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I can run it in safe mode and get the root prompt, but if I let it boot normally I just get a black screen. A similar question was asked here:

PC does not restart after last kernel update

but I don't have a Nvidia graphics card. I am able to boot 3.2.0-43 just fine.

I did find this error in the kernel.log after trying to boot 3.2.0-51:

Aug 11 12:03:26 iceman kernel: [2.672181] [drm] MTRR allocation failed.  Graphics performance may suffer.
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  1. Boot to your root prompt.
  2. # lspci -vvk >> ~/devices.txt
  3. Post the devices.txt file here.
  4. Build your own kernel making sure to use menuconfig for your arch.

Be sure to enable MTRR for your system and possibly your VGA adapter. Look for this option in menuconfig:

Processor type and features  --->
[*] MTRR (Memory Type Range Register) support
 [*]   MTRR cleanup support 
 (1)     MTRR cleanup enable value (0-1)
 (1)     MTRR cleanup spare reg num (0-7)
[*]   x86 PAT support 

If those options are enabled, you need to enable the kernel command line options for your vga device. See Here. Yes, the Distro is different, but the concept is the same.

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Thanks for the the response E Carter Young, but later kernels fixed my issue and I no longer have the setup to test any further. – gaucho Apr 14 '14 at 17:46

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