Re: Fedora 36: suspend failed with "PM: Some devices failed to suspend, or early wake event detected"

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On Wed, 14 Sep 2022 20:30:11 +0200
Dario Lesca <d.lesca@xxxxxxxxxx> wrote:

> Il giorno mer, 14/09/2022 alle 08.31 -0700, stan via users ha scritto:
> > Summary: You have to either issue a sync before suspend, or turn on
> > autosync in the kernel before suspend.  
> 
> Thanks stan, I will try one of proposed solution.
> 
> A little question: why is this not the default behavior?

I don't know the answer.  Apparently there were issues at some point
with this switch, so it was made optional.  I don't even have the
sync_on_suspend file on my system, though that might be because I don't
use suspend. You could check in the /boot/config files what it is set at
for your system kernel by
grep -i suspend /boot/config* | less

I have
# CONFIG_SUSPEND is not set
CONFIG_USB_AUTOSUSPEND_DELAY=2

But my kernel is custom configured, so you should check your kernels.
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