On Fri August 25 2006 11:03, Peter Roopnarine wrote: > Hi, > I hope that someone out there can help me. I have an 8-way Opteron > running Fedora 5. Yesterday I attempted to add 8 Gb of ECC RAM to the > current 8 Gb of ECC RAM, and upon selecting the OS from the GRUB menu got a > kernel panic screen. I've since removed the new RAM, returning the memory > configuration to exactly the starting state, and still no luck. I've also > tried to run memtest86 but it hangs, and I cannot boot into linux rescue > mode. The message that I get there is: > kernel direct mapping tables up to 200000000 @ 8000-8000 > PANIC: early exception rip ffffffff801172db error 0 cr2 ffffffffff5fd023 > PANIC: early exception rip ffffffff801172db error 0 cr2 ffffffffff5fd023 > > The system reports 7166 MB of memory present. I am going to try the memory > modules one at a time, and hope that the problem lies there. A different > hardware problem would not be good, and a hard disk problem would be > horrible. > Thanks for any help! I suppose the memory sockets are spotlessly clean? I have in the past taken out a RAM module only to have a speck of (insulating) dust fall into the socket. Replacing the same RAM back into the same slot gave a memory failure that caused me no end of heart attacks and general grief. FWIW Dave > -- > Dr. Peter D. Roopnarine, Assoc. Curator > Department of Invertebrate Zoology & Geology > California Academy of Sciences > 875 Howard St. > San Francisco CA 94103 > > Phone: (415) 321-8271 > FAX: (415) 321-8615 > WWW: http://www.calacademy.org/research/izg/roopnarine/peter.htm > "there's a mansion on the hill" -- I found one day in school a boy of medium size ill-treating a smaller boy. I expostulated, but he replied: 'The bigs hit me, so I hit the babies; that's fair.' In these words he epitomized the history of the human race. -Bertrand Russell in Education and the Social Order
