[Bug 194473] New: clang built kernels failing to boot on sparc64

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=194473

            Bug ID: 194473
           Summary: clang built kernels failing to boot on sparc64
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: sparc64
                OS: Any
            Status: Needs Triage
          Severity: Affects Many People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs at FreeBSD.org
          Reporter: craig001 at lerwick.hopto.org

clang kernels are failing to boot on sparc64 boxes.

applying patch and following instructions from;
https://docs.freebsd.org/cgi/getmsg.cgi?fetch=919883+0+/usr/local/www/db/text/2014/freebsd-current/20140716.freebsd-current

produces;
https://docs.freebsd.org/cgi/getmsg.cgi?fetch=94686+98764+/usr/local/www/db/text/2014/freebsd-sparc64/20141019.freebsd-sparc64

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jumping to kernel entry at 0xc00a8000
Data Access Exception

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It has been suggested that PCPU is at fault and will need non-trivial fix.

Regards

Craig Butler

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