Summary:

- opened bugme for kernel oops while running memtest for > 10hrs 
  (but unfortunately there is no dump as kernel didn't panic.

  http://bugme.osdl.org/show_bug.cgi?id=4653

- Couldn't trigger dump using sysrq-c when system was forced to deadlock
  with irq disabled but could use nmi_watchdog and was able to
  take the dump

- Also observed the bugme 4631 
  http://bugme.osdl.org/show_bug.cgi?id=4631

Details and Dump analysis:
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