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VMware ESX 4.1, Patch ESX410-201101204-UG: Updates ESX 4.1 mptsas device driver (1027906)

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Product Versions ESX 4.1
Build For build information, see KB 1029353.
Patch Classification Critical
Severity Critical
Host Reboot Required Yes
Virtual Machine Migration or Shutdown Required Yes
PRs Fixed 600299
Affected Hardware N/A
Affected Software N/A
VIBs Included vmware-esx-drivers-scsi-mpt2sas
Related CVE numbers N/A



Summaries and Symptoms

Powering on and powering off a single virtual machine or running I/O on the virtual machine causes a consistent decrease in the available memory. The VMkernel log contains memory allocation error messages similar to:

vmkernel: 127:08:11:41.044 cpu16:4306)WARNING: vmklinux26: dma_alloc_coherent: Out of memory Apr 21 02:01:49 ESX7-JL-PRD vmkernel: 127:08:11:41.044 cpu16:4306)<3>failure at vmkdrivers/src_current/drivers/scsi/mpt2sas/mpt2sas_ctl.c:686/_ctl_do_mpt_command()!

This patch fixes the issue.

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 4.1 hosts.

To update ESX 4.1 hosts without using Update Manager, download the patch ZIP file from and install the bulletin by using esxupdate from the command line of the host. For more information, see the ESX 4.1 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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