wifi not working after system crash; *-network DISABLED

[Shash]

I have a machine which had ubuntu 12.04 preinstalled, and i did a fresh install of ubuntu 13.04 a few months ago, and had to manually install the drivers for the wireless adapter. The wifi and ethernet worked flawlessly after that, until last night, when i was working on some ftp work for my website, and i started uploading a 50mb file, and the system hung. I used the system reset method of "Ctrl+Alt+SysRq+R-E-I-S-U-B". When the system rebooted, the wireless wasn't working, and in the indicator applet it said "device not ready" under the wireless section. Initially, even the ethernet wasn't working, but after a little while, it automatically started working, thankfully!

I ran a few commands in the terminal, and i'm pasting the outputs below.

rfkill list all

0: hci0: Bluetooth
 Soft blocked: no
 Hard blocked: no
1: phy0: Wireless LAN
 Soft blocked: no
 Hard blocked: no

lspci

00:00.0 Host bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Root Complex
00:01.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI Richland [Radeon HD 8450G]
00:01.1 Audio device: Advanced Micro Devices [AMD] nee ATI Trinity HDMI Audio Controller
00:04.0 PCI bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Root Port
00:05.0 PCI bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Root Port
00:07.0 PCI bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Root Port
00:10.0 USB controller: Advanced Micro Devices [AMD] FCH USB XHCI Controller (rev 09)
00:10.1 USB controller: Advanced Micro Devices [AMD] FCH USB XHCI Controller (rev 09)
00:11.0 SATA controller: Advanced Micro Devices [AMD] FCH SATA Controller [AHCI mode] (rev 40)
00:12.0 USB controller: Advanced Micro Devices [AMD] FCH USB OHCI Controller (rev 11)
00:12.2 USB controller: Advanced Micro Devices [AMD] FCH USB EHCI Controller (rev 11)
00:13.0 USB controller: Advanced Micro Devices [AMD] FCH USB OHCI Controller (rev 11)
00:13.2 USB controller: Advanced Micro Devices [AMD] FCH USB EHCI Controller (rev 11)
00:14.0 SMBus: Advanced Micro Devices [AMD] FCH SMBus Controller (rev 16)
00:14.2 Audio device: Advanced Micro Devices [AMD] FCH Azalia Controller (rev 01)
00:14.3 ISA bridge: Advanced Micro Devices [AMD] FCH LPC Bridge (rev 11)
00:14.4 PCI bridge: Advanced Micro Devices [AMD] FCH PCI Bridge (rev 40)
00:14.5 USB controller: Advanced Micro Devices [AMD] FCH USB OHCI Controller (rev 11)
00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Function 0
00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Function 1
00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Function 2
00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Function 3
00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Function 4
00:18.5 Host bridge: Advanced Micro Devices [AMD] Family 15h (Models 10h-1fh) Processor Function 5
01:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168 PCI Express Gigabit Ethernet controller (rev 0c)
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS5229 PCI Express Card Reader (rev 01)
03:00.0 Network controller: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe
03:00.1 Bluetooth: Ralink corp. RT3290 Bluetooth

sudo lshw -C network

 *-network
       description: Ethernet interface
       product: RTL8111/8168 PCI Express Gigabit Ethernet controller
       vendor: Realtek Semiconductor Co., Ltd.
       physical id: 0
       bus info: pci@0000:01:00.0
       logical name: eth0
       version: 0c
       serial: a4:5d:36:cb:a7:da
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8168g-1_0.0.3 10/23/12 ip=192.168.1.10 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
       resources: irq:49 ioport:4000(size=256) memory:d5000000-d5000fff memory:d0000000-d0003fff
  *-network DISABLED
       description: Wireless interface
       product: RT3290 Wireless 802.11n 1T/1R PCIe
       vendor: Ralink corp.
       physical id: 0
       bus info: pci@0000:03:00.0
       logical name: wlan0
       version: 00
       serial: 3c:77:e6:af:f0:a7
       width: 32 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
       configuration: broadcast=yes driver=rt2800pci driverversion=3.8.0-33-generic firmware=0.37 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
       resources: irq:19 memory:d3010000-d301ffff

sudo iwlist wlan0 scanning

wlan0 Interface doesn't support scanning : Network is down

iwconfig

eth0 no wireless extensions.

lo no wireless extensions.

lxcbr0 no wireless extensions.

wlan0 IEEE 802.11bgn ESSID:off/any
          Mode:Managed Access Point: Not-Associated Tx-Power=0 dBm
          Retry long limit:7 RTS thr:off Fragment thr:off
          Power Management:off

sudo ifconfig wlan0 up

SIOCSIFFLAGS: Input/output error

If you need more information, please tell me!

I am not new to linux, but i am not well-versed with using the terminal, so please bear with me if i ask too many questions! I hope you can help me solve this bug!

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: network-manager 0.9.8.0-0ubuntu6.1
ProcVersionSignature: Ubuntu 3.8.0-33.48-generic 3.8.13.11
Uname: Linux 3.8.0-33-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 2.9.2-0ubuntu8.5
Architecture: amd64
Date: Tue Mar 25 11:06:25 2014
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2013-11-08 (136 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
IpRoute:
 default via 192.168.1.1 dev eth0 proto static
 10.0.3.0/24 dev lxcbr0 proto kernel scope link src 10.0.3.1
 169.254.0.0/16 dev eth0 scope link metric 1000
 192.168.1.0/24 dev eth0 proto kernel scope link src 192.168.1.10 metric 1
MarkForUpload: True
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH
 F0:6B:CA:E1:9F:26 bluetooth disconnected /org/freedesktop/NetworkManager/Devices/2
 wlan0 802-11-wireless unavailable /org/freedesktop/NetworkManager/Devices/1
 eth0 802-3-ethernet connected /org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
 RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
 running 0.9.8.0 connected enabled enabled enabled enabled disabled

[Bryan Quigley (bryanquigley)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. We are sorry that we do not always have the capacity to look at all reported bugs in a timely manner. There have been many changes in Ubuntu since that time you reported the bug and your problem may have been fixed with some of the updates.

I'm going to close this bug report as their is nothing else we can do with this old report in a now unsupported version of Ubuntu. If you still have this issue on Ubuntu 14.04 or higher, please do reopen or report a new bug.