Hello, I'm trying to use UML (User Mode Linux) inside Debian, but I've been running thru a few problems. I installed the packages rootstrap, user-mode-linux and uml-utilities. I tried to run rootstrap to create a filesystem image, but it failed; then I tried to create a filesystem by hand and see if UML would run. I'm running uml_switch, configured the tap0 interface, and even installed dhcp3-server as suggested by the docs (binded to the tap0interface), it doesn't work. When I try # linux ubd0=image eth0=daemonit stops at the line: NET4: Linux TCP/IP 1.0 for NET4.0 I've tried also using tuntap, loading the tun module: # linux ubd0=image eth0=tuntap,tap0 then it stops here: Netdevice 0 The interface tap0 is correctly configured, and uml_switch is running: # ifconfig tap0 tap0 Link encap:Ethernet HWaddr FE:FD:00:00:00:00 inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:255.255.255.0 UP BROADCAST RUNNING NOARP MULTICAST MTU:1500 Metric:1 # ps -ef|grep uml uml-net 19986 1 0 21:17 ? 00:00:00 /usr/bin/uml_switch -tap tap0 -unix /var/run/uml-utilities/uml_switch.ctl Anyone knows what more can be wrong?
It has been ages since I configured a UML setup. But here goes. I use the tun module with no problems. This is my command line:/usr/bin/linux umid=uml1 ubd0=./root_fs devfs=mount root=/dev/ubd0 eth0=daemon,,,/var/run/uml-utilities/uml_switch.ctl mem=64M
This is my uml_switch process: $ ps -ef |grep umluml-net 1475 1 0 19:55 ? 00:00:00 /usr/bin/uml_switch -tap tap0 -unix /var/run/uml-utilities/uml_switch.ctl
This is my tap0: $ sudo ifconfig tap0 Password: tap0 Link encap:Ethernet HWaddr 00:FF:10:BD:79:7F inet addr:192.168.2.253 Bcast:192.168.2.255 Mask:255.255.255.0 inet6 addr: fe80::2ff:10ff:febd:797f/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:3 errors:0 dropped:2 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:0 (0.0 b) TX bytes:210 (210.0 b) It looks like I have the same networking setup as you, so I am willing to bet it has to do with the differences in the command line. -Roberto Sanchez
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