The WiFi card worked (except it wouldn't recover from suspend) until I ran a large aptitude full-upgrade yesterday and rebooted. Now, it doesn't come up at boot and will not come up when I attempt to do bring it up manually.
Kernel version:
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alula@sweetiebelle:~$ uname -ar
Linux sweetiebelle 3.13-1-amd64 #1 SMP Debian 3.13.7-1 (2014-03-25) x86_64 GNU/Linux
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*-network DISABLED
description: Wireless interface
product: RT3290 Wireless 802.11n 1T/1R PCIe
vendor: Ralink corp.
physical id: 0
bus info: pci@0000:07:00.0
logical name: wlan0
version: 00
serial: 9c:d2:1e:42:48:d5
width: 32 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=rt2800pci driverversion=3.13-1-amd64 firmware=0.37 latency=0 link=no multicast=yes wireless=IEEE 802.11bgn
resources: irq:18 memory:d3610000-d361ffff
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alula@sweetiebelle:~$ lspci -nnk | grep -iA2 net
07:00.0 Network controller [0280]: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe [1814:3290]
Subsystem: Hewlett-Packard Company Ralink RT3290LE 802.11bgn 1x1 Wi-Fi and Bluetooth 4.0 Combo Adapter [103c:18ec]
Kernel driver in use: rt2800pci
--
0f:00.0 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller [10ec:8168] (rev 0c)
Subsystem: Hewlett-Packard Company Device [103c:1968]
Kernel driver in use: r8169
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alula@sweetiebelle:~$ sudo iwconfig
eth0 no wireless extensions.
lo 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
Encryption key:off
Power Management:off
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alula@sweetiebelle:~$ sudo ifconfig
eth0 Link encap:Ethernet HWaddr fc:15:b4:fc:ac:82
inet addr:192.168.0.8 Bcast:192.168.0.255 Mask:255.255.255.0
inet6 addr: fe80::fe15:b4ff:fefc:ac82/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:33749 errors:0 dropped:0 overruns:0 frame:0
TX packets:26867 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:33047156 (31.5 MiB) TX bytes:2806273 (2.6 MiB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:41 errors:0 dropped:0 overruns:0 frame:0
TX packets:41 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4604 (4.4 KiB) TX bytes:4604 (4.4 KiB)
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alula@sweetiebelle:~$ sudo ip link set wlan0 up
RTNETLINK answers: Input/output error
alula@sweetiebelle:~$ dmesg | tail -f
[ 2858.299716] ieee80211 phy0: rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x00000068]
[ 2859.901306] ieee80211 phy0: rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x00000068]
[ 2859.901311] ieee80211 phy0: rt2800pci_set_device_state: Error - Device failed to enter state 4 (-5)
[ 2861.518943] ieee80211 phy0: rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x00000068]
[ 2863.120553] ieee80211 phy0: rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x00000068]
[ 2863.120557] ieee80211 phy0: rt2800pci_set_device_state: Error - Device failed to enter state 4 (-5)
[ 2864.738172] ieee80211 phy0: rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x00000068]
[ 2866.339737] ieee80211 phy0: rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x00000068]
[ 2866.339742] ieee80211 phy0: rt2800pci_set_device_state: Error - Device failed to enter state 4 (-5)
[ 2867.957399] ieee80211 phy0: rt2800_wait_wpdma_ready: Error - WPDMA TX/RX busy [0x00000068]
Any ideas & help appreciated.