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Hammer versioning
Matthew Dillon’s updated Hammer to create two new directives: ‘version’ and ‘version-upgrade’, along with a number of internal changes and fixes.
A lot of historical reading
When creating the 2.1 tag in git, Simon ‘corecode’ Schubert also auto-created a message showing every commit ever, grouped by committer, with the first line of each commit. Reading through it provides an interesting look at what particular itch different people have scratched with DragonFly, over the years. (Also available as a plain count.)
Lots and lots of commits
The new switch to git has brought out a lot of new committer activity; nothing to point you at specifically, but it’s nice to see it’s encouraged action.
Automatic PFS creation
Michael Neumann has come up with a way to automatically create pseudo file systems (PFS) when mirroring a Hammer volume. Previously, the destination/slave file system would have to be created first; this makes it Just Work.
This means Hammer data streams will be incompatible with versions before and after this change, but it’s not going to damage anything. Introducing a versioning system into Hammer data streams is an available project…
Scheduler fix for testing
Matthew Dillon has made a scheduler change that apparently improves responsiveness when CPU load is high, to fix an issue reported by Simon ‘corecode’ Schubert. Please test if you are running bleeding-edge code.
sensorsd(8) synced
Hasso Tepper has synced sensorsd(8), the sensor framework in DragonFly, with the latest version in OpenBSD.
sensorsd(8) updated
Hasso Tepper has updated sensorsd(8), the sensor framework DragonFly shares with OpenBSD.
Parsing utrace(2) entries
Hasso Tepper has added (based on this FreeBSD work) the ability to “parse the utrace(2) entries generated by malloc(3) in a more human-readable format”.
More time
Sascha Wildner is updating DragonFly to tzcode2008g, which will modernize our time system, along with making 64-bit time_t possible. It also apparently fixes a recently reported problem in Python. Sascha links to this time page in his message, with more time zone link information than ever I’ve seen.
Oh, and Sascha updated timezone data, too.
Wierd ssh bug fixed
Hasso Tepper brought in a fix from OpenBSD for ssh; apparently empty banners on some types of network equipment would cause a disconnect. This isn’t major, but there may just be someone out there reading this for whom knowing about that saves a lot of frustration.
Another step closer to lock removal
Sepherosa Ziehau has added code to make it possible to run network threads without the Big Giant Lock. It’s still experimental, so it has to be manually set via sysctl.
Anohter step closer to lock removal
Sepherosa Ziehau has added code to make it possible to run network threads without the Big Giant Lock. It’s still experimental, so it has to be manually set via sysctl.
New Hammer utility: cleanup
Matthew Dillon has added a new tool for Hammer: ‘cleanup‘. This does the normal pruning, reblocking, and snapshots all together, with some sensible defaults.
Crash on purpose
If you are running bleeding edge DragonFly, and you don’t mind panicing your system, Sepherosa Ziehau has made some changes. Specifically, if you see messages on your console about rtfree_remote(), set net.route.remote_free_panic to 1 and post a link to the resulting coredump.
Scheduler changes
Matthew Dillon made some changes to the scheduler; his commit message has some interesting details.
