Comment 29 for bug 1497428

Looks like this has been corrected, from a recent c4.8xl launch:
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[ 0.000000] Linux version 3.13.0-71-generic (buildd@lgw01-09) (gcc version 4.8.2 (Ubuntu 4.8.2-19ubuntu1) ) #114-Ubuntu SMP Tue Dec 1 02:34:22 UTC 2015 (Ubuntu 3.13.0-71.114-generic 3.13.11-ckt29)
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.13.0-71-generic root=UUID=0fbd65e4-a082-4f5a-8392-49add7329657 ro console=tty1 console=ttyS0
[ 0.000000] KERNEL supported cpus:
[ 0.000000] Intel GenuineIntel
[ 0.000000] AMD AuthenticAMD
[ 0.000000] Centaur CentaurHauls
[ 0.000000] e820: BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009dfff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009e000-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000efffffff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000fc000000-0x00000000ffffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x0000000f0fffffff] usable
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Debug module output (for reference);
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[6409565.542433] lp1497428: module verification failed: signature and/or required key missing - tainting kernel
[6409565.565990] pageblock_nr_pages 0x200
[6409565.568026] node 0 zone 0 info:
[6409565.569761] node 0 zone 0 provided page pfn 0xfff valid 1 present 1
[6409565.572417] node 0 zone 0 start pfn 0xe00 valid 1 present 1
[6409565.574936] node 0 zone 0 end pfn 0xfff valid 1 present 1
[6409565.577453] node 0 zone 0 page ffffea000003ffc0 start_page ffffea0000038000 end_page ffffea000003ffc0
[6409565.581422] node 0 zone 0 spans: provided pfn 1 start pfn 1 end pfn 1
[6409565.584305] node 0 zone 0 start pfn 0x1 spanned pages 0xfff end pfn 0x1000
[6409565.587379] node 0 zone 0 present pages 0xf9d managed pages 0xf88
[6409565.590125] node 0 start pfn 0x1 end pfn 0xf18000
[6409565.592238] node 0 normal pageblock multiple
[6409565.594218] node 0 zone 1 info:
[6409565.595756] node 0 zone 1 provided page pfn 0xfffff valid 0 present 0
[6409565.598642] node 0 zone 1 start pfn 0xffe00 valid 0 present 0
[6409565.601218] node 0 zone 1 end pfn 0xfffff valid 0 present 0
[6409565.603587] node 0 zone 1 page ffffea0003ffffc0 start_page ffffea0003ff8000 end_page ffffea0003ffffc0
[6409565.607428] node 0 zone 1 spans: provided pfn 1 start pfn 1 end pfn 1
[6409565.610296] node 0 zone 1 start pfn 0x1000 spanned pages 0xff000 end pfn 0x100000
[6409565.613730] node 0 zone 1 present pages 0xef000 managed pages 0xea2d3
[6409565.616697] node 0 start pfn 0x1 end pfn 0xf18000
[6409565.619146] node 0 normal pageblock multiple
[6409565.621321] node 0 zone 2 info:
[6409565.623000] node 0 zone 2 provided page pfn 0xf17fff valid 1 present 1
[6409565.625955] node 0 zone 2 start pfn 0xf17e00 valid 1 present 1
[6409565.628808] node 0 zone 2 end pfn 0xf17fff valid 1 present 1
[6409565.631467] node 0 zone 2 page ffffea003c5fffc0 start_page ffffea003c5f8000 end_page ffffea003c5fffc0
[6409565.635675] node 0 zone 2 spans: provided pfn 1 start pfn 1 end pfn 1
[6409565.638791] node 0 zone 2 start pfn 0x100000 spanned pages 0xe18000 end pfn 0xf18000
[6409565.642571] node 0 zone 2 present pages 0x679100 managed pages 0x65aded
[6409565.645714] node 0 start pfn 0x1 end pfn 0xf18000
[6409565.648024] node 0 normal pageblock multiple
[6409565.650256] node 1 zone 2 info:
[6409565.651940] node 1 zone 2 provided page pfn 0xf0ffff valid 1 present 1
[6409565.654851] node 1 zone 2 start pfn 0xf0fe00 valid 1 present 1
[6409565.657571] node 1 zone 2 end pfn 0xf0ffff valid 1 present 1
[6409565.660316] node 1 zone 2 page ffffea003c3fffc0 start_page ffffea003c3f8000 end_page ffffea003c3fffc0
[6409565.664331] node 1 zone 2 spans: provided pfn 1 start pfn 1 end pfn 1
[6409565.667235] node 1 zone 2 start pfn 0x779100 spanned pages 0x796f00 end pfn 0xf10000
[6409565.671038] node 1 zone 2 present pages 0x796f00 managed pages 0x7783b2
[6409565.673982] node 1 start pfn 0x779100 end pfn 0xf10000
[6409565.676321] node 1 normal pageblock multiple
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