Am 12.07.2013 22:00, schrieb Paul Smith: > On Fri, Jul 12, 2013 at 8:54 PM, Reindl Harald <h.reindl@xxxxxxxxxxxxx> wrote: >>> I am experiencing the following problem while booting Fedora 19: >>> >>> smpboot: CPU2: Not responding. >>> >>> The computer seems to be blocked. Is there some way of rebooting it >>> without having to power off the computer? >> >> https://www.kernel.org/doc/Documentation/kernel-parameters.txt >> >> nosmp [SMP] Tells an SMP kernel to act as a UP kernel, >> and disable the IO APIC. legacy for "maxcpus=0" >> >> >> however, if one CPU or core does not respond >> all the time assume your hardware is dying > > Thanks, Reindl. The issue was caused by the fact that I rebooted the > computer without having disconnected the external disk before. Since a > hard power off, the computer has worked just fine. But I was keen to > avoid the hard power off, as someone told me that it is maleficent for > the hard drive. However, it seems that that opinion is not unanimous > according to the discussions I have consulted meanwhile -- many claim > that a hard power off is pretty safe regarding hardware i can not imagine why a connected external HD would result in "smpboot: CPU2: Not responding" - this makes pretty no sense because thes eboth facts have nothing to do with each other so yes, the power off resolved the problem most likely only temporary if it happens more than once at all
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