Category: all
avx the saga continues
OK, you might think I’m crazy. Maybe you’ve thought this for some time, maybe its just dawning on you. But I’m working w/ this china ODM on this mini pc to try and resolve the Skylake 6700 HQ AES/AVX-2 problem. Many back and forth emails. Is it UEFI, is it CSM, is it this… Fortunately…
The race to do nothing: how disruptors become dominant
The biggest transportation company has no cars, no drivers (uber). The biggest accommodation company has no buildings (airbnb). There’s this race on to do as little as possible, to just sit between A and B and handle the relationship creation. And so too is this happening in computing. It used to be one would buy…
Back to the avx2 bug in my skylake
If you add clearcpuid=293 to the kernel line, it disables the *kernels* use of the feature: Before: 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 pdpe1gb rdtscp lm constant_tsc art arch_perfmon…
Got a host directory? Wish it were seamlessly mounted in your VM? Want to avoid NFS? 9p!
I wrote earlier about my life-long affair with NFS. 25 years of my life have gone into rpc portmappers and nis etc. But, so many letters in NFS, is there a better way? Enter 9p. This post has a pretty good description. But, in a nutshell, 9p will use virtio transport, so no IP, no…
IPv6 tunnel brokers: They’re Back!
Many years ago I configured an ipv6 tunnel broker courtesy of Hurricane Electric. Free, simple, worked. And it was great. But it was with much excitement that I disabled it after a few years when my service provider rolled out dual-stack native. Huzzah, no more tunnels for me. Fast forward a few more years and…
