Public bug reported:
Following an upgrade to Intrepid on a system where the rt2500pci
wireless was working in Hardy using linux-backports-modules, the
wireless interface still works on startup but becomes non-functional
after a suspend/resume cycle. The following error can be seen in syslog
from NetworkManager:
NetworkManager: <info> (wlan0): now managed
NetworkManager: <info> (wlan0): device state change: 1 -> 2
NetworkManager: <info> (wlan0): bringing up device.
NetworkManager: <WARN> nm_device_hw_bring_up(): (wlan0): device not up after
timeout!
and attempts to bring the interface up manually fail:
$ sudo ifconfig wlan0 up
SIOCSIFFLAGS: No such device
even though the interface does appear in the output of "iwconfig" and
"ifconfig -a"
Reloading the module with:
$ sudo rmmod rt2500pci && sudo modprobe rt2500pci
seems to get the interface working again.
lspci -v output:
01:03.0 Network controller: RaLink RT2500 802.11g Cardbus/mini-PCI (rev 01)
Subsystem: Micro-Star International Co., Ltd. Device 6833
Flags: bus master, slow devsel, latency 64, IRQ 21
Memory at ffcfc000 (32-bit, non-prefetchable) [size=8K]
Capabilities: [40] Power Management version 2
Kernel driver in use: rt2500pci
Kernel modules: rt2500pci
This occurs using both the default rt2x00 modules included with
Intrepid, and the ones in linux-backports-modules.
** Affects: linux-backports-modules-2.6.27 (Ubuntu)
Importance: Undecided
Status: New
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rt2500pci wireless interface not functional after suspend/resume
https://bugs.launchpad.net/bugs/293844
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