[Bug 204789] Boot failure with more than 256G of memory on Power9 with 4K pages & Hash MMU
From: <hidden>
Date: 2019-10-01 16:05:42
https://bugzilla.kernel.org/show_bug.cgi?id=204789
--- Comment #11 from Cameron (cam@neo-zeon.de) ---grep RAM /proc/iomem 00000000-3fffffffff : System RAM The system has 16 dimm slots, all are populated. Unfortunately, I will not have physical to access to the box in the foreseeable future. Aneesh appears to be correct in that this issue started with 0034d395f89d. On 10/1/19 3:04 AM, bugzilla-daemon@bugzilla.kernel.org wrote:
quoted hunk
https://bugzilla.kernel.org/show_bug.cgi?id=204789--- Comment #10 from Michael Ellerman (michael@ellerman.id.au) ---Can you boot a good kernel and do: $ sudo grep RAM /proc/iomem And paste the output. Just to confirm what your memory layout is. What arrangement of DIMMs do you have? It's possible you could work around the bug by changing that, depending on how many DIMMs and slots you have.
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