Perhaps, it is some kernel bug. I've attached a fragment of syslog when this issue occured (Ubuntu 9.10 desktop).
** Attachment added: "system log fragment" http://launchpadlibrarian.net/34946910/syslog.txt -- eth0 not listed by ifconfig if cable not plugged when booting; system crashes if cable hot unplugged https://bugs.launchpad.net/bugs/466325 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
