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

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Date:	Thu, 06 Feb 2014 00:42:51 +0100
From:	Bastien Traverse <bastien.traverse@...il.com>
To:	linux-kernel@...r.kernel.org
CC:	francis.moro@...il.com, linuux-pm@...r.kernel.org
Subject: Re: 3.12: ethernet controller missing after resuming from suspend
 to RAM

Hello,

I'm encountering the exact same problem (same model of machine, same
controller, same OS) and was wondering where this bug was at.

I just used my Ethernet NIC for the first time on an up-to-date
Archlinux; it was working fine until I suspended to RAM: on resume the
Realtek/Ethernet device had completely disappeared.

The two entries absent from lspci output after resume are:
$ sudo lspci -v
(…)
03:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device
5289 (rev 01)
	Subsystem: CLEVO/KAPOK Computer Device 0540
	Flags: bus master, fast devsel, latency 0, IRQ 44
	Memory at f7200000 (32-bit, non-prefetchable) [size=64K]
	Capabilities: [40] Power Management version 3
	Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
	Capabilities: [70] Express Endpoint, MSI 00
	Capabilities: [b0] MSI-X: Enable- Count=1 Masked-
	Capabilities: [d0] Vital Product Data
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [140] Virtual Channel
	Capabilities: [160] Device Serial Number 00-00-00-00-00-00-00-00
	Kernel driver in use: rtsx_pci
	Kernel modules: rtsx_pci

03:00.2 Ethernet controller: Realtek Semiconductor Co., Ltd.
RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller (rev 0a)
	Subsystem: CLEVO/KAPOK Computer Device 0540
	Flags: bus master, fast devsel, latency 0, IRQ 45
	I/O ports at e000 [size=256]
	Memory at f0a04000 (64-bit, prefetchable) [size=4K]
	Memory at f0a00000 (64-bit, prefetchable) [size=16K]
	Capabilities: [40] Power Management version 3
	Capabilities: [50] MSI: Enable+ Count=1/1 Maskable- 64bit+
	Capabilities: [70] Express Endpoint, MSI 01
	Capabilities: [b0] MSI-X: Enable- Count=4 Masked-
	Capabilities: [d0] Vital Product Data
	Capabilities: [100] Advanced Error Reporting
	Capabilities: [160] Device Serial Number 02-00-00-00-68-4c-e0-00
	Kernel driver in use: r8169
	Kernel modules: r8169

Trying to modprobe r8169 & rtsx_pci didn't change anything.

Tell me whether my dmesg may be of any use, but I doubt it as it is
pretty close to original poster's one.

Thanks,
Bastien
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