Performing a kernel dump (kdump) operations on Linux virtual machines with VMware Paravirtual SCSI Controllers fail with the error: Loading ata_piix.ko module

Products

• VMware Desktop Hypervisor
• VMware vCenter Server
• VMware vSphere ESXi

Issue/Introduction

Symptoms:

• Performing a kernel dump (kdump) on Linux virtual machines with a VMware Paravirtual SCSI Controller fail with a timeout.
• The virtual machine has multiple vCPUs.
• The guest operating system displays an error similar to:
  
  Loading ata_piix.ko module
  INFO: task insmod:163 blocked for more than 120 seconds
   

Environment

VMware vCenter Server 5.0.x
VMware vSphere ESXi 5.0
VMware vCenter Server 4.0.x
VMware vCenter Server 4.1.x
VMware ESXi 4.0.x Installable
VMware ESXi 4.1.x Installable

Cause

This issue can occur when the VMware Paravirtual SCSI controller attempts to send CPU interrupts to a CPU that has been disabled by the kdump kernel.

Resolution

This is a known issue affecting ESXi 4.0, 4.1 and 5.0.

 

To resolve this issue, upgrade to ESXi 5.0 Update 2. For more information, see the VMware ESXi 5.0 Update 2 Release Notes.

Additional Information

VMware 準仮想化 SCSI コントローラを使用している Linux 仮想マシン上で、カーネルダンプ (kdump) の操作を実行すると次のエラーで失敗する： Loading ata_piix.ko module