[Xen-users] Writing fast in domU crashes entire xen system

[moncojhr <moncojhr@xxxxxxxxx>]

Having a problem here where, if I write quickly in a domU, dom0
freezes up and I cant do anything but reboot, you can still type, just
nothing will ever do anything.

I noticed that I am able to get much faster speeds writing in the domU
then in dom0:

dom0: 1073741824 bytes (1.1 GB) copied, 27.3189 s, 39.3 MB/s
domU: 1073741824 bytes (1.1 GB) copied, 6.80832 s, 158 MB/s

I do not get the freeze/lockup when writing in dom0, only when writing
quickly a lot of data in domU.

I am using file: for my vm's , using the 2.6.32.27 dom0 from git.

Any help would be great!

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