With regards to getting to grub after a suspend/resume fail, this is
apparently a BIOS bug in the 1215B and, as you say, removing the battery
and AC is the only way to get past it. I've seen it mentioned elsewhere,
so this is not an isolated issue.  I'm not 100% certain, but I believe I
have also run into the issue when a shutdown does not complete properly
(sometimes it hangs with the power still on but the OS otherwise
shutdown).

3.0.0-8 is the latest mainline kernel I have tried, it booted fine but
did not improve the suspend/resume situation so I haven't been using it.

Curiously I have just discovered that suspend/resume works flawlessly
under Mint 11, which is based off of Natty (11.04).  I have not looked
into what the specific differences are, but I haven't been able to get
suspend/resume to work consistently under Natty so Mint must have fixed
something.  Mint 12 is in the release candidate stage and I am tempted
to try it to see if suspend/resume works properly under it too.  I have
also tried Squeeze (current Debian stable) and found that suspend/resume
did not work consistently under it either.

I have ruled out that the problem is the wireless driver (I'm using
brcm80211).  It also seems to fail at a consistent rate with either the
radeon or fglrx drivers so I don't think either of them are involved.

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https://bugs.launchpad.net/bugs/856711

Title:
  11.10 - Suspend fails on Asus 1215B

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