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Knowledge Base

Linux virtual machines shut down instead of rebooting (1020272)

Last Updated: 3/20/2024Categories: Total Views: 10134Language:
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Symptoms

Linux virtual machines shut down instead of rebooting

Rebooting certain Linux virtual machines from within the guest OS may instead result in their unexpected shutdown

This issue may affect latest Linux kernels (such as 2.6.24 or later).

Note: RHEL 5 is not affected.

If this issue occurs, you can restart the virtual machine.

This issue likely affects Linux virtual machines that have been running for more than 30 days.

The vmware.log file for the affected virtual machines contain the messages:

Note: The important information is highlighted.

vcpu-0| pciBridge7:7: ISA/VGA decoding enabled (ctrl 0004)
vcpu-0| debugCtlLow: 0x0 debugCtlHigh: 0x0
vcpu-0| MONITOR PANIC: vcpu-0:VMM fault: regs=0x2f94, exc=0, eip=0x84c91
vcpu-0| Core dump with build build-171294
vcpu-0| Writing monitor corefile "/vmfs/volumes/4abc8aab-45afc8fc-bbba-0024e83c18cd/de-file1/vmware-core.gz"
vcpu-0| CoreDump: dumping core with superuser privileges
vcpu-0| VMK Stack for vcpu 0 is at 0xc0000000
vcpu-0| Saving busmem frames
vcpu-0| Saving anonymous memory
vcpu-0| Beginning monitor coredump
vcpu-0| End monitor coredump
vcpu-0| Beginning extended monitor coredump
vcpu-0| Writing anonymous pages at pos: 408000
vcpu-0| Msg_Post: Error
vcpu-0| [msg.log.monpanic] *** VMware ESX internal monitor error ***
vcpu-0| vcpu-0:VMM fault: regs=0x2f94, exc=0, eip=0x84c91
vcpu-0| [msg.log.monpanic.report] Please report this problem by selecting menu item Help > VMware on the Web > Request Support, or by going to the
Web page "http://www.vmware.com/info?id=8&logFile=%2fvmfs%2fvolumes%2f4abc8aab%2d45afc8fc%2dbbba%2d0024e83c18cd%2fde%2dfile1%2fvmware%2elog&coreLocation=%2fvmfs%2fvol
umes%2f4abc8aab%2d45afc8fc%2dbbba%2d0024e83c18cd%2fde%2dfile1%2fvmware%2dcore%2egz". Please provide us with the log file (/vmfs/volumes/4abc8aab-45afc8fc-bbba-0024e83c
18cd/de-file1/vmware.log) and the core file(s) (/vmfs/volumes/4abc8aab-45afc8fc-bbba-0024e83c18cd/de-file1/vmware-core.gz, /vmfs/volumes/4abc8aab-45afc8fc-bbba-0024e83
c18cd/de-file1/vmware-vmx-zdump.003).
vcpu-0| [msg.log.monpanic.serverdebug] If the problem is repeatable, please set 'Use Debug Monitor' to 'Yes' in the 'Misc' section of the Configur
e Virtual Machine Web page. Then reproduce the incident and file it according to the instructions.
vcpu-0| [msg.log.monpanic.vmSupport.vmx86] To collect data to submit to VMware support, run "vm-support".
vcpu-0| [msg.log.monpanic.entitlement] We will respond on the basis of your support entitlement.
vcpu-0| [msg.log.monpanic.finish] We appreciate your feedback,
vcpu-0| -- the VMware ESX team.
vcpu-0| ----------------------------------------
vcpu-0| Exiting vcpu-0
vmx| VTHREAD watched thread 4 "vcpu-0" died
Worker#0| VTHREAD watched thread 0 "vmx" died
mks| VTHREAD watched thread 0 "vmx" died

Resolution

This issue occurs as the monitor hits a divide by zero exception and panics during the reboot of the guest operating system, causing the virtual machine to stop running.

To resolve this issue, upgrade to ESX 4.0 Update 2. You can download the update from the ESX 4.0 Update 2. For more information, see the ESX 4.0 Update 2 Release Notes. If you do not wish to update ESX as a workaround to this issue perform these steps:

Add the following line to the virtual machine's configuration ( .vmx) file:

timeTracker.lazyApic=FALSE

Note: For more information, see Tips for editing a .vmx file (1714).

Restart the virtual machine to apply changes.

Note: This change may make timekeeping less accurate on the virtual machine.

Detectable by VMware SkylineTM

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Related Products:

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