linux-kernel - Re: e1000e + suspend, 3.9-rc2

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Date:	Tue, 19 Mar 2013 14:27:54 +0400
From:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
To:	Jiri Slaby <jslaby@...e.cz>
CC:	Borislav Petkov <bp@...en8.de>, jeffrey.t.kirsher@...el.com,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Bjorn Helgaas <bhelgaas@...gle.com>, x86@...nel.org,
	lkml <linux-kernel@...r.kernel.org>,
	e1000-devel@...ts.sourceforge.net,
	Bruce Allan <bruce.w.allan@...el.com>
Subject: Re: e1000e + suspend, 3.9-rc2

Jiri Slaby wrote:
> On 03/12/2013 06:17 PM, Borislav Petkov wrote:
>> On Mon, Mar 11, 2013 at 09:25:37PM +0100, Borislav Petkov wrote:
>>> Yeah, it is already upstream. And yeah, it did trigger with it.
>>>
>>> $ git describe
>>> v3.9-rc2-112-g7c6baa304b84
>>>
>>> But it somehow doesn't trigger with that same kernel anymore so I'll
>>> consider it a glitch and watch it over the next days.
>>
>> Ok, I can still see the hardware error message when suspending:
>
> And with 3.8 plus these:
>      PCI/PM: Clear state_saved during suspend
>      e1000e: fix pci-device enable-counter balance
>      e1000e: fix runtime power management transitions
>      e1000e: fix accessing to suspended device
>
> I sometimes see this:
> pci_pm_suspend():e1000_suspend +0x0/0x10 [e1000e] returns -2
> dpm_run_callback(): pci_pm_suspend+0x0/0x140 returns -2
> PM: Device 0000:00:19.0 failed to suspend async: error -2
>
> Any ideas? Am I missing some patch still?

Try this:
"PCI: Don't try to disable Bus Master on disconnected PCI devices"
https://patchwork.kernel.org/patch/2271641/

But I'm not sure, probably it is unrelated because this code works only (?)
during shutdown/kexec sequences.


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