It is strange you don't see it on 3.5.0, but I believe this commit will fix the problem. It is in process of being applied for quantal.
commit 1f191ef8c716e17b768cb3371b6c507b3932e33e Author: Rob Herring <rob.herr...@calxeda.com> Date: Tue Sep 18 15:09:31 2012 -0500 ARM: highbank: retry wfi on reset request In some cases, an interrupt can occur and prevent cause failure to enter wfi. This causes reset to hang. Retrying the wfi should be enough to prevent reset from hanging. Signed-off-by: Rob Herring <rob.herr...@calxeda.com> -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1061070 Title: Reboot sometimes fails on highbank To manage notifications about this bug go to: https://bugs.launchpad.net/eilt/+bug/1061070/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs