FreeBSD 6.0在VMware服务器时间和时钟减速
FreeBSD 6.0，当跑作为客人操作系统在VMware服务器或VMware工作站5.0， FreeBSD系统遇到可观的时钟滴答作响的减速时，一样高象60%时间损失与真正的时钟比较了。 在您之后重新设置时钟并且适当地设置时刻，一会后，空白在FreeBSD虚拟机时间和实际时间之间将是加宽。
对这个问题的一个可能解决方案或解决方法将使对APIC失去能力(笔记的用途： 不是ACPI)通过在/boot/loader.conf增加以下线：
hint.apic.0.disabled=1
通过使APIC设备失去能力， FreeBSD被迫转而依靠IRQ定时器避免时钟的率，并且定时器在看齐的FreeBSD机器在VMware减速。 下来旁边到这个决议是FreeBSD在看齐的机器不能奔跑，因为SMP仁方式作为一个真正SMP机器。
另一个选择是评论“设备apic”线在仁设置文件和重建仁，但，只有当您技术上是知道什么您做着。
为VMware主人在视窗NT操作系统，重新起动和跑窗口OS在安全模式下也许解决时间不正确问题，虽然格式化和安装整体机器作为FreeBSD而不是赛跑它，因为窗口安全模式主人最好的。
重要: 这是现状提供，不用保单的机器翻译的页。 计算机翻译也许是难了解。 参见 原始的英国文章 每当可能。
分享并且贡献或者得到技术支持并且帮助在 我的数字式生活论坛.
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Entries (RSS)
January 7th, 2007 20:30
[...] , vmware, APIC Share this post: email it! | bookmark it! | digg it! | live it! Published 07-01-2007 08:28 by Rex Filed under Useful Tools, Information Technology,Linux [...]
January 7th, 2007 21:08
[...] ;umm, seems that I am little bit enthusiastic about knowing all those unix-like system recently, since I didn’t pay ;much time to know ;them before. right now I’ve set up ;3 VMs with vmware‘>CentOS4.4 , Gentoo Linux 2006 ;(since it is able to run in Sun SPARC machine), FreeBSD 6.1 , and going to setup one more VM with Sun Solaris 10 x86 (11/2006 version) ;arch to get familiar with all those main stream unix-like OSes.while toying around with Gentoo and FreeBSD, I did found that Gentoo seems had no problems on the clock issue happened in my CentOS as well as FC6 as described in my previous post. but FreeBSD did encounter this problem again. the clock is much slower than real one on the host OS.by searching to Google, I found this post saying about FreeBSD clock is slowing when acting in VMWare as guest OS, and it was also the same reason in Linux that the OS is using APIC to get the clock for the time. the solution is to disable APIC on the boot time by editing /boot/loader.conf and put a line:hint.apic.0.disabled=1in the file and reboot FreeBSD, or to ;’to comment out the “device apic” line in the kernel config file and rebuild the kernel’. also by doing so will loose the ability for the guest OS to run in SMP mode. pretty same as what ;happened in Linux. After doing the loader.conf modification and reboot the FreeBSD VM, the clock is back to normal without problem. by installing VMWare-Tools into FreeBSD vm, verifying that vmware-guestd is running and also in the FreeBSD guest OS’s .vmx file, set toos.syncTime to TRUE, the time in my FreeBSD vm is back to normal and won’t need NTP to sync the real time, just like what I did in my CentOS in previous post. It’s pretty cool that I can run all those 3 VMs with different unix-like OSes simutaniously in my Windows 2003 R2 Server with 2GB RAM. I gave ;each guest OS 384mb RAM to run and thanks to VMWare Workstation’s dynamic memory allocation technology, while my testing of those 3 VMs I can still have more than 1 gb RAM for my host OS. I think it should be no problem for me to boot up one more Solaris 10 VM in the same time. The goal is to understanding all those system and networking administration tasks on those different main-stream unix-like OSes and further more to host web applications and database systems on them. maybe than trying to develop some Mono projects ;to run ASP.NET websites ;upon them. ;I’ve already found that it’s pretty different on the admin of ; Linux and BSD systems since it’s pretty different on the directory structures as well as those admin commands and locations of various config files. wondering if it’s also different ;in a Solaris OS… anyway, it’s always nice to learn new things, and I am enjoying it on my weekend… Technorati Tags: linux ;, ;freebsd, ;solaris, ;CentOS, ;ntp, ;clock, ;kernel , ;vmware, ;APIC ; [...]
January 8th, 2007 00:20
[...] Original post by Comments for My Digital Life [...]
July 3rd, 2007 07:02
[...] 2. Tambahkan baris ‘hint.apic.0.disabled=1′ di /boot/loader.conf. Solusi ini saya dapat dari link ini. [...]
October 13th, 2007 14:41
[...] FreeBSD 6.0 on VMware Server Time and Clock Slow Down [from My Digital Life] [...]