Actually... The bug is back again... I can see a strange thing. Before the disconnection, "lsmod" shows the module "option" is used a lot:
# lsmod | grep -i option option 22912 4294967295 usbserial 36136 1 option ** Attachment added: "Second kernel OOPS - 2.6.31-10-generic" http://launchpadlibrarian.net/31878680/KERNEL-OOPS.txt -- Problem while disconnecting ONDA MT503HSA (HSDPA USB serial modem) https://bugs.launchpad.net/bugs/423064 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