Dear All, I have in-kernel memtest enabled. It lets me know it's there at boot time by writing the stuff I've appended below to /var/log/messages. But can I expect it to write something to a log anywhere if and when it finds and isolates any faulty RAM? -- Thanks, Dan 2011-05-08T12:29:09.957840+01:00 hydrographer kernel: [ 0.000000] early_memtest: # of tests: 17 2011-05-08T12:29:09.957865+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 0000000000000000 2011-05-08T12:29:09.957888+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 0000000000000000 2011-05-08T12:29:09.957911+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 0000000000000000 2011-05-08T12:29:09.957956+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 0000000000000000 2011-05-08T12:29:09.957981+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 0000000000000000 2011-05-08T12:29:09.958004+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern ffffffffffffffff 2011-05-08T12:29:09.958027+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern ffffffffffffffff 2011-05-08T12:29:09.958051+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern ffffffffffffffff 2011-05-08T12:29:09.958075+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern ffffffffffffffff 2011-05-08T12:29:09.958097+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern ffffffffffffffff 2011-05-08T12:29:09.958121+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 5555555555555555 2011-05-08T12:29:09.958908+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 5555555555555555 2011-05-08T12:29:09.958988+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 5555555555555555 2011-05-08T12:29:09.959015+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 5555555555555555 2011-05-08T12:29:09.959039+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 5555555555555555 2011-05-08T12:29:09.959063+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern aaaaaaaaaaaaaaaa 2011-05-08T12:29:09.959087+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern aaaaaaaaaaaaaaaa 2011-05-08T12:29:09.959109+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern aaaaaaaaaaaaaaaa 2011-05-08T12:29:09.959132+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern aaaaaaaaaaaaaaaa 2011-05-08T12:29:09.959155+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern aaaaaaaaaaaaaaaa 2011-05-08T12:29:09.959178+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 1111111111111111 2011-05-08T12:29:09.959201+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 1111111111111111 2011-05-08T12:29:09.959245+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 1111111111111111 2011-05-08T12:29:09.959271+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 1111111111111111 2011-05-08T12:29:09.959295+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 1111111111111111 2011-05-08T12:29:09.959319+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 2222222222222222 2011-05-08T12:29:09.959342+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 2222222222222222 2011-05-08T12:29:09.959366+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 2222222222222222 2011-05-08T12:29:09.959496+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 2222222222222222 2011-05-08T12:29:09.959526+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 2222222222222222 2011-05-08T12:29:09.959549+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 4444444444444444 2011-05-08T12:29:09.959568+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 4444444444444444 2011-05-08T12:29:09.959611+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 4444444444444444 2011-05-08T12:29:09.959637+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 4444444444444444 2011-05-08T12:29:09.959661+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 4444444444444444 2011-05-08T12:29:09.959684+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 8888888888888888 2011-05-08T12:29:09.959707+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 8888888888888888 2011-05-08T12:29:09.959731+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 8888888888888888 2011-05-08T12:29:09.959755+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 8888888888888888 2011-05-08T12:29:09.959910+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 8888888888888888 2011-05-08T12:29:09.959939+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 3333333333333333 2011-05-08T12:29:09.959985+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 3333333333333333 2011-05-08T12:29:09.960009+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 3333333333333333 2011-05-08T12:29:09.960032+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 3333333333333333 2011-05-08T12:29:09.960055+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 3333333333333333 2011-05-08T12:29:09.960079+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 6666666666666666 2011-05-08T12:29:09.960102+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 6666666666666666 2011-05-08T12:29:09.960126+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 6666666666666666 2011-05-08T12:29:09.960148+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 6666666666666666 2011-05-08T12:29:09.960172+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 6666666666666666 2011-05-08T12:29:09.960194+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 9999999999999999 2011-05-08T12:29:09.960242+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 9999999999999999 2011-05-08T12:29:09.960268+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 9999999999999999 2011-05-08T12:29:09.960291+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 9999999999999999 2011-05-08T12:29:09.960315+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 9999999999999999 2011-05-08T12:29:09.960339+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern cccccccccccccccc 2011-05-08T12:29:09.960362+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern cccccccccccccccc 2011-05-08T12:29:09.960386+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern cccccccccccccccc 2011-05-08T12:29:09.960410+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern cccccccccccccccc 2011-05-08T12:29:09.960434+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern cccccccccccccccc 2011-05-08T12:29:09.960477+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 7777777777777777 2011-05-08T12:29:09.960503+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 7777777777777777 2011-05-08T12:29:09.960527+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 7777777777777777 2011-05-08T12:29:09.960549+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 7777777777777777 2011-05-08T12:29:09.960572+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 7777777777777777 2011-05-08T12:29:09.960595+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern bbbbbbbbbbbbbbbb 2011-05-08T12:29:09.960618+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern bbbbbbbbbbbbbbbb 2011-05-08T12:29:09.960642+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern bbbbbbbbbbbbbbbb 2011-05-08T12:29:09.960664+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern bbbbbbbbbbbbbbbb 2011-05-08T12:29:09.960687+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern bbbbbbbbbbbbbbbb 2011-05-08T12:29:09.961470+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern dddddddddddddddd 2011-05-08T12:29:09.961501+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern dddddddddddddddd 2011-05-08T12:29:09.961526+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern dddddddddddddddd 2011-05-08T12:29:09.961548+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern dddddddddddddddd 2011-05-08T12:29:09.961571+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern dddddddddddddddd 2011-05-08T12:29:09.961592+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern eeeeeeeeeeeeeeee 2011-05-08T12:29:09.961613+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern eeeeeeeeeeeeeeee 2011-05-08T12:29:09.961635+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern eeeeeeeeeeeeeeee 2011-05-08T12:29:09.961656+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern eeeeeeeeeeeeeeee 2011-05-08T12:29:09.961676+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern eeeeeeeeeeeeeeee 2011-05-08T12:29:09.961719+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 4c494e5558726c7a 2011-05-08T12:29:09.961743+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 4c494e5558726c7a 2011-05-08T12:29:09.961765+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 4c494e5558726c7a 2011-05-08T12:29:09.961831+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 4c494e5558726c7a 2011-05-08T12:29:09.961856+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 4c494e5558726c7a 2011-05-08T12:29:09.961880+01:00 hydrographer kernel: [ 0.000000] early_memtest: wipe out test pattern from memory 2011-05-08T12:29:09.961903+01:00 hydrographer kernel: [ 0.000000] 0000010000 - 000009a000 pattern 0000000000000000 2011-05-08T12:29:09.961927+01:00 hydrographer kernel: [ 0.000000] 000009f000 - 000009fc00 pattern 0000000000000000 2011-05-08T12:29:09.961951+01:00 hydrographer kernel: [ 0.000000] 0000100000 - 0001000000 pattern 0000000000000000 2011-05-08T12:29:09.961996+01:00 hydrographer kernel: [ 0.000000] 000164f244 - 0001b1f000 pattern 0000000000000000 2011-05-08T12:29:09.962021+01:00 hydrographer kernel: [ 0.000000] 0001bf6000 - 00377fe000 pattern 0000000000000000