Re: [patch 61/66] timers: Convert to hotplug state machine

[Jon Hunter]

Hi Richard,

On 26/07/16 15:40, rcochran@xxxxxxxxxxxxx wrote:
> Jon,
> 
> On Tue, Jul 26, 2016 at 10:20:58AM +0100, Jon Hunter wrote:
>> Thanks. I have not tried another ARM based device, but I would be
>> curious if another ARM device sees this or not.
> 
> I do see this stall on socfpga and on zynq, but in both cases the
> suspend mechanism is flakey in other ways, too.  At least I can
> reproduce the stall sometimes.
> 
> In your other mail you wrote that you test it like this:
> 
>    rtcwake -d rtc1 -m mem -s 3
> 
> But the stall appears only after 20 seconds.  So the resume event
> after three seconds (-s 3) is getting lost, right?

I don't think so. I noticed that when the stall occurs, I don't see the
board attempt to transition to the Tegra LP1 power state in suspend and
appears to wake up straight away. So I think the wake-up is seen, but
the stall prevents it from transitioning all the way to LP1.

Cheers
Jon

-- 
nvpublic