[Bug 233414] [PowerPC64] OPTIONS DEBUG_MEMGUARD results in unbootable kernel

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Thu Nov 22 20:50:47 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=233414

            Bug ID: 233414
           Summary: [PowerPC64] OPTIONS DEBUG_MEMGUARD results in
                    unbootable kernel
           Product: Base System
           Version: CURRENT
          Hardware: powerpc
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs at FreeBSD.org
          Reporter: sbruno at FreeBSD.org

In an effort to debug a user-after-free problem, I enabled DEBUG_MEMGUARD to
try and pin this issue down.

Petitboot or OPAL cannot load the kernel after this is enabled and results in
no output or messages logged to the console.

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