OmniOS Community Edition weekly releases for w/c 20th of May 2019 are now available.

These updates require a reboot.

The following updates are available for all supported releases:

Security Fixes

Other Changes

  • New feature allowing hyperthreading to be disabled on a running system or at boot time. To disable on an active system use psradm -aS and to disable at every boot echo smt_enabled=false > /boot/conf.d/smt illumos 11048

  • The mdb -ke ::sec command has been updated to cover the new MDS vulnerabilities.

  • It is now possible to configure the desired behaviour in response to receipt of an NMI via a boot option in place of /etc/system. For example, to cause a panic, echo nmi=panic > /boot/conf.d/nmi. Other options are kmdb and ignore (the default).

  • The cpuid utility has been updated to show whether the processor supports the new MD_CLEAR feature (delivered via microcode update).

Additionally, for r151030 only:

  • TCP wrapper support for OpenSSH has been restored.

For further details, please see

Any problems or questions, please get in touch.