Comment 58 for bug 767975

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Jose Bernardo (bernardo-bandos) wrote : Re: Video does not return after sleep with AMD E-350 Fusion APU and ATI closed driver (Natty Narwal Beta)

Correction - Now I've been able to resume from "deep sleep" a few times, and I've had a hang on resume when resuming from a "light" suspend. The only difference is that when it hangs after a "deep sleep", I need to take the battery out to be able to use the netbook again, as it will stay in the hang (wifi and on led on) when I power it on otherwise.
I don't know what else to do to trace this. "acpi_sleep=s3_bios" fixes the resume most times, but there are still some ocasions (I'd say one in ten) where it will hang.
Any ideas?