Joseph,

   I tested the suspend/resume scenario using the 3.10 mainline kernel
and it still fails, although in a different manner.

   Whereas with the 3.2.0-48 kernel, the T60 intermittently fails to
complete the suspend process, leaving the "moon" LED in a fast blink,
with the 3.10 kernel the T60 successfully suspended and resumed from
both text and graphics modes.  However, after the first resume,
switching from the X display on virtual console 7 (vc 7) to the text
display on vc 1 leaves the display completely scrambled.  Switching back
to vc 7, the X display is fine, yet no text display (vc 1-6) is
uncorrupted thereafter.

   These are the suspend/resume results, using my shell program
suspend_until_tonight (which calls rtc_wake), for the 3.2.0-45, 3.2.0-48
and 3.10 kernels, after 3.10 was installed:

    * 3.2.0-45 kernel
       o sleep_until_tonight text: pass
       o sleep_until_tonight graphics: pass

    * 3.2.0-48 kernel
       o sleep_until_tonight text: pass
       o sleep_until_tonight graphics: pass

    * 3.10 kernel
       o sleep_until_tonight text: fail
          + Video corrupted when switching to vc1, after resume
       o sleep_until_tonight graphics: fail
          + Video corrupted when switching to vc1, after resume


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https://bugs.launchpad.net/bugs/1195908

Title:
  Linux 3.2.0-48 Kernel Fails to Suspend

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