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VMware ESX 4.0, Patch ESX400-201105205-UG: Updates the ESX 4.0 SCSI qla4xxx driver (1031092)

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Release date: May 05, 2011

Patch Classification
Build Information
For build information, see KB 1031732.
Also see KB 1012514.
Host Reboot Required
Virtual Machine Migration or Shutdown Required
PRs Fixed
Affected Hardware
Affected Software
VIBs Included
Related CVE numbers



Summaries and Symptoms

This patch resolves the following issue:

Under certain conditions the QLogic iSCSI HBA driver might block interrupts for a long time and cause an ESX host to fail with a purple screen.

Deployment Considerations

None beyond the required patch bundles and reboot information listed in the table above.

Patch Download and Installation

See the VMware vCenter Update Manager Administration Guide for instructions on using Update Manager to download and install patches to automatically update ESX 4.0 hosts.

To update ESX 4.0 hosts when not using Update Manager, download the patch zip file from and install the bulletin using esxupdate from the command line of the host. For more information, see the ESX 4 Patch Management Guide.

Request a Product Feature

To request a new product feature or to provide feedback on a VMware product, please visit the Request a Product Feature page.


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