Hi. I am hitting a bug that manifests in an unregister_netdevice error
message. After the problem is triggered processes like ifconfig, tunctl
and route refuse to exit, even with killed. And the only solution I
have found to regaining control of the server is issuing a reboot.
The server is running a number of tap devices. (It is a UML host server
running the skas patches http://www.user-mode-linux.org/~blaisorblade/).
Regards, Peter
# uname -r
2.6.11.7-skas3-v8
unregister_netdevice: waiting for tap24 to become free. Usage count = 1
unregister_netdevice: waiting for tap24 to become free. Usage count = 1
unregister_netdevice: waiting for tap24 to become free. Usage count = 1
unregister_netdevice: waiting for tap24 to become free. Usage count = 1
unregister_netdevice: waiting for tap24 to become free. Usage count = 1
unregister_netdevice: waiting for tap24 to become free. Usage count = 1
unregister_netdevice: waiting for tap24 to become free. Usage count = 1
30684 ? DW 0:45 \_ [tunctl]
31974 ? S 0:00 /bin/bash ./monitorbw.sh
31976 ? S 0:00 \_ /bin/bash ./monitorbw.sh
31978 ? D 0:00 \_ /sbin/ifconfig
31979 ? S 0:00 \_ grep \(tap\)\|\(RX bytes\)
32052 ? S 0:00 /bin/bash /opt/uml/umlcontrol.sh start --user
gildersleeve.de
32112 ? S 0:00 \_ /bin/bash /opt/uml/umlrun.sh --user
gildersleeve.de
32152 ? S 0:00 \_ /bin/bash ./umlnetworksetup.sh
--check --user gildersleeve.de
32176 ? D 0:00 \_ tunctl -u gildersleeve.de -t tap24
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