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Kernel update: Virtuozzo ReadyKernel patch 94.0 for Virtuozzo 7.0 and Virtuozzo Infrastructure Platform 3.0

Issue date: 2019-12-24

Applies to: Virtuozzo 7.0, Virtuozzo Infrastructure Platform 3.0

Virtuozzo Advisory ID: VZA-2019-098

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.vz7.116.6 (Virtuozzo 7.0.12), 3.10.0-1062.4.2.vz7.116.7 (Virtuozzo 7.0.12 HF1).

2. Bug Fixes

  • [3.10.0-1062.4.2.vz7.116.6 to 3.10.0-1062.4.2.vz7.116.7] Processes could get stuck in copy_net_ns() forever. (PSBM-96057)

  • [3.10.0-1062.4.2.vz7.116.6 to 3.10.0-1062.4.2.vz7.116.7] kvm: potential system hang due to an error in mmu_shrink_scan(). (PSBM-96262)

  • [3.10.0-957.12.2.vz7.96.21 to 3.10.0-1062.4.2.vz7.116.7] A bug in ploop prevented recovery of corrupted ploop images. (PSBM-100441)

  • [3.10.0-1062.4.2.vz7.116.6 to 3.10.0-1062.4.2.vz7.116.7] The minimum amount of reserved free memory (vm.min_free_kbytes) was set too high by default. (VSTOR-29472)

3. Installing the Update

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

Dec 12, 2024
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