[Xen-bugs] [Bug 96] DomU crashing on x86

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http://bugzilla.xensource.com/cgi-bin/bugzilla/show_bug.cgi?id=96





------- Additional Comments From david_wolinsky@xxxxxxxx  2005-07-11 18:56 
-------
The problem has been found in Linux domains only (VMX domains do not contain 
the problem.)  It references line 249 and 649 (as I best recall) of mm.c, which 
is a portion of the Xen code.  This occurs in the latest unstable binary as 
well as a pull from mercurial dated Sunday night.

Systems specs:

FC3 alls doms
I varied the RAM amounts and that didn't fix it
Switched from EXT3 to EXT2 (shutoff kjournald) - still crashed
A process called "swapper" seems to be part of the problem
The bug happens while running specjbb (2000 and 2005)
My settings for that are..
   1 thread for 10 minutes @ 256 to 1500 MB (ran several tests)
I run this test multiple times, eventually the system crashes

I think this bug appeared within the past couple weeks, as I went from 6/13 Xen-
unstable to 6/28 Xen-unstable.  And only noticed the problem since 7/6.




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