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SubjectRe: Power Management Update

This is boggling.

> standby/S1 or mem/S3 make the kernel oops and hangs. Call strace:
> enter_state
> suspend_prepare
> enter_state

Is there anyway that you remember what the Oops was (i.e. the few lines
above the back trace)?

Also, could you please confirm that you're using 2.6.0-test4 + the PM
patches I posted last Saturday + the patch I posted yesterday? I trust
that you are, however I cannot reproduce the Oops at all.

The Oops looks the one that was present in -test4 initially, but why
you're able to at least begin a suspend-to-disk transition doesn't make
sense.

> Before the patch, S1 and S3 would have the screen blink and computer
> immediately resume to normal operation. Sometimes, S1 would actually
> standby (screen lit and hard disk spinning, though) waiting for a
> keypress.

Based on your dmesg here:

http://perso.nerim.net/~tudia/bug-reports/2.6.0-pre4-pm

Your system does not support S3, so returning immediately would be the
proper thing to do. I will continue to investigate.

Thanks for testing,


Pat

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