[Bug 45851] Reboot hangs

[Peter S]

Public bug reported:

Binary package hint: linux-image-2.6-686-smp

The computer hangs as the system is trying to reboot. Displaying only the line: "Restarting system", I then have to restart it manually.
I've experienced this bug in an earlier version of Ubuntu (I think it was solved in the kernel for Hoary). As I upgraded to Dapper, the problem returned. It seems like it's kernel oriented; it doesn't matter, though, whether I use the i386, i686 or i i686-smp kernel architecture.
My motherboard is an ASUS P4S800-MX with a Celeron D processor. I've tried it on several other motherboards but the ASUS P4S800-MX is the only one that won't reboot.

** Affects: linux-meta (Ubuntu)
       Severity: Normal
       Priority: (none set)
         Status: Unconfirmed

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Reboot hangs
https://launchpad.net/bugs/45851