formeley /bin/bash i have reinstalled feisty and the trouble is gone now i using qemu with kqemu module and have no any problem
previous i upgraded from dapper to feisty have installed Virtualbox versions 1.3.x 1.4.x are known to run in trouble on dualcore systems i no more using them -- system freeze with unkown reason https://bugs.launchpad.net/bugs/114270 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs