[Xen-bugs] [Bug 1117] SMP VISTA HVM guest might be blue screen when doing large I/O in dom0

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1117





------- Comment #3 from yongkang.you@xxxxxxxxx  2007-12-03 22:47 -------
Some internal engineer's analysis information copied here:
-----------------------
When cpu0 donâ??t run for a long time, and when it get a chance to run, it
received KiClockKeepAliveCycle * 3 timer interrupts, it will check the time
slot of cpu1 for two times. In the meantime, VCPU1 donâ??t get a chance to run
or donâ??t get a timer interrupt when it get to run. In this condition, the
BSOD will occur. This means an expected clock interrupt was not received on a
secondary processor in an MP system within the allocated interval. This
allocated interval equal 0x61*3=291 timer interrupts. 


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