On Sun, 2009-04-12 at 23:24 +0800, Ed Tomlinson wrote: > Hi, > > I got tired of building out of tree DRM drivers so decided to try 2.6.30-rc1. For simple tasks > it works fine, for slightly more complex ones it is not quite as good... > > Here is an example. I normally start a kvm session with the commands below: > > ed@grover ~/vm $ sudo modprobe tun > ed@grover ~/vm $ sudo brctl addbr br0 > ed@grover ~/vm $ sudo ifconfig br0 192.168.100.254 netmask 255.255.255.0 up > ed@grover ~/vm $ sudo tunctl -b -u ed -t qtap0 > qtap0 > ed@grover ~/vm $ sudo brctl addif br0 qtap0 > ed@grover ~/vm $ sudo ifconfig qtap0 up 0.0.0.0 promisc > ed@grover ~/vm $ sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE > iptables v1.4.2: can't initialize iptables table `nat': Table does not exist (do you need to insmod?) > Perhaps iptables or your kernel needs to be upgraded. > > Issue 1 - I need to manually modprobe be get iptables to work. This exact procedure worked in 2.6.29. > > ed@grover ~/vm $ sudo modprobe nf_nat > ed@grover ~/vm $ sudo modprobe ipt_MASQUERADE > ed@grover ~/vm $ sudo iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE > > Once the above networking stuff is setup I start kvm with the command below > > QEMU_AUDIO_DRV=alsa kvm -m 1024 -cdrom /mnt/sdc4/divx/archlinux-2009.02-ftp-i686.iso -boot c -smp 3 -usb -usbdevice tablet -vga std -drive file=arch.img -net nic,macaddr=52:54:00:12:34:23 -net tap,ifname=qtap0,script=no -soundhw all -mem-path /hugepages > > which works and the kvm session boots just fine. > > Issue 2. When I attempt to ping outside the kvm session the pc (not just the kvm session) hangs. > Its impossible to kill the kvm session and there are numerious info messages from RCU (tree RCU enabled) > about stalls. > > Issue 3. ACPI is having fun during startup. This does not seem to cause problems later but is > noisy and probably should be fixed before .30's release. > this is a duplicate of bug http://bugzilla.kernel.org/show_bug.cgi?id=13036 please try the patch in comment #6 there and see if it helps. thanks, rui -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
