From: Diego Viola <diego.viola@gmail.com>
To: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>,
linux-kernel@vger.kernel.org, davem@davemloft.net,
netdev@vger.kernel.org, cooldavid@cooldavid.org
Subject: Re: [PATCH] jme: remove the jme driver as it is no longer maintained
Date: Sun, 21 Feb 2016 14:17:23 -0300 [thread overview]
Message-ID: <CA+ToGPEQwdOvgN3OHEjHLrnAyQsCR7zHzvtHmYeKZzoq26ehjQ@mail.gmail.com> (raw)
In-Reply-To: <20160221124506.00237916@lxorguk.ukuu.org.uk>
On Sun, Feb 21, 2016 at 9:45 AM, One Thousand Gnomes
<gnomes@lxorguk.ukuu.org.uk> wrote:
>> I would appreciate some hint from someone who is more experienced with drivers.
>
> Start by testing
>
> - loading the driver as a module
> - using the networking
> - unloading the module (and checking it stays unloaded!)
>
> then suspend/resume
>
> If that works then you have a good starting point because you know a
> sequence of actions that suspends properly. If it fails then it's going
> to be rather more fun because it implies something in the hardware has
> not been properly shut down.
>
> Alan
Hi Alan,
Thanks for your email, did you see my bug report? Because I tried all
this already.
The only workarounds I've found to work is one of these:
$ rmmod jme # before suspend
or
$ ip link set ens34 down
or
$ echo 0 > /sys/power/pm_async # disable async power management
Then resume works fine (I can't reproduce the hang).
I'm not a C developer nor a kernel developer, I tried looking at the
jme.c driver code but it's not clear what is broken and what needs
fixing, so I would appreciate someone more experienced looking at the
issue and giving me an idea or two.
Thanks,
Diego
next prev parent reply other threads:[~2016-02-21 17:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-20 21:20 [PATCH] jme: remove the jme driver as it is no longer maintained Diego Viola
2016-02-21 0:16 ` David Miller
2016-02-21 0:33 ` Diego Viola
[not found] ` <20160221124506.00237916@lxorguk.ukuu.org.uk>
2016-02-21 17:17 ` Diego Viola [this message]
2016-02-23 1:38 ` Diego Viola
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