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LWN.net

[$] Reports from OSPM 2026, day three

The Power Management and Scheduling in the Linux Kernel Summit, which still goes by the historical acronym OSPM, was held in Cambridge, UK, in mid-April. As has become traditional, the presenters at that event have since written summaries of their sessions, and this work has kindly been made available to LWN for publication. The third day's sessions covered a wide range of topics, including GPU affinity, profile-guided scheduling, paravirtualization scheduling, quality of service, and more.

LPI

Code That Built the Internet: The Impact of BSD, Part 2

The first article in this series introduced BSD and its tight relationship with the internet. We continue looking at particular features in this final part. The Most Important Digital Communication Medium Nowadays, we have many protocols and media for sharing ... Read more The post Code That Built the Internet: The Impact of BSD, Part 2 appeared first on Linux Professional Institute (LPI).

LWN.net

[$] Initiating writeback earlier

Writeback is the process of ensuring that dirty pages or folios in the page cache are flushed to the disk, so that changes to those files are made persistent. In a filesystem-track session at the 2026 Linux Storage, Filesystem, Memory Management, and BPF Summit, Jeff Layton wanted to discuss whether the writeback operation should be initiated earlier than it is today. The consensus seemed to be that it should be done earlier, but the path toward making that happen was less clear.

LWN.net

Lots of stories about systemd v261

Lennart Poettering has posted a list of Mastodon posts about the changes in the systemd v261 release. The Mastodon format makes the reading harder, but there is a lot of useful information there.

OMG! Ubuntu

Ubuntu 26.10 Snapshot 2 is out (with a ‘breaking change’)

Ubuntu 26.10 Snapshot 2 is available to download, the second of four snapshots planned for the ‘Stonking Stingray’ development cycle ahead of a stable release in October. As with the first snapshot, there’s not a lot “new” stuff to see or test out, so unless you’re a developer or an avid bug hunter there’s little reason to rush off and try it. Canonical’s Utkarsh Gupta, announcing the release on Ubuntu’s developer mailing list, warns of a “breaking change” – don’t panic: it’s not in the image itself, but the URL it’s accessed from. Over the past few weeks the Ubuntu […]

Phoronix

New Intel Linux Driver Patches Enable HDR Over DP MST Connections

One of the limitations of the Intel Linux driver's high dynamic range (HDR) display support is that it currently doesn't work for any DisplayPort Multi-Stream Transport "DP MST" connections, such as for daisy chaining monitors or multi-monitor docking stations. But the good news is patches are being worked on to address this Intel Linux kernel display driver shortcoming...

LWN.net

[$] What's coming in Git 2.55

The Git v2.55.0-rc2 testing release appeared on June 23, suggesting that the final Git 2.55 release can be expected in the near future. While this Git update lacks radical new features, it does include a number of improvements that regular Git users will appreciate, including commands to easily edit the commit history, more formatting options, fsmonitor support for Linux, and more.