Description of problem: I have a Dell Optiplex 9010 with Intel 82801 SATA RAID controller and Intel BIOS RAID 1 which hangs when using the standard way of shutting down or rebooting. Version-Release number of selected component (if applicable): systemd-44-21.fc17.x86_64 kernel-3.6.9-2.fc17.x86_64 How reproducible: Always Steps to Reproduce: 1. Select Power Off or Restart from menu 2. System starts to shutdown Actual results: System hangs during ""Unmounting file systems" part of shutdown process, progress varies but always hangs. Expected results: System reboots / powers off correctly. Additional info: Using either of the following does work so not a kernel issue: sync && reboot -f sync && poweroff -f Also see bug 879327 (for Fedora 18) and previously fixed bug 752593 (for Fedora 16/17).
This bug seems similar to bug #834245.
*** This bug has been marked as a duplicate of bug 834245 ***