lkd> !dd 0e5806a0
Physical memory read at e5806a0 failed
If you know the caching attributes used for the memory,
try specifying [c], [uc] or [wc], as in !dd [c] <params>.
WARNING: Incorrect use of these flags will cause unpredictable
processor corruption. This may immediately (or at any time in
the future until reboot) result in a system hang, incorrect data
being displayed or other strange crashes and corruption.
lkd> !dd [c] 0e5806a0
Physical memory read at e5806a0 failed
lkd> !dd [uc] 0e5806a0
Physical memory read at e5806a0 failed
lkd> !dd [wc] 0e5806a0
Physical memory read at e5806a0 failed