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Trouble with win2003 on TX300S with hyper-v
Trouble with win2003 on TX300S with hyper-v
- Greetings,
I've got troubles with Windows 2003 R2 (SP2 - 32 and 64bit) on TX300S running under Hyper-V (not windows 2008 with hyper-v). My problem is described here at social.technet.microsoft.com/Forums/en-US/winserverhyperv/thread/ae640fd8-59f6-41a4-b243-5555c22750c7 (few 1ms pings and then few 2330ms or negative ping time response) plus "warping" the system. If I'm looking at clocks in win2003 R2 they are showing time correctly (minutes and hours) but its refreshing not every second but very randomly. E.g: 30,31,32, then 5sec nothing, 38,39,3sec nothing, 43... Problem is not only clocks, when I open task manager, I see Himalayas - peak 100%, 0%, 100%, 80%,10%,90% etc. If Im typing anything its showing with some laggy responses. I tried /usepmtimer in boot.ini and give the machine only one virtual procesor. No success except no peaks in task manager but 80-100% CPU usage all the time and ping is stable at 1ms but laggy respones remained. I tried test drawing circles in mspaint. It depends on refresh rate of RDP but I draw halfcircle wich show up after few sec and its complete, no missing or cutted parts. So there is no network problem. System is showing all I do with random response.
Can anyone help somehow?
Thanks for any help.
Martin Vyroubal
Answers
- I would first try disabling TCP Offloading driver options on the network card.
(this is useful when you observe the network traffic with Netmon or Wireshark and nitice that you don't have a nice steady flow of network traffic - but instead the traffic comes in bursts - many applications are affected by this bursty behavior that sometimes happens with offloading (TCP, Large Send, etc.)
The clock is due to the time synchronization engine with the host.
Try disabling time synchronization in the settings of the VM.
The second option is to disable the VM time service on the host.
Brian Ehlert (hopefully you have found this useful)- Marked As Answer byVincent HuMSFT, ModeratorMonday, September 28, 2009 7:22 AM
- Greetings.I found one new thing. If I start copy over network, lags disappeared. Also CPU usage in task manager shows usage (highly usage) only one core from all 4. No more peaks on all four cores.Do you know what should be the problem?Edit:I thought the problem is tcp offloading. I checked once again registry ( http://msdn.microsoft.com/en-us/library/aa938424.aspx ). *IPChecksumOffloadIPv , *TCPChecksumOffloadIPv4, *LsoV1IPv4 set to 0. I have no IPsec settings there.Thanks for any idea.
- Marked As Answer byVincent HuMSFT, ModeratorTuesday, October 13, 2009 5:38 AM
All Replies
- I would first try disabling TCP Offloading driver options on the network card.
(this is useful when you observe the network traffic with Netmon or Wireshark and nitice that you don't have a nice steady flow of network traffic - but instead the traffic comes in bursts - many applications are affected by this bursty behavior that sometimes happens with offloading (TCP, Large Send, etc.)
The clock is due to the time synchronization engine with the host.
Try disabling time synchronization in the settings of the VM.
The second option is to disable the VM time service on the host.
Brian Ehlert (hopefully you have found this useful)- Marked As Answer byVincent HuMSFT, ModeratorMonday, September 28, 2009 7:22 AM
- Thanks for answer.TCP offloading is disabled on the host and client aswell.I tried turn off time synchronization at hyper-v manager. Is restart required? If is not then it didn't help.One more question. What exactly shows CPU usage in Hyper-V manager on the host system? Its saying that usage of virtualized server is 2-3% but if I look into virtualized server and show up taskmanager, CPU usage is 80-100% (high peaks with bursts). We have 8 core processor and 2 cores are set for this virtualized server. So it shouldn'd be 2-3% but 25% if I think right.Thanks for helping.Martin Vyroubal
- Greetings.I found one new thing. If I start copy over network, lags disappeared. Also CPU usage in task manager shows usage (highly usage) only one core from all 4. No more peaks on all four cores.Do you know what should be the problem?Edit:I thought the problem is tcp offloading. I checked once again registry ( http://msdn.microsoft.com/en-us/library/aa938424.aspx ). *IPChecksumOffloadIPv , *TCPChecksumOffloadIPv4, *LsoV1IPv4 set to 0. I have no IPsec settings there.Thanks for any idea.
- Marked As Answer byVincent HuMSFT, ModeratorTuesday, October 13, 2009 5:38 AM
