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

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Message-ID: <2082735.jaKtCS1gqS@vostro.rjw.lan>
Date:	Fri, 07 Feb 2014 00:48:14 +0100
From:	"Rafael J. Wysocki" <rjw@...ysocki.net>
To:	Peter Wu <lekensteyn@...il.com>
Cc:	Bastien Traverse <bastien.traverse@...il.com>,
	linux-kernel@...r.kernel.org, francis.moro@...il.com,
	linux-pm@...r.kernel.org
Subject: Re: 3.12: ethernet controller missing after resuming from suspend to RAM

On Friday, February 07, 2014 12:27:03 AM you wrote:
[...]

> [   49.170694] video LNXVIDEO:01: Restoring backlight state
> [   49.644845] ACPI: \_SB_.AC__: ACPI_NOTIFY_BUS_CHECK event: unsupported
> [   49.646671] jme 0000:04:00.5: irq 50 for MSI/MSI-X
> [   49.671645] jme 0000:04:00.5 eth0: Link is down

Well, this means that Ethernet device is present after the resume.

> [   49.671717] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
> [   49.674119] iwlwifi 0000:05:00.0: L1 Enabled; Disabling L0S
> [   49.681037] iwlwifi 0000:05:00.0: Radio type=0x1-0x3-0x1
> [   49.778035] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
> [   49.806241] xhci_hcd 0000:02:00.0: no hotplug settings from platform
> [   49.859417] iwlwifi 0000:05:00.0: no hotplug settings from platform
> [   56.264694] wlan0: authenticate with [STRIPPED]
> [   56.277969] wlan0: send auth to [STRIPPED] (try 1/3)
> [   56.282076] wlan0: authenticated
> [   56.283879] wlan0: associate with [STRIPPED] (try 1/3)
> [   56.297196] wlan0: RX AssocResp from [STRIPPED] (capab=0x411 status=0 aid=6)
> [   56.303746] wlan0: associated
> [   56.303826] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready

Can you check the lspci differences between before/after the suspend-resume
cycle?

-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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