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• 2026.07.14 3b505644b2

  2026.07.14 — kernel 6.18.38-rt-cuckoo+ Stable

  rsp2k released this 2026-07-14 15:54:08 +00:00 | 4 commits to main since this release

  PREEMPT_RT kernel for the Raspberry Pi 4 with the IRQF_NO_THREAD pps-gpio patch.

  Pi 4 / arm64 only. Unsigned, community-built. Verify SHA256SUMS.

  Boot-tested on real hardware before publishing: Stratum 1, 273 ns system offset, PPS handler confirmed NOT force-threaded.

  Install:

  sha256sum -c SHA256SUMS
  sudo ./install-rt-kernel.sh
  sudo reboot
  

  The installer never touches kernel8.img. Rollback is deleting one line from config.txt.

  Full write-up: https://cuckoo.warehack.ing

  Downloads

  • Source Code (ZIP)
  • Source Code (TAR.GZ)
  • install-rt-kernel.sh
    3.4 KiB
  • kernel-rt-6.18.38-rt-cuckoo+.img.gz
    9.8 MiB
  • rt-modules-6.18.38-rt-cuckoo+.tar.gz
    21 MiB
  • SHA256SUMS
    205 B