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I'm a fedora (19/ x86-64) user. When I power off the system, it always takes about 3 to 4 seconds to shut down. But whenever I reboot the system, it takes the system much longer (about 30 seconds or more) to power off (and then it starts again).

I suppose that the process of a power off, till the point of termination of the operating system and powering off, is exactly equivalent to a reboot and the differences start after that point, where in the case of a reboot, system boots again. So why a reboot takes longer to power off the system than a power off?

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Do you see the shutdown messages scrolling over the screen or is this disabled? If so, do you see one process taking longer to shutdown in reboot than shutdown? – Rik Oct 10 '13 at 20:07
No, I just see the fedora logo when rebooting/powering off. I guess I can get into that text mode by hitting escape or something (not sure); but how can I set it to do so automatically from the beginning of the process? – user215721 Oct 10 '13 at 20:47
ESC will work for this instance (for debugging shutdown). Others have suggested for permanent display of messages replacing rhgb quiet with vga=791 in grub.conf. (there are other methods) – Rik Oct 10 '13 at 20:56

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