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[suokunlong <1243300@xxxxxxxxxxxxxxxxxx>]

For me, IBM R61i x86, ubuntu 13.10.

* Suspend and wakeup for the first time, everything goes fine;
* Suspend again, and wakeup, network become "unmanaged";
* "sudo service networking restart", system freezes.

lspci:
...
03:00.0 Ethernet controller: Qualcomm Atheros AR242x / AR542x Wireless Network Adapter (PCI-Express) (rev 01)
	Subsystem: Qualcomm Atheros Device 0034
	Flags: bus master, fast devsel, latency 0, IRQ 17
	Memory at df2f0000 (64-bit, non-prefetchable) [size=64K]
	Capabilities: <access denied>
	Kernel driver in use: ath5k
...
01:00.0 VGA compatible controller: NVIDIA Corporation G86M [Quadro NVS 140M] (rev a1) (prog-if 00 [VGA controller])
	Subsystem: Lenovo ThinkPad T61
	Flags: bus master, fast devsel, latency 0, IRQ 16
	Memory at d6000000 (32-bit, non-prefetchable) [size=16M]
	Memory at e0000000 (64-bit, prefetchable) [size=256M]
	Memory at d4000000 (64-bit, non-prefetchable) [size=32M]
	I/O ports at 2000 [size=128]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: nvidia


No such issue when I was using 13.04 release with nvidia video driver, so may be a regression.

-- 
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Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1243300

Title:
  Network disabled after suspend on saucy

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Every third time or so, when my laptop is waked up after suspend,
  network is disabled and can not be enabled through the network menu.
  Clicking "Enable network" just produces a tick in the menu item but
  nothing else is changed. I can do "sudo service network-manager
  restart" to work around it.

  Lenovo S205 with Ubuntu 13.10
  Network driver: rt2800pci
  Version of acpi-support: 0.142

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