On Mon, 12 Sep 2022 12:20:31 +0530, Hari Bathini wrote: > Since commit e641eb03ab2b0 ("powerpc: Fix up the kdump base cap to > 128M") memory for kdump kernel has been reserved at an offset of > 128MB. This held up well for a long time before running into boot > failure on LPARs having a lot of cores. Commit 7c5ed82b800d8 > ("powerpc: Set crashkernel offset to mid of RMA region") fixed this > boot failure by moving the offset to mid of RMA region. This change > meant the offset is either 256MB or 512MB on LPARs as ppc64_rma_size > was 512MB or 1024MB owing to commit 103a8542cb35b ("powerpc/book3s64/ > radix: Fix boot failure with large amount of guest memory") > > [...]
Applied to powerpc/next. [1/1] ppc64/kdump: Limit kdump base to 512MB https://git.kernel.org/powerpc/c/bd7dc90e52e8db7ee0f38c51bc9047bafb54fe43 cheers