[Bug 651370] Re: ec2 kernel crash invalid opcode 0000 [#1]

[Brandon Black]

I forgot to add above: on the E5410 c1.xlarge's that do boot successfully, the kernel output contains:

Oct 26 07:37:55 ip-10-243-51-207 kernel: [    0.210255] intel_idle: MWAIT substates: 0x2220
Oct 26 07:37:55 ip-10-243-51-207 kernel: [    0.210257] intel_idle: does not run on family 6 model 23

Which I believe means that intel_idle figured out that it needs to
disable itself on these.  The E5506's are model 26 rather than 23.  The
intel_idle code has a case statement that switches on this model number.
Model 23 (0x17) is commented out for "FUTURE_USE" and thus falls through
to the "does not run" condition with the output above.  Model 26 (0x1A)
has a case statement and will attempt to use intel_idle support.

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ec2 kernel crash invalid opcode 0000 [#1]
https://bugs.launchpad.net/bugs/651370
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