https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=195160
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@FreeBSD.org
Reporter: bruce.c...@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()
(http://fxr.watson.org/fxr/source/ia64/ia64/machdep.c?v=FREEBSD10;im=bigexcerpts#L402),
which does a warm reboot and is probably not the expected behavior.
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