I've tried Hardy Heron alpha 2 and everything ( wifi + suspend from resume )
works again.
Thanks !
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Resume from suspend and wifi don't work anymore with kernel 2.6.22
https://bugs.launchpad.net/bugs/139902
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Bugs, which is
Public bug reported:
Binary package hint: linux-image-2.6.22-11-generic
Resume from suspend and wifi worked with feisty on my laptop ACER
1642ZWLMI but don't work anymore after an upgrade to gutsy and its
kernel 2.6.22.10 or 2.6.22.11. However, using feisty kernel 2.6.20.16,
everything work,