Month: June 2019

Shut up, ACPI

You’ll all be happy to know ACPI errors are less noisy now.  (And it was updated to 20190509, before the 5.6 release.)

BSD Now 304: Prospering with Vulkan

This week’s BSD Now talks about the normal assortment of news, including DragonFly’s release, and an explanation of the Vulkan framework in OpenBSD; something I hadn’t read about yet.

TCP keepalive change in DragonFly kernel

Matthew Dillon’s made a change to the DragonFly kernel that could be disruptive, but will help make sure chromium runs.  If you update after this point, make sure to update your dports, too, just to be sure everything is in sync.  This applies to…

Gaining memory back in DragonFly

Because of some changes Matthew Dillon made to maxvnodes calculation in DragonFly, you may find yourself using 5%-10% less RAM.  If you’ve upgraded to 5.6, you already have this benefit.

retpoline, SMAP, SMEP in DragonFly

DragonFly now has retpoline turned on (stats included in that link) as a side effect of having gcc-8 as default, and SMAP/SMEP are also supported.  I enjoy just saying these words out loud.  SMEP SMEP SMEP SMEPSMEPSMEPSMEP.

5.6.1 tagged and built

Shamelessly copied from my own users@ post: I tagged 5.6.1 and built it earlier today.  This version has a corrected sshd_config and fixes a lockup bug in ttm. The ISO should be showing up on mirror-master.dragonflybsd.org in the next 20 minutes or so, or you can rebuild using the normal process on an existing 5.6 system: …

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[FreeBSD-Announce] FreeBSD Errata Notice FreeBSD-EN-19:11.net

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FreeBSD-EN-19:11.net Errata Notice
The FreeBSD Project

Topic: Incorrect locking in networking stack

Category: core
Module: net
Announced: 2019-06-19
Affects: FreeBSD 12.x
Corrected: 2019-04-01 14:19:09 UTC (stable/12, 12.0-STABLE)
2019-06-19 16:41:18 UTC (releng/12.0, 12.0-RELEASE-p6)

For general information regarding FreeBSD Errata Notices and Security
Advisories, including descriptions of the fields above, security
branches, and the following

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[FreeBSD-Announce] FreeBSD Security Advisory FreeBSD-SA-19:08.rack

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FreeBSD-SA-19:08.rack Security Advisory
The FreeBSD Project

Topic: Resource exhaustion in non-default RACK TCP stack

Category: core
Module: inet
Announced: 2019-06-19
Credits: Jonathan Looney (Netflix)
Peter Lei (Netflix)
Affects: FreeBSD 12.0 and later
Corrected: 2019-06-19 16:25:39 UTC (stable/12, 12.0-STABLE)
2019-06-19 16:43:05 UTC (releng/12.0, 12.0-RELEASE-p6)
CVE Name: CVE-2019-5599

For general information regarding FreeBSD Security Advisories,

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