[VMware] Time counter stops in a virtual machine using HPET running on an ESXi 5.0 host (2021185)

- 관련 증상.

http://lists.freebsd.org/pipermail/freebsd-stable/2012-August/069070.html

해결 방안

1. ESXi 패치

2. timcounter 변경

timecounter 확인

# sysctl kern.timecounter.hardware

kern.timecounter.hardware=HPET

값 변경

9.x 이전 – ACPI-safe

9.x or 이상- ACPI-fast

# sysctl sysctl kern.timecounter.hardware=ACPI-fast

reboot 후 값 원복을 막기위해 /etc/sysctl.conf 파일에도 추가해준다.

- 관련 VMware KB 및 패치 내용.

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2021185

ESXi 5.0.0 build 821926 에서 패치 됨.

- build patch

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2032584

- bugfix

http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=2032586