Loading

×Sorry to interrupt
Uncaught ReferenceError: addCTracking is not defined
throws at https://kb.vmware.com/resource/KM_TealiumTrackingJS?v=0.5:100:1

Refresh

Cookie Preference Center

General Information on cookies

When you visit our website, we use cookies to ensure that we give you the best experience. This information does not usually directly identify you, but it can give you a more personalized web experience. Because we respect your right to privacy, you can choose not to allow some types of cookies by clicking on the different category headings to find out more and change your settings. However, blocking some types of cookies may impact your experience on the site and the services we are able to offer. Further information can be found in our

Cookie Policy.

Strictly Necessary

Strictly Necessary

Always Active

Strictly Necessary

Strictly necessary cookies are always enabled since they are essential for our website to function. They enable core functionality such as security, network management, and website accessibility. You can set your browser to block or alert you about these cookies, but this may affect how the website functions. For more information please visit www.aboutcookies.org or www.allaboutcookies.org.

Cookie Details‎

Performance

Performance

Performance

Performance cookies are used to analyze the user experience to improve our website by collecting and reporting information on how you use it. They allow us to know which pages are the most and least popular, see how visitors move around the site, optimize our website and make it easier to navigate.

Cookie Details‎

Please confirm your settings by refreshing the page.

Functional

Functional

Functional

Functional cookies help us keep track of your past browsing choices so we can improve usability and customize your experience. These cookies enable the website to remember your preferred settings, language preferences, location and other customizable elements such as font or text size. If you do not allow these cookies, then some or all of these services may not function properly.

Cookie Details‎

Advertising

Advertising

Advertising

Advertising cookies are used to send you relevant advertising and promotional information. They may be set through our site by third parties to build a profile of your interests and show you relevant advertisements on other sites. These cookies do not directly store personal information, but their function is based on uniquely identifying your browser and internet device.

Cookie Details‎

Advertising Cookies

Consent Leg.Interest

Select All Vendors

Select All Vendors

Select All Hosts

Select All

Clear Filters

Information storage and access

Apply

Confirm My Choices Reject All Allow All

My Subscriptions

Loading

Knowledge Base

Memory corruption in the PShare subsystem causing host PSOD (50357)

Last Updated: 11/8/2023Categories: TroubleshootingTotal Views: 6110Language:
Chinese (Simplified)JapaneseEnglish

1 like this article

Subscribe to get an email
newsletter with new updates

1 people found this helpful Please provide article feedback:

Symptoms

In the /var/log/vmkernel.log file, you see entries similar to :

04:40:54.761Z cpu21:14392120)WARNING: UserMem: 14034: vmx-vthread-6: vpn 0xa00bc795 status: "Invalid address" (bad0026)
04:40:54.763Z cpu21:14392120)WARNING: UserMem: 14034: vmx-vthread-6: vpn 0xa00bc7b5 status: "Invalid address" (bad0026)
04:40:54.764Z cpu21:14392120)WARNING: UserMem: 14034: vmx-vthread-6: vpn 0xa00bc7d5 status: "Invalid address" (bad0026)
04:40:54.765Z cpu21:14392120)WARNING: UserMem: 14034: vmx-vthread-6: vpn 0xa00bc7f5 status: "Invalid address" (bad0026)
04:40:54.766Z cpu21:14392120)WARNING: UserMem: 14034: vmx-vthread-6: vpn 0xa00bc815 status: "Invalid address" (bad0026)
04:40:54.768Z cpu21:14392120)WARNING: UserMem: 14034: vmx-vthread-6: vpn 0xa00bc835 status: "Invalid address" (bad0026)

You see PSOD stacks similar to:

VmMemCowPShareRemoveWithCheck@vmkernel#nover+0x10f stack: 0x418011d0
VmMemCow_CopyPageWithMPN@vmkernel#nover+0x19f stack: 0x3fffffffff, 0
VmMemPf@vmkernel#nover+0x133 stack: 0x449fd475255d69,

PShareHashTableWalkMatchMPN@vmkernel#nover+0x2d stack: 0x3110dc
PShare_RemoveHint@vmkernel#nover+0xb3 stack: 0x4391ccaa7000
VmMemCow_PShareRemoveHint@vmkernel#nover+0x72 stack: 0x4391ccc1bef8
VmMemCowPFrameRemoveHint@vmkernel#nover+0xc6 stack: 0x304
VmMemCowPShareFn@vmkernel#nover+0x5c3 stack: 0x6422bec
VmAssistantProcessTasks@vmkernel#nover+0x144 stack: 0x0
CpuSched_StartWorld@vmkernel#nover+0x99 stack: 0x0

You see multiple CPUs locked up messages similar to:

10:49:52.654Z cpu4:155673)WARNING: Heartbeat: 794: PCPU 51 didn't have a heartbeat for 9 seconds; *may* be locked up.
10:49:52.654Z cpu52:172048)WARNING: Heartbeat: 794: PCPU 27 didn't have a heartbeat for 12 seconds; *may* be locked up.

Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.

Cause

This issue occurs due to memory corruption in the PShare subsystem.

Resolution

This is a known issue affecting VMware ESXi 6.0 and 6.5.

The fix is available in ESXi 6.5 patch 2, and 6.0 patch 7.

Workaround

To work around this issue, disable the page sharing.

To disable the page sharing:

Log in to ESX\ESXi host or vCenter Server using the vSphere Client.

Note: If you are connected to vCenter Server, select the relevant ESX\ESXi host.

In the Configuration tab, click Advanced Settings under the Software section.

In the Advanced Settings window, click Mem.

Locate Mem.ShareScanGHz and set the value to 0.

Click OK.

Perform any of the below steps to make the page share changes effective immediately:

Migrate all the virtual machines to another host in the same cluster and migrate back to the original host.

Shutdown and Power On all the virtual machines.

Detectable by VMware SkylineTM

Actions

Copy

link to clipboard
copied!

Print

Language:
Chinese (Simplified)JapaneseEnglish

Attachments

Additional Resources

KB
•
End Of General Availability of the Free vSphere Hypervisor (ESXi 7.x and 8.x) (2107518)

Result 1 of 1

Ask The Community

Get answers quickly from VMware experts in the community

Post Subject

CONTINUE IN COMMUNITIES

Related Products:

VMware vSphere ESXi

Related Versions:

VMware vSphere ESXi 6.5

VMware vSphere ESXi 6.0

Take Our Survey

Support Assistant