One more microcode tip

I say “one more” like I know when this saga will end.  If you are using the devcpu-data port to update your processors, you’ll need to add microcode_update_enable=”YES” to your /etc/rc.conf, as Sepherosa Ziehau points out.

Lazy Reading for 2019/12/08

Accidental theme this week: terminals. Teletext’s creative legacy.  (via) Related: Teletext, the font.  (via) The Plain Text Project.  (Thanks, Benn Collver.) TROS: How IBM mainframes stored microcode in transformers. IBM, sonic delay lines, and the history of the 80×24 display.  An answer to the recently-linked-here “80×25” post, and perhaps the definitive answer on terminal size.  …

More Meltdown fixes

If you’re on the bleeding edge of DragonFly and already updated for Meltdown fixes, there’s a few more commits you’ll want to get. Matthew Dillon wrote a summary of the current status, noting there’s not much you can do for Spectre beyond new hardware.   There is an update to the “defensive browser setup” plan for …

A pile of DragonFly commits

In an effort to reduce my backlog of DragonFly things to post about, here’s quick notes: The path to xauth is now configurable, though correct by default.  (that’s bit me in the past) There’s a new callout*() implementation. cpuctl(4) has been imported to allow CPU microcode updates. libm has been updated with math functions from FreeBSD …