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Subject: [Bug 196650] [PATCH] Display progress during getmemsize() so the
 kernel doesn't look like it hanged
Date: Sat, 10 Jan 2015 06:54:28 +0000
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X-Bugzilla-Product: Base System
X-Bugzilla-Component: kern
X-Bugzilla-Version: 11.0-CURRENT
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X-Bugzilla-Severity: Affects Some People
X-Bugzilla-Who: rpokala@panasas.com
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=196650

            Bug ID: 196650
           Summary: [PATCH] Display progress during getmemsize() so the
                    kernel doesn't look like it hanged
           Product: Base System
           Version: 11.0-CURRENT
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: freebsd-bugs@FreeBSD.org
          Reporter: rpokala@panasas.com

Created attachment 151564
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=151564&action=edit
Add a progress indicator to getmemsize() memory mapping - print a dot every GB

Several people have noticed that there can be a long, silent pause early in
boot on amd64 systems with large amounts of physical RAM. This is while all the
memory ranges are getting mapped in. Even with the memory tests disabled, this
can take a noticeably long time, to the point that its easy to think that the
kernel has stopped booting. The attached patch provides a basic progress
indicator (print a dot as every GB is mapped), so it is obvious that progress
actually is being made.

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