Linux 6.4-rc2 Released As A Fairly Calm Mother's Day Kernel

Written by Michael Larabel in Linux Kernel on 14 May 2023 at 04:42 PM EDT. Add A Comment
Linus Torvalds just released Linux 6.4-rc2 as the second weekly release candidate of the in-development Linux 6.4 cycle.

With it being Mother's Day in the US and other countries, Linus Torvalds wrote in the 6.4-rc2 announcement:
"It's Mother's Day, which obviously means that you can surprise her with a brand new kernel. And you're in luck, since I just happened to push out the very newest one: 6.4-rc2 is out there in all the usual places.

This being rc2, it's been a fairly calm week as people are only starting to find any issues from the merge window, but it all looks fine. The stats are unusual, in that it's about a third drivers (mostly gpu, some media and networking), a third filesystems (ext4, btrfs, and xfs), and a third "miscellaneous" (mostly selftests and documentation updates, but there's some arch updates and some core kernel code too).
Now, back to our regularly scheduled Mother's Day kernel compiles,"

Being past the merge window, Linux 6.4-rc2 isn't particularly exciting but contains the first week's worth of bug and regression fixing. The only changes landing this week catching my attention were the AMD Family 19h Model 78h additions.

Linux 6.4-rc2

See my Linux 6.4 feature overview for a look at all of the kernel changes in store for this kernel that will be out as stable in late June or early July.
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Michael Larabel is the principal author of and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and automated benchmarking software. He can be followed via Twitter, LinkedIn, or contacted via

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