Hello again. After doing my first bisection, I found the offending
commit to be:

commit 7afe1845dd1e7c90828c942daed7e57ffa7c38d6
Author: Sameer Nanda <[email protected]>
Date: Mon Jul 25 17:13:29 2011 -0700

>init: skip calibration delay if previously done
>
>For each CPU, do the calibration delay only once. For subsequent calls,
>use the cached per-CPU value of loops_per_jiffy.
>
>This saves about 200ms of resume time on dual core Intel Atom N5xx based
>systems. This helps bring down the kernel resume time on such systems
>from about 500ms to about 300ms.

Now, not being familiar with ubuntu's (or anyone's) development process,
I'm a bit confused as to which kernel version this occurred in. Before I
tried bisect, I just compiled a few of the tagged revisions and
concluded the faulty patch was committed sometime in October or November
in kernel version 3.1.0-1.1, after 3.1.0-1.0. Then when I performed the
bisection, the kernel version according to Makefile was 3.0.0, and the
commits were dated around July.

Is the commit number applicable to mainline git repository (the
bisection was done on a clone of ubuntu-precise repo), or do I need a
translation to mainline git commit numbers?

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https://bugs.launchpad.net/bugs/1007841

Title:
  sky2 driver (Marvell Ethernet devices) problem after resume

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