On Sunday 12 April 2009 22:50:31 Lin Ming wrote: > On Mon, 2009-04-13 at 10:05 +0800, Zhang Rui wrote: > > 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. > > please also have a try the patch in comment #10 (don't apply the patch > in comment #6). The patch from http://bugzilla.kernel.org/show_bug.cgi?id=13036 in comment 10 cleans up the console acpi messages nicely. <ACK> Ed Tomlinson <edt@xxxxxx> Except for the following entry which, possibily, is valid: [ 0.341115] ACPI Warning (tbutils-0246): Incorrect checksum in table [OEMB] - E8, should be DF [20090320] Thanks, Ed -- 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
