Downplaying a serious issue

[Glen Barber]

On Thu, Apr 03, 2014 at 07:36:05AM -0400, Glen Barber wrote:
> On Thu, Apr 03, 2014 at 09:47:02AM +0200, Torbjorn Granlund wrote:
> > Glen Barber <gjb at FreeBSD.org> writes:
> >   The issue is specific to certain hardware configurations, and unless
> >   anyone has made any breakthroughs that I am unaware of, the cause is
> >   still unknown.
> >   
> > It happens on:
> > 
> > AMD piledriver running Linux+KVM
> > AMD piledriver running Linux+Xen
> > Intel Nehalem running NetBSD+Xen
> > Intel Sandybridge running NetBSD+Xen
> > Intel Haswell running NetBSD+Xen
> > AMD K10 Barcelona running NetBSD+Xen
> > AMD Bulldozer running NetBSD+Xen
> > 
> 
> We need more specifics.
> 

Here is the type of information we need:
 CPU information
 RAM
 ACPI information
 Drive controller information


On this machine, I do *not* see any issue with FreeBSD 10.x VMs:

CPU: Intel(R) Core(TM) i7-2700K CPU @ 3.50GHz (3605.73-MHz K8-class CPU)
  Origin = "GenuineIntel"  Id = 0x206a7  Family = 0x6  Model = 0x2a
Stepping = 7
  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=0x1f9ae3bf<SSE3,PCLMULQDQ,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,PCID,SSE4.1,SSE4.2,POPCNT,TSCDLT,AESNI,XSAVE,OSXSAVE,AVX>
  AMD Features=0x28100800<SYSCALL,NX,RDTSCP,LM>
  AMD Features2=0x1<LAHF>
  TSC: P-state invariant, performance statistics
real memory  = 34359738368 (32768 MB)
avail memory = 32940740608 (31414 MB)
Event timer "LAPIC" quality 600
ACPI APIC Table: <ALASKA A M I>
FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
FreeBSD/SMP: 1 package(s) x 4 core(s) x 2 SMT threads
ioapic0 <Version 2.0> irqs 0-23 on motherboard
random: <Software, Yarrow> initialized
kbd1 at kbdmux0
aesni0: <AES-CBC,AES-XTS> on motherboard
cryptosoft0: <software crypto> on motherboard
ahci0: <Intel Panther Point AHCI SATA controller> port
0xf0b0-0xf0b7,0xf0a0-0xf0a3,0xf090-0xf097,0xf080-0xf083,0xf060-0xf07f
mem 0xf7a16000-0xf7a167ff irq 19 at device 31.2 on pci0

Glen

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