On Tue, 2012-01-31 at 17:08 +0100, Tim Sander wrote: > Hi > > I'm having trouble running wifi in combination with a rt enabled kernel > > 3.0.9-rt26 on an imx51 arm platform. The distro is openwrt-trunk. > > > > The device has 2 usb wifi interfaces (AR9271 chipset; driver: based on > > compat-wireless-testing 2011-12-01). I am running an iperf load on both > > interfaces, one interface is in AP mode, the other in STA mode. > > > > When I configure the kernel without RT preemption, the device runs > > stable for >10 hours. > > > > With RT preemption enabled, after a couple of minutes some interface > > will stop transmitting data. Sometimes ifconfig wlan[0,1] down will > > hang, sometimes ifconfig wlan[0,1] down will work, but then ping will > > Just my 5 cents: I am working on the imx 35 platform and i am also having > problems with the network setup. I have sent a bugsplat to this list which > occurs in the network setup with 3.2-rt. I suspect that these two errors are > related. Steven Rosted wanted to look after it, but it seems he hasn't until > now. > Yeah, I've been hunting down other nasty bugs in the mean time. I could start looking at this. I suspect it may be due to another try_lock() thingy. -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html