Attachment #118740
This time dmesg shows Corrupted low memory at ffff88000000f000 (f000 phys) = 00033482 text/plain 2015-10-07 17:58:58 UTC 79.69 KB no flags Details
Attachment #118741
After restart into Kernel 4.2.3 dmesg now shows no obvious problems, but bench still slow text/plain 2015-10-07 18:06:12 UTC 72.16 KB no flags Details
Attachment #118743
Xorg.log text/plain 2015-10-07 21:36:10 UTC 86.19 KB no flags Details

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