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Re: debian squeeze amd64 recent frequent crashes

Be sure to take the RAM out and reseat it by putting it back in. While the RAM is out, You could try hitting the RAM slots with some electronic contact cleaner too. Not color TV tuner cleaner. Electronic contact cleaner.

On 2013/2/6 2:50 PM, Jim Green wrote:

On 6 February 2013 13:13, Kelly Clowers <kelly.clowers@gmail.com> wrote:

On Wed, Feb 6, 2013 at 8:42 AM, Jim Green
<student.northwestern@gmail.com> wrote:

my debian squeeze amd64 has served me well for past 2/3 years. I
struggled a few days with recent frequent crashes and hope to get some
help from the list. I already downgraded from bpo kernel 3.6 to stock
2.32 kernel but didn't help.. I tried running memtest86 but it freezes
as shown in the below log. Could someone share some procedures how to
fix this?..


Yeah, if Memtest86 is crashing/freezing, you need to start replacing hardware.

Start with the RAM. If you are using multiple sticks, you could try
taking them out and testing them one by one. If you have some other
known good RAM you could test with it to verify that it is the RAM and
not the motherboard/CPU/power. RAM is most likely though.


I managed to use memtester to get some diagnosis. it gave me tons of failures.

my RAM is a set of 4x8G GSkill
   http://www.newegg.com/Product/Product.aspx?Item=N82E16820231490

it is too bad they failed in half a year. should not save a few bucks
on this brand..


  % sudo memtester 30000
memtester version 4.1.3 (64-bit)
Copyright (C) 2010 Charles Cazabon.
Licensed under the GNU General Public License version 2 (only).

pagesize is 4096
pagesizemask is 0xfffffffffffff000
want 30000MB (31457280000 bytes)
got  30000MB (31457280000 bytes), trying mlock ...locked.
Loop 1:
   Stuck Address       : testing   0FAILURE: possible bad address line
at offset 0x20af2783.
Skipping to next test...
   Random Value        : ok
FAILURE: 0xf0b6c16d8e202230 != 0xe0b6c16d8e202230 at offset 0x06345f83.
FAILURE: 0x86477452228cbcbe != 0xa6477452228cbcbe at offset 0x20b01985.
FAILURE: 0xc8afe26b8d01d1ed != 0xd8afe26b8d01d1ed at offset 0x20b01f05.
FAILURE: 0x1037683fc596127a != 0x37683fc596127a at offset 0x20b01f83.
FAILURE: 0x286f95f380509108 != 0x86f95f380509108 at offset 0x20e018c1.
FAILURE: 0x18375b375400d4de != 0x8375b375400d4de at offset 0x20e01f83.
FAILURE: 0xa02fd5b38400cc07 != 0x802fd5b38400cc07 at offset 0x20e45945.
FAILURE: 0xe161e82704046d82 != 0xc161e82704046d82 at offset 0x20e45a31.
FAILURE: 0x34264dc30854d783 != 0x24264dc30854d783 at offset 0x20e6a783.
FAILURE: 0x102730680291a71f != 0x2730680291a71f at offset 0x20f36783.
FAILURE: 0x5e625c1c50061114 != 0x4e625c1c50061114 at offset 0x20fb6783.
FAILURE: 0xe07237a92e12ac4a != 0xc07237a92e12ac4a at offset 0x21045a31.
FAILURE: 0x80efd6af2022127c != 0x90efd6af2022127c at offset 0x216d5705.
FAILURE: 0x30277f3ba212af26 != 0x20277f3ba212af26 at offset 0x21a89783.
FAILURE: 0x1327efdb3b203a42 != 0x327efdb3b203a42 at offset 0x21aae783.
FAILURE: 0x306e5bb80208a3b0 != 0x206e5bb80208a3b0 at offset 0x21acd5c7.
FAILURE: 0x4227414b9b88e3c0 != 0x5227414b9b88e3c0 at offset 0x21acd685.
FAILURE: 0x13a17c9d8000eaa0 != 0x3a17c9d8000eaa0 at offset 0x21acd783.
FAILURE: 0x343f25fd1042aded != 0x243f25fd1042aded at offset 0x22979f83.
FAILURE: 0x90b61a9d5201c995 != 0x80b61a9d5201c995 at offset 0x22a01f83.
FAILURE: 0x1026515eaa6bd6ab != 0x26515eaa6bd6ab at offset 0x22a45f83.
FAILURE: 0x1196bde284a8c42d != 0x196bde284a8c42d at offset 0x232c5f83.
   Compare XOR         : FAILURE: 0xf0d991c497c0ce6a !=
0xe0d991c497c0ce6a at offset 0x06345f83.
FAILURE: 0x866a44a92c2d68f8 != 0xa66a44a92c2d68f8 at offset 0x20b01985.
FAILURE: 0xc8d2b2c296a27e27 != 0xd8d2b2c296a27e27 at offset 0x20b01f05.
FAILURE: 0x105a3896cf36beb4 != 0x5a3896cf36beb4 at offset 0x20b01f83.
FAILURE: 0xc052b84f79e175a6 != 0xd052b84f79e175a6 at offset 0x20c18f83.
FAILURE: 0x2892664a89f13d42 != 0x892664a89f13d42 at offset 0x20e018c1.
FAILURE: 0x185a2b8e5da18118 != 0x85a2b8e5da18118 at offset 0x20e01f83.
FAILURE: 0xa052a60a8da17841 != 0x8052a60a8da17841 at offset 0x20e45945.
FAILURE: 0xe184b87e0da519bc != 0xc184b87e0da519bc at offset 0x20e45a31.
FAILURE: 0x34491e1a11f583bd != 0x24491e1a11f583bd at offset 0x20e6a783.
FAILURE: 0x80c9d15b1bd1a3a7 != 0x90c9d15b1bd1a3a7 at offset 0x20ecd783.
FAILURE: 0x104a00bf0c325359 != 0x4a00bf0c325359 at offset 0x20f36783.
FAILURE: 0xe095080037b35884 != 0xc095080037b35884 at offset 0x21045a31.
FAILURE: 0x148abfad94a8d0b0 != 0x48abfad94a8d0b0 at offset 0x21045f05.
FAILURE: 0xa85274699dc7dca3 != 0x885274699dc7dca3 at offset 0x216b6005.
FAILURE: 0x1946090b8bc22ff3 != 0x946090b8bc22ff3 at offset 0x216b6631.
FAILURE: 0xf0e6435395c1aa58 != 0xd0e6435395c1aa58 at offset 0x216d5185.
FAILURE: 0xc486289fea34ed41 != 0xe486289fea34ed41 at offset 0x216d5245.
FAILURE: 0x8112a70629c2beb6 != 0x9112a70629c2beb6 at offset 0x216d5705.
FAILURE: 0xd31207bb0ab8e25f != 0xc31207bb0ab8e25f at offset 0x216d57d1.
FAILURE: 0x304a4f92abb35b60 != 0x204a4f92abb35b60 at offset 0x21a89783.
FAILURE: 0x30912c0f0ba94fea != 0x20912c0f0ba94fea at offset 0x21acd5c7.
FAILURE: 0x424a11a2a5298ffa != 0x524a11a2a5298ffa at offset 0x21acd685.
FAILURE: 0x13c44cf489a196da != 0x3c44cf489a196da at offset 0x21acd783.
FAILURE: 0x5a49b56c71a43880 != 0x4a49b56c71a43880 at offset 0x21bd5705.
FAILURE: 0x3461f65419e35a27 != 0x2461f65419e35a27 at offset 0x22979f83.
FAILURE: 0xd0482c4d89a8d8a4 != 0xc0482c4d89a8d8a4 at offset 0x22a01e31.
FAILURE: 0x18268de511a8dc03 != 0x8268de511a8dc03 at offset 0x22a01e85.
FAILURE: 0x104921b5b40c82e5 != 0x4921b5b40c82e5 at offset 0x22a45f83.
FAILURE: 0x99478d5809e1a257 != 0x89478d5809e1a257 at offset 0x22a98f05.
FAILURE: 0xd25885b471e2cdd8 != 0xc25885b471e2cdd8 at offset 0x22aae705.
FAILURE: 0x804910da0a84e637 != 0x904910da0a84e637 at offset 0x2316a783.
FAILURE: 0x11b98e398e497067 != 0x1b98e398e497067 at offset 0x232c5f83.
   Compare SUB         : FAILURE: 0xe171783a2d833c38 !=
0x2171783a2d833c38 at offset 0x06345f83.
FAILURE: 0x794b3056116fabf4 != 0x594b3056116fabf4 at offset 0x06376185.
FAILURE: 0x67ba5f8dcef35a6c != 0x47ba5f8dcef35a6c at offset 0x063a4985.
FAILURE: 0xc6245da6b2c64a4 != 0x4c6245da6b2c64a4 at offset 0x06af2685.
FAILURE: 0x4aa6673bf321ba0 != 0x44aa6673bf321ba0 at offset 0x06af2705.
FAILURE: 0x72b009095ade2c50 != 0x32b009095ade2c50 at offset 0x06af2783.
FAILURE: 0x8b2d199458f82574 != 0xb2d199458f82574 at offset 0x06b11185.
FAILURE: 0x5881769d72686db0 != 0xd881769d72686db0 at offset 0x06b11245.
FAILURE: 0x2a3a79661d4052a8 != 0xea3a79661d4052a8 at offset 0x06b89783.
FAILURE: 0x20db7361731722a0 != 0xa0db7361731722a0 at offset 0x20b01985.
FAILURE: 0xd981570f5b04a2c0 != 0x1981570f5b04a2c0 at offset 0x20b01e45.
FAILURE: 0x82a4e03c7dd2aaf0 != 0xc2a4e03c7dd2aaf0 at offset 0x20b01f83.
FAILURE: 0x753e17405a65186c != 0x553e17405a65186c at offset 0x20bc5985.
FAILURE: 0x3b7e541ea18c4688 != 0xfb7e541ea18c4688 at offset 0x20c18f83.
FAILURE: 0x799c4ab87d1dc158 != 0xf99c4ab87d1dc158 at offset 0x20e018c1.
FAILURE: 0xbc9cef9f2ab2e820 != 0xfc9cef9f2ab2e820 at offset 0x20e01f83.
FAILURE: 0xf6d108b97437682c != 0x76d108b97437682c at offset 0x20e45945.
FAILURE: 0x1df849d3a8353850 != 0x9df849d3a8353850 at offset 0x20e45a31.
FAILURE: 0x4a83a71cbcc8ed7c != 0x8a83a71cbcc8ed7c at offset 0x20e6a783.
FAILURE: 0x18b659a20c49abb4 != 0xd8b659a20c49abb4 at offset 0x20ecd783.
FAILURE: 0xa1e20cfdccffc84c != 0xe1e20cfdccffc84c at offset 0x20f36783.
FAILURE: 0xb1bfbeed4087aab0 != 0x31bfbeed4087aab0 at offset 0x21045a31.
FAILURE: 0x350dfe391a39ce40 != 0x750dfe391a39ce40 at offset 0x21045f05.
FAILURE: 0xbfe172f924fba790 != 0x7fe172f924fba790 at offset 0x216726b7.
FAILURE: 0xd86077da041349ec != 0x186077da041349ec at offset 0x21691345.
FAILURE: 0x2645e9680e04e48 != 0xc2645e9680e04e48 at offset 0x21691783.
FAILURE: 0xc2b6d4c66f728304 != 0x42b6d4c66f728304 at offset 0x216b6005.
FAILURE: 0x3cae58f24dd6e4c4 != 0x7cae58f24dd6e4c4 at offset 0x216b6631.
FAILURE: 0xf3392bb09b1e3f20 != 0x73392bb09b1e3f20 at offset 0x216d5185.
FAILURE: 0xc69b7326e8b0842c != 0x469b7326e8b0842c at offset 0x216d5245.
FAILURE: 0xd27f91e163e1a548 != 0x927f91e163e1a548 at offset 0x216d5705.
FAILURE: 0x1dc447669ef04b54 != 0x5dc447669ef04b54 at offset 0x216d57d1.
FAILURE: 0xa386d4169b119480 != 0xe386d4169b119480 at offset 0x21a89783.
FAILURE: 0xfb524b719f34fe38 != 0x3b524b719f34fe38 at offset 0x21acd5c7.
FAILURE: 0x4650473b3077d0f8 != 0x650473b3077d0f8 at offset 0x21acd685.
FAILURE: 0xbbd53c6069945f78 != 0xfbd53c6069945f78 at offset 0x21acd783.
FAILURE: 0xb64fd63e8f860248 != 0xf64fd63e8f860248 at offset 0x21b72645.
FAILURE: 0xde8960a4f8718d54 != 0x5e8960a4f8718d54 at offset 0x21bb6145.
FAILURE: 0x8ea221732944aa7c != 0xcea221732944aa7c at offset 0x21bb6705.
FAILURE: 0x16415f30722de444 != 0x56415f30722de444 at offset 0x21bb67d1.
FAILURE: 0xff56bd92ff503600 != 0x3f56bd92ff503600 at offset 0x21bd5705.
FAILURE: 0xde33780726f189b4 != 0x1e33780726f189b4 at offset 0x22979f83.
FAILURE: 0x2c5d283656295030 != 0x6c5d283656295030 at offset 0x22a01e31.
FAILURE: 0x9826138417704784 != 0xd826138417704784 at offset 0x22a01e85.
FAILURE: 0x4a89a6395c2b505c != 0x8a89a6395c2b505c at offset 0x22a45f83.
FAILURE: 0xf255b634b7b561f4 != 0x3255b634b7b561f4 at offset 0x22a98f05.
FAILURE: 0x2c9fc886fba5d920 != 0x6c9fc886fba5d920 at offset 0x22aae705.
FAILURE: 0xea9e90fda8096c74 != 0xaa9e90fda8096c74 at offset 0x2316a783.
FAILURE: 0x4edc7ca97189aeb4 != 0xcedc7ca97189aeb4 at offset 0x231cd185.
FAILURE: 0x67b9ee842b1a9cb4 != 0xa7b9ee842b1a9cb4 at offset 0x232c5f83.
   Compare MUL         : FAILURE: 0x00000001 != 0x00000000 at offset 0x06345f83.
FAILURE: 0x00000000 != 0x00000001 at offset 0x06b11245.
FAILURE: 0x00000000 != 0x00000001 at offset 0x06b89783.
FAILURE: 0x00000001 != 0x00000000 at offset 0x20b01e45.
FAILURE: 0x00000000 != 0x00000001 at offset 0x20c18f83.
FAILURE: 0x00000000 != 0x00000001 at offset 0x20e018c1.
FAILURE: 0x00000000 != 0x00000001 at offset 0x20e01f83.
FAILURE: 0x00000001 != 0x00000000 at offset 0x20e45945.
FAILURE: 0x00000000 != 0x00000001 at offset 0x20ecd783.
FAILURE: 0x00000000 != 0x00000001 at offset 0x20f36783.
FAILURE: 0x00000001 != 0x00000000 at offset 0x21691345.
FAILURE: 0x00000001 != 0x00000000 at offset 0x216d5185.
FAILURE: 0x00000000 != 0x00000001 at offset 0x21a89783.
FAILURE: 0x00000001 != 0x00000000 at offset 0x21acd5c7.
FAILURE: 0x00000000 != 0x00000001 at offset 0x21acd783.
FAILURE: 0x00000000 != 0x00000001 at offset 0x21b72645.
FAILURE: 0x00000001 != 0x00000000 at offset 0x21bb6145.
FAILURE: 0x00000001 != 0x00000000 at offset 0x21bd5705.
FAILURE: 0x00000001 != 0x00000000 at offset 0x22979f83.
FAILURE: 0x00000000 != 0x00000001 at offset 0x22a01e85.
FAILURE: 0x00000001 != 0x00000000 at offset 0x22a98f05.
FAILURE: 0x00000001 != 0x00000000 at offset 0x2316a783.
   Compare DIV         : FAILURE: 0x7ff5b6597fffe283 !=
0x7ff5b6597fffe282 at offset 0x06345f83.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x06b11245.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x06b89783.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x20b01e45.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x20c18f83.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x20e018c1.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x20e01f83.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x20e45945.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x20ecd783.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x20f36783.
FAILURE: 0x6ff5b6597fffe282 != 0x7ff5b6597fffe282 at offset 0x2145cf83.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x21691345.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x216d5185.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x21a89783.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x21acd5c7.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x21acd783.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x21b72645.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x21bb6145.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x21bd5705.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x22979f83.
FAILURE: 0x7ff5b6597fffe282 != 0x7ff5b6597fffe283 at offset 0x22a01e85.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x22a98f05.
FAILURE: 0x7ff5b6597fffe283 != 0x7ff5b6597fffe282 at offset 0x2316a783.
   Compare OR          : FAILURE: 0x7bf496496f91c203 !=
0x7bf496496f91c202 at offset 0x06345f83.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x06b11245.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x06b89783.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x20b01e45.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x20c18f83.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x20e018c1.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x20e01f83.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x20e45945.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x20ecd783.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x20f36783.
FAILURE: 0x6bf496496f91c202 != 0x7bf496496f91c202 at offset 0x2145cf83.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x21691345.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x216d5185.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x21a89783.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x21acd5c7.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x21acd783.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x21b72645.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x21bb6145.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x21bd5705.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x22979f83.
FAILURE: 0x7bf496496f91c202 != 0x7bf496496f91c203 at offset 0x22a01e85.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x22a98f05.
FAILURE: 0x7bf496496f91c203 != 0x7bf496496f91c202 at offset 0x2316a783.
   Compare AND         :   Sequential Increment: ok
   Solid Bits          : testing   0FAILURE: 0x2000000000000000 !=
0x00000000 at offset 0x06b11185.
   Block Sequential    : testing  16FAILURE: 0x10101010101010 !=
0x1010101010101010 at offset 0x06385f83.
FAILURE: 0x10101010101010 != 0x1010101010101010 at offset 0x20b20f83.
   Checkerboard        : testing   1FAILURE: 0x4555555555555555 !=
0x5555555555555555 at offset 0x20c3df83.
FAILURE: 0x4555555555555555 != 0x5555555555555555 at offset 0x216b6783.
FAILURE: 0x4555555555555555 != 0x5555555555555555 at offset 0x228e4f83.
FAILURE: 0x4555555555555555 != 0x5555555555555555 at offset 0x22a20f83.
   Bit Spread          : testing  58FAILURE: 0xfbffffffffffffff !=
0xebffffffffffffff at offset 0x03ac17d1.
   Bit Flip            : testing   1FAILURE: 0xeffffffffffffffe !=
0xfffffffffffffffe at offset 0x20ff2783.
   Walking Ones        : testing   8FAILURE: 0xdffffffffffffeff !=
0xfffffffffffffeff at offset 0x22e6a231.
FAILURE: 0xeffffffffffffeff != 0xfffffffffffffeff at offset 0x22e6a783.
   Walking Zeroes      : testing   0FAILURE: 0x1000000000000001 !=
0x00000001 at offset 0x063a4f05.
FAILURE: 0x1000000000000001 != 0x00000001 at offset 0x20e45f05.
FAILURE: 0x1000000000000001 != 0x00000001 at offset 0x22a11705.
FAILURE: 0x1000000000000001 != 0x00000001 at offset 0x22a20f05.
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