[Xen-bugs] [Bug 30] fast output on console blocks DomU and crashed XEND taking 100% of the host

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http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=30





------- Additional Comments From mike.wray@xxxxxx  2005-05-13 19:41 -------
The problem is related to the low-level C code
inside the xu python module that handles the console
i/o. Under heavy load it causes the symptoms you
describe. The good news is that the switch of xend
to using threads has let us change the way all this works
so that the problem doesn't occur anymore.
With the new code I've successfully kept going
while running 'cat -v /dev/full' on the console:
rebooting the domain, or disconnecting and reconnecting the console.
This code should be in the tree soon.



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