Kernel update: Virtuozzo ReadyKernel patch 95.1 for Virtuozzo 7.0 and Virtuozzo Infrastructure Platform 3.0

Issue date: 2020-01-14

Applies to: Virtuozzo 7.0, Virtuozzo Infrastructure Platform 3.0

Virtuozzo Advisory ID: VZA-2020-002

1. Overview

The cumulative Virtuozzo ReadyKernel patch was updated with stability fixes. The patch applies to the kernels 3.10.0-957.12.2.vz7.96.21 (Virtuozzo 7.0.11 and Virtuozzo Infrastructure Platform 3.0), 3.10.0-1062.4.2.vz7.116.7 (Virtuozzo 7.0.12 HF1).

2. Bug Fixes

[3.10.0-957.12.2.vz7.96.21 to 3.10.0-1062.4.2.vz7.116.7] scsi: printing lots of messages about rejected I/O causes a hard lockup and a kernel crash. (PSBM-100118)
[3.10.0-1062.4.2.vz7.116.7] Reading of /proc/bc/resources line by line would never end: no end of file was reported. (PSBM-100575)
[3.10.0-957.12.2.vz7.96.21 to 3.10.0-1062.4.2.vz7.116.7] Potential kernel crash in __radix_tree_insert() when fscache is used for NFS mounts. (PSBM-100579)
[3.10.0-1062.4.2.vz7.116.7] Kernel crash in shrink_slab() when trying to mount an image with a broken ext4 file system. (PSBM-100593)
[3.10.0-1062.4.2.vz7.116.7] ixgbe: lots of warnings in the system log due to incorrect check for firmware errors. (PSBM-100722)

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 JSON file.