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

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Message-ID: <51C03F5E.3050101@suse.cz>
Date:	Tue, 18 Jun 2013 13:07:10 +0200
From:	Jiri Slaby <jslaby@...e.cz>
To:	Konstantin Khlebnikov <khlebnikov@...nvz.org>
CC:	"Allan, Bruce W" <bruce.w.allan@...el.com>,
	Jiri Slaby <jirislaby@...il.com>,
	Borislav Petkov <bp@...en8.de>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"Rafael J. Wysocki" <rjw@...k.pl>,
	Bjorn Helgaas <bhelgaas@...gle.com>,
	"x86@...nel.org" <x86@...nel.org>,
	lkml <linux-kernel@...r.kernel.org>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>
Subject: Re: e1000e + suspend, 3.9-rc2

On 06/12/2013 11:29 PM, Konstantin Khlebnikov wrote:
> Jiri Slaby wrote:
>>> pci_pm_suspend(): e1000_suspend+0x0/0x10 [e1000e] returns -2
>>> pci_pm_suspend(): e1000_suspend+0x0/0x10 [e1000e] returns -2
>>> pci_pm_suspend(): e1000_suspend+0x0/0x10 [e1000e] returns -2
>>> pci_pm_suspend(): e1000_suspend+0x0/0x10 [e1000e] returns -2
>>> pci_pm_suspend(): e1000_suspend+0x0/0x10 [e1000e] returns -2
>>> pci_pm_suspend(): e1000_suspend+0x0/0x10 [e1000e] returns -2
>>
>> This still happens with 3.9.5 ...
>>
>> I don't use wired net at all. This usually happens after I enable power
>> saving.
> 
> I guess that '-2' is one of 'return -E1000_ERR_PHY',
> but all that debug messages are omitted by default.

Yeah, I wrote that in one of my past reports too.

> Please enable CONFIG_DYNAMIC_DEBUG=y and mount debugfs, after that:
> # echo module e1000e +p > /sys/kernel/debug/dynamic_debug/control
> If it would be too verbose you can enable these messages more selective.

I have CONFIG_DYNAMIC_DEBUG=y, but the issue is pretty hard to
reproduce. As soon as it recurs, I will report the results of the above...

thanks,
-- 
js
suse labs
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