[Bug 213069] kernel BUG at arch/powerpc/include/asm/book3s/64/hash-4k.h:147! Oops: Exception in kernel mode, sig: 5 [#1]

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Mon May 17 16:21:09 AEST 2021


Christophe Leroy (christophe.leroy at csgroup.eu) changed:

           What    |Removed                     |Added
                 CC|                            |christophe.leroy at csgroup.eu

--- Comment #2 from Christophe Leroy (christophe.leroy at csgroup.eu) ---
The bug is not in powerpc but in function pmd_basic_tests() in

pfn_pmd() should not be called before the has_transparent_hugepage()

Same problem in pmd_advanced_tests()

And there is the exact same issue with PUD tests with pfn_pud() function.

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