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From: bugzilla-daemon@kernel.org
To: linuxppc-dev@lists.ozlabs.org
Subject: [Bug 216183] Kernel 5.19-rc4 boots ok with CONFIG_PPC_RADIX_MMU=y
 but fails to boot with CONFIG_PPC_HASH_MMU_NATIVE=y
Date: Mon, 11 Jul 2022 18:07:51 +0000
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https://bugzilla.kernel.org/show_bug.cgi?id=3D216183

--- Comment #6 from Erhard F. (erhard_f@mailbox.org) ---
Created attachment 301395
  --> https://bugzilla.kernel.org/attachment.cgi?id=3D301395&action=3Dedit
kernel .config (kernel 5.10.129, Talos II)

Tried some LTS kernels and with 5.10.x I got a .config working to boot the
Talos 2 with HASH MMU on my system.

Also I found out that selecting CONFIG_PAGE_POISONING=3Dy in the working 5.=
10.x
config renders the kernel unbootable again. Though this seems a different
issue, as simply deselecting PAGE_POISONING in my 5.19-rc .config did not h=
elp.
So I opened bug #216238 for this issue.

5.11.x also boots with HASH MMU, but I got problems on 5.12.x again. 5.15 L=
TS
shows almost the same behaviour as described here for 5.19-rc.

At least I got a starting point now for a bisect.

--=20
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