[Xen-users] RE: xen dom0 crashes while copying a lot of files - nousb for dom0 kernel fixes it

["John Shen" <John.Shen@xxxxxxxx>]

sorry, i meant to say dom0 kernel (for passing nousb).
 
System Coordinator, Online Information System
Student Affairs, University of California, Office of the President

________________________________


To answer my own question, I finally figured it out that the usb was the 
culprit. Passing nousb to the domU kernel solves the problem beautifully. I 
accidentally bumped into the solution when I installed Fedora Core as a VMWare 
guest, and xenified the FC guest without usb. The xen guest vms within the FC 
vmware vm does not crash with heavy I/O.

I confirmed that usb was the problem by finding this document by dell 
engineers. Had I found it earlier, I would not have wasted so much time on this 
and other things that dell engineers already figured out. Oh, well, this sort 
of things happens.

http://www.dell.com/downloads/global/power/ps2q06-20050322-Schmidt-OE.pdf#search=%22xen%20dell%20poweredge%202850%22

It works for me and hope it will also work for you. It might be useful for 
others as well so I am copying the mailing list as well.


System Coordinator, Online Information System
Student Affairs, University of California, Office of the President

________________________________

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