So, here's something funny.  The suspend/resume failures started
happening for me on September 20, almost exactly 3 years after I'd
gotten the machine; and was reproducible with older kernels and OSes
that had previously worked fine.  I had joked that maybe the BIOS had a
time bomb in it, or just knew its time was up because I was due for a
laptop refresh, and decided to try setting the BIOS clock back to before
September 20th to see if it made any difference.

I set the BIOS clock back exactly 3 months, to September 2.  I have now
had 8 successful suspend/resumes in a row with no problems.  After the
third suspend/resume, I set the clock back to the current date and the
problem has still not recurred.

I have no idea why this actually made a difference, of course; but it
seems to have done so.

I guess this bug should be closed as invalid, unless you're interested
in having me poke this BIOS harder, Colin.

** Changed in: linux (Ubuntu)
       Status: Confirmed => Invalid

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https://bugs.launchpad.net/bugs/1228406

Title:
  [LENOVO 3249CTO] suspend/resume failure

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