Re: [PATCH v3] net: jme: fix suspend/resume on JMC260

On Wed, Mar 2, 2016 at 2:14 AM, Guo-Fu Tseng [off-list ref] wrote:

On Wed, 24 Feb 2016 23:58:56 -0500 (EST), David Miller wrote

quoted

From: Diego Viola <redacted>
Date: Tue, 23 Feb 2016 12:04:04 -0300

quoted

The JMC260 network card fails to suspend/resume because the call to
jme_start_irq() was too early, moving the call to jme_start_irq() after
the call to jme_reset_link() makes it work.

Prior this change suspend/resume would fail unless /sys/power/pm_async=0
was explicitly specified.

Relevant bug report: https://bugzilla.kernel.org/show_bug.cgi?id=112351

Signed-off-by: Diego Viola <redacted>

Applied and queued up for -stable, thanks.

Just reviewed it, it should have no side effect.

Thanks David, Diego.

Guo-Fu Tseng

Hi all,

I'm having another issue with jme and I'm not sure if it's related to
the same issue with suspend/resume, but the problem now is WoL.

Let me try to describe the problem a bit:

I put my machine to sleep in S3 and I send WoL packets from a laptop,
and the machine doesn't wake up at all, I tried inspecting packets
with tcpdump and nothing shows up in the tcpdump output.

When the machine is in working state, and I send WoL packets and I
initiate a S3, it refuses to go in sleep mode.

I tried the same in Windows (waking up from S3 via WoL) and it works there.

Does anyone have any ideas what the problem can be? I talked with Guo
and he suspects the problem is motherboard failure, I also think the
issue can be a BIOS bug since I hear so many horror stories about AMI
BIOS issues with Linux.

But it's still a mystery to me given all these conditions I mentioned.

Diego