OpenBSD Errata: December 16, 2021 (kernel)

submited 20 December 2021

Errata patches for kernel multicast routing have been released for OpenBSD 6.9 and 7.0. Binary updates for the amd64, i386 and arm64 platform are available via the syspatch utility.

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11 August 2022
FreeBSD Errata Notice FreeBSD-EN-22:17.cam  

CAM (Common Access Method) is a FreeBSD kernel subsystem which handles various aspects of storage device management. Among other responsibilities, it handles device error recovery and can automatically retransmit commands to peripheral devices when a transient error is encountered. When a CAM-managed device responds to a command with an error condition, CAM may automatically retry the command following some error recovery protocol. For instance, it may send a SCSI START UNIT command to the device before retrying the failed command. In this case, an in-memory copy of the original command is preserved for a later retry. However, a specific portion of the command state was not saved correctly, and upon a retry this could lead to memory corruption. The bug can cause kernel panics or other system-level misbehaviour.

FreeBSD Errata Notice FreeBSD-EN-22:16.kqueue  

kevent(2) is a system call which provides a generic method of notifying the caller when a caller-specified event happens or a condition holds. One use for kevent(2) is to wait for a specified timeout to elapse. This is implemented by the EVFILTTIMER filter type. In FreeBSD 13.1, periodic events of type EVFILTTIMER will return at only half of the requested frequency, following the first event. The bug may cause misbehaviour in software that makes use of periodic kevent(2)-based timers.

10 August 2022
Jstats - a resource monitor script for FreeBSD Jails  

Jstats is a tiny resource monitor for FreeBSD jails, created by Özgür Kazanççı, a small tool that lists RAM, CPU and disk space usage of the jails running in the host system.

BSD Weekly, issue 118  

NetBSD 9.3 plus all the latest news and tutorials from the BSD world. Subscribe today :)

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09 August 2022
FreeBSD Quarterly Status Report - Second Quarter 2022  

Here is the second quarterly report of 2022, with 26 reports included, from FreeBSD Team Reports, Projects, Userland, Kernel, Architectures, Documentation and Ports.

08 August 2022
Ada development on FreeBSD 13.1  

The Ada support has been removed from FreeBSD 13.1 ports because it was deprecated. Indeed, the gcc6-aux port was deprecated and expired on 2022-02-28. There is no indication about a replacement solution and using Ada for FreeBSD is a challenge but this is still possible. This article records a number of steps and commands that helped me setup a new Ada compiler based on GCC 12 on a fresh FreeBSD 13.1 installation.

Valuable News – 2022/08/08  

The Valuable News weekly series is dedicated to provide summary about news, articles and other interesting stuff mostly but not always related to the UNIX or BSD systems.

06 August 2022
NetBSD 9.3 released  

The NetBSD Project is pleased to announce NetBSD 9.3, the third release from the NetBSD 9 stable branch. It represents a selected subset of fixes deemed important for security or stability reasons since the release of NetBSD 9.2 in May 2021, as well some enhancements backported from the development branch. It is fully compatible with NetBSD 9.0. Users running 9.2 or an earlier release are strongly recommended to upgrade. Aside from many bug fixes, 9.3 includes backported improvements to suspend and resume support, various minor additions of new hardware to existing device drivers, compatibility with UDF file systems created on Windows 10, enhanced support for newer Intel Gigabit Ethernet chipsets, better support for new Intel and AMD Zen 3 chipsets, support for configuring connections to Wi-Fi networks using sysinst(8), support for wsfb-based X11 servers on the Commodore Amiga, and minor performance improvements for the Xen hypervisor.

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