[Bug 195160] New: ia64 cpu_halt() reboots system instead of halting

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Wed Nov 19 05:27:56 UTC 2014


            Bug ID: 195160
           Summary: ia64 cpu_halt() reboots system instead of halting
           Product: Base System
           Version: 10.1-RELEASE
          Hardware: ia64
                OS: Any
            Status: Needs Triage
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: bruce.cran at gmail.com

The cpu_halt() function is apparently supposed to stop the CPU, for example
when a panic occurs - the x64 version is implemented via an infinite loop
running the hlt instruction.

On ia64 the implementation instead calls efi_reset_system()
which does a warm reboot and is probably not the expected behavior.

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