off list would be better...  It's from a port of the same
> > name...
> 
> I'm sorry, since I work in a pretty restricted area, I can not offer
> webspace-similar download areas, but if it is not offending the list, i could
> provide a compressed output.
> 
> Find the output attached xz-compressed ... I cleared intentionally the serial
> number, just as a notice.

Yep, this confirms that AES-NI is off:
      AES instruction                         = false

Which isn't a surprise from our other data points.  Just wanted to
make sure...

> > Also, it looks like a microcode update could fix this issue, have you
> > tried to look at that?
> > 
> > https://albertveli.wordpress.com/2013/03/05/aes-ni-enabled/
> > 
> > Looks very similar to your issue, though it's a different microarch..
> > Your's is a Haswell that has the TSX bug in it, and it could be that
> > the bios is disabling too many feature bits...
> > 
> > Have you made sure that your machine has the latest BIOS?  A newer
> > BIOS could reenable the feature too...
> 
> I just checked this moment again, but the latest UEFI firmware Fujitsu is
> offering is version 1.8.0 from April of this year.

I would complain to the vendor of your machine...  I'd contact them
and try to return the machine as defective...  It clearly is...

> > > [...]
> > > FreeBSD clang version 3.6.1 (tags/RELEASE_361/final 237755) 20150525
> > > VT: running with driver "efifb".
> > > CPU: Intel(R) Xeon(R) CPU E5-1650 v3 @ 3.50GHz (3491.98-MHz K8-class CPU)
> > >   Origin="GenuineIntel"  Id=0x306f2  Family=0x6  Model=0x3f  Stepping=2
> > >   Features=0xbfebfbff<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,HTT,TM,PBE>
> > >   Features2=0x7dfefbff<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,SMX,EST,TM2,SSSE3,SDBG,FMA,CX16,xTPR,PDCM,PCID,DCA,SSE4.1,SSE4.2,x2APIC,MOVBE,POPCNT,TSCDLT,XSAVE,OSXSAVE,AVX,F16C,RDRAND>
> > 
> > There should be an AESNI feature on this line, but clearly not...
> 
> On another machine, also Fujitsu, but a 19 inch rack server module with a low
> energy XEON E5-12XXv3, I can clearly see the AESNI feature in Feature2 list
> and, conclusively, the aesni0 device is present and reported.
> 
> > 
> > [...]
> > 
> > > aesni0: No AESNI support.
> > > [...]
> > 
> > Which is why you get this...
> > 
> 
> I applied the port sysutils/cpuid to another system, runnin a i5-4200M mobile
> CPU (Lenovo notebook). The rows indicating
> 
> family          = Intel ...
> (simple synth)  = ...
> 
> look much more "modern" for my opinion as the output I provided shows on the
> CPU in question. It is just a hunch ... Seems, I've bought Intel(ian) crap ;-)
> with no features and from another mellenium ...

Yep...

-- 
  John-Mark Gurney				Voice: +1 415 225 5579

     "All that I will do, has been done, All that I have, has not."