[Bug 209029] kernel 5.9-rc2 fails to boot on a PowerMac G5 11,2 - BUG: Kernel NULL pointer dereference on read at 0x00000020

bugzilla-daemon at bugzilla.kernel.org bugzilla-daemon at bugzilla.kernel.org
Wed Sep 2 20:48:51 AEST 2020


https://bugzilla.kernel.org/show_bug.cgi?id=209029

--- Comment #4 from Erhard F. (erhard_f at mailbox.org) ---
(In reply to Christophe Leroy from comment #3)
> Did you try without CONFIG_DEBUG_VM_PGTABLE ?
Without CONFIG_DEBUG_VM_PGTABLE the G5 boots fine. Thanks!

> If you want CONFIG_DEBUG_VM_PGTABLE, the following series aims at fixing it
> for PPC64:
> https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=197961
Did not check the series as current ozlabs patches indicate that the
CONFIG_DEBUG_VM_PGTABLE option is removed for the time being.

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