linux-kernel - Re: Computer fails to resume from suspend unless I rmmod jme before initiating the suspend

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Date:	Sun, 6 Mar 2016 22:35:45 -0300
From:	Diego Viola <diego.viola@...il.com>
To:	Guo-Fu Tseng <cooldavid@...ldavid.org>
Cc:	Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Computer fails to resume from suspend unless I rmmod jme before
 initiating the suspend

On Wed, Mar 2, 2016 at 2:04 AM, Guo-Fu Tseng <cooldavid@...ldavid.org> wrote:
> Dear Diego and who concerns about this driver:
>
> Thanks for reporting it. I can still provide some help, but it's just I'm quite busy.
> So that you have not seem me sending patch for a long time.
>
> I wrote this driver when I wan an intern in JMicron during one of my summer vacation
> while I'm still student in 2008. And form that point, I do the maintenance just
> for fun, not taking any money from them.
>
> JMicron stopped contact me for a long time, and Diego told me that JMicron told him
> this chip was EOL 6 years ago.
>
> I have a confidential spec of this chip. I can still provide some help.
>
> Diego is working closely with me for this issue right now.
>
> On Mon, 22 Feb 2016 11:09:07 +0100, Pavel Machek wrote
>> Hi!
>>
>> > >>>> Every time I initiate a suspend (systemctl suspend) the machine hangs
>> > >>>> at resume unless I unload the jme driver.
>>
>> It seems to have some kind of suspend/resume support. ... and it is
>> rather complex.
>>
>> Maybe jme_start_irq(jme) should be moved to the end of jme_resume
>> function?
>>
>> > > So I found that disabling async as in:
>> > >
>> > > $ echo 0 > /sys/power/pm_async
>> > >
>> > > Helps with my issue, I can't reproduce the hang anymore, tried
>> > > suspend/resume almost ~15 times.
>> > >
>> > > Diego
>> >
>> > Can someone please help?
>>
>>                                                                       Pavel
>> --
>> (english) http://www.livejournal.com/~pavelmachek
>> (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
>
>
> Guo-Fu Tseng

Dear Guo,

I just wanted to say thank you for helping me fix the issues I had
with this driver. Thank you! You're awesome. :D

Diego