linux-kernel - Re: 3.12: ethernet controller missing after resuming from suspend to RAM

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Message-ID: <52F4179C.70400@gmail.com>
Date:	Fri, 07 Feb 2014 00:15:40 +0100
From:	Bastien Traverse <bastien.traverse@...il.com>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Francis Moreau <francis.moro@...il.com>
CC:	linux-kernel@...r.kernel.org,
	Linux PM list <linux-pm@...r.kernel.org>
Subject: Re: 3.12: ethernet controller missing after resuming from suspend
 to RAM

Le 06/02/2014 08:38, Francis Moreau a écrit :
> I'm still leaving with this issue since my initial posting
> unfortunately :(

Damn, I was hoping you'd have found a workaround for this by now. It is
quite severe though!

> I'm wondering why PM support on this machine is so crapish

My quick research turned up a few results ([1],[2],[3]) for similar bug
with other setups, however there are rather old and not met with a fix.
But yeah, this machine has some undeniable defects, a faulty BIOS made
me RMA it just after its purchase.

> (it initialy oopsed when resuming due to a bug in rtsx driver).

I was also hit by the rtsx driver bug
(https://bugs.archlinux.org/task/37720) and was delighted with its fast
resolution. I was hoping that its fix would also address the
disappearing Ethernet bug.

Le 06/02/2014 13:40, Rafael J. Wysocki a écrit :
> Is this a new problem in 3.12?

There is a ticket in kernel bugzilla [4] that involves r8169 and
suspend/resume or rather hibernate/resume. This bug involves kernels
prior to 3.12, but I can't tell if it is really related.

3.12.x is the first and only kernel I tried on this machine (well I do
have Debian 7 in dual boot but I haven't used it since I installed it).

Would it help if I'd try another distribution with older kernel? If so,
would doing it from LiveUSB be a valid way?

[1] https://bbs.archlinux.org/viewtopic.php?id=98399
[2] https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/45696
[3] http://forums.linuxmint.com/viewtopic.php?f=150&t=36708&p=211140
[4] https://bugzilla.kernel.org/show_bug.cgi?id=45911
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