[Bug 239245] r350018 will panic on ppc64 PowerMac G5 in vm_phys_enqueue_contig

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Tue Jul 16 11:01:40 UTC 2019


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239245

--- Comment #2 from Dennis Clarke <dclarke at blastwave.org> ---
Also see a similar ( nearly identical ) panic report from Francis Little : 

https://bz-attachments.freebsd.org/attachment.cgi?id=205809


Carefully looking at the two panic reports side by side I see that
there are very subtle diffs. 

The segind number is 125 for Francis and 127 for mine.  Is this a
segment index number? 

The address difference between the two is : 

    Francis  0xc000000273833710
    My G5    0xc000000273832640
    ----------------------------
                           10d0

I was hoping for some perfect multiple of 0x100 or similar. 

Also for Francis he has the exact same stack backtrace however the 
"Stopped at" is different likely due to the segind 125 address being
different.

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