Re: [BUG] 3.10 regression: hang on suspend

[Arend van Spriel]

On 07/16/2013 09:34 AM, Ortwin Glück wrote:
> On 16.07.2013 08:56, Stanislaw Gruszka wrote:
> > Apparently this commit changed suspend procedure on mac80211, but it's
> > not obvious for me why it hangs :-(
>
> Hangs are hard :-) It just sits there with a black screen and a white
> cursor in the top left corner...
>
> > What is your user space configuration (are you using NM or other
> > software or maybe just wpa_supplicant)? Are you using wowlan?
> > If you do add no_console_suspend boot parameter does it print some
> > diagnostic messages during suspend before the hang ?
>
> Yes, I am using NM under KDE, with KDE triggered suspend. No wowlan
> AFAIK. The last thing I see in the log is something from NetworkManager
> that sees the device switching off. I can try again tonight and give you
> the exact message.
>
> I will also try without NM and bare wpa_supplicant and a plain suspend
> through sysfs.
>
> Any debug options you want me to enable? Netconsole won't work however...

Can you get more debug info if you try (as root/sudo -i):

echo devices > /sys/power/pm_test
echo mem > /sys/power state

Regards,
Arend

> Ortwin
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