qemu coredumps on any network activity
Atanu Ghosh
atanu at icsi.berkeley.edu
Tue May 6 00:34:22 UTC 2008
Hi,
Thanks for the info, I am also using I am on FreeBSD 7.0-stable, amd64.
Atanu.
>>>>> "Steve" == Steve Franks <stevefranks at ieee.org> writes:
Steve> On Mon, May 5, 2008 at 11:38 AM, Atanu Ghosh
Steve> <atanu at icsi.berkeley.edu> wrote:
>> Hi,
>>
>> <http://monkey.org/freebsd/archive/freebsd-questions/200802/msg01649.html>
>>
>> I am seeing the same problem, did you ever get to the bottom of
>> this?
>>
>> Atanu.
>>
Steve> I switched to using a "tap" bridge instead. I have not had
Steve> any problems with it. FYI I am on FreeBSD 7.0-stable, amd64.
Steve> Steve
Steve> ~/bin/qemu.sh:
Steve> sudo kldload kqemu if_tap if_bridge aio
Steve> sudo sysctl net.link.tap.user_open=1 sudo sysctl
Steve> net.link.tap.devfs_cloning=1 sudo sysctl
Steve> net.link.tap.up_on_open=1
Steve> # sudo ifconfig bridge0 destroy # sudo ifconfig bridge1
Steve> destroy # sudo ifconfig tap0 destroy # sudo ifconfig tap1
Steve> destroy # sudo ifconfig tap2 destroy # sudo ifconfig tap3
Steve> destroy # sudo ifconfig tap4 destroy # sudo ifconfig tap5
Steve> destroy # sudo ifconfig tap6 destroy # sudo ifconfig tap7
Steve> destroy # sudo ifconfig tap8 destroy # sudo ifconfig tap9
Steve> destroy
Steve> sudo ifconfig bridge0 create sudo ifconfig bridge0 addm vr0 #
Steve> sudo ifconfig tap0 create sudo ifconfig bridge0 addm tap0
Steve> sudo ifconfig bridge0 addm tap1 sudo ifconfig bridge0 addm
Steve> tap2 sudo ifconfig bridge0 addm tap3 sudo ifconfig bridge0
Steve> addm tap4 sudo ifconfig bridge0 addm tap5 sudo ifconfig
Steve> bridge0 addm tap6 sudo ifconfig bridge0 addm tap7 sudo
Steve> ifconfig bridge0 addm tap8 sudo ifconfig bridge0 addm tap9
Steve> sudo ifconfig bridge0 up sudo ifconfig vr0 up sudo ifconfig
Steve> tap0 up sudo ifconfig tap1 up sudo ifconfig tap2 up sudo
Steve> ifconfig tap3 up sudo ifconfig tap4 up sudo ifconfig tap5 up
Steve> sudo ifconfig tap6 up sudo ifconfig tap7 up sudo ifconfig
Steve> tap8 up sudo ifconfig tap9 up sudo dhclient bridge0
Steve> sudo /etc/rc.d/devfs restart sudo /etc/rc.d/sysctl restart
Steve> ifconfig
Steve> qemu -m 512 -net nic -net tap -hda
Steve> /usr/local/share/qemu/drivec.img -usb -usbdevice tablet & #
Steve> -usbdevice disk:/dev/da0 -hdb fat:/mnt/flash -std-vga &
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