Kernel update: Virtuozzo ReadyKernel patch 71.0 for Virtuozzo 7.0.5

Issue date: 2019-02-07

Applies to: Virtuozzo 7.0

Virtuozzo Advisory ID: VZA-2019-005

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the Virtuozzo kernel 3.10.0-514.26.1.vz7.33.22 (7.0.5).

2. Bug Fixes

  • /proc/sys/net/core/somaxconn was not available in the containers. (PSBM-91032)

  • ‘perf record -a’ causes segfaults in applications executing vsyscalls. (PSBM-91181)

  • Kernel crash (BUG_ON) ploop_relocblks_ioc(). (PSBM-91361)

  • Debug message ‘IPVS: Creating netns size=… id=…’ could be output many times to the system log when the network namespaces are initialized, making the log less readable. (PSBM-91527)

3. Installing the Update

Download, install, and immediately apply the patch to the current kernel by running ‘readykernel update’.

4. References

The JSON file with the list of new and updated packages is available at