[PATCH v2] powerpc: dump kernel log before carrying out fadump or kdump

Michael Ellerman patch-notifications at ellerman.id.au
Thu Sep 19 20:25:48 AEST 2019


On Wed, 2019-09-04 at 07:59:49 UTC, Ganesh Goudar wrote:
> Since commit 4388c9b3a6ee ("powerpc: Do not send system reset request
> through the oops path"), pstore dmesg file is not updated when dump is
> triggered from HMC. This commit modified system reset (sreset) handler
> to invoke fadump or kdump (if configured), without pushing dmesg to
> pstore. This leaves pstore to have old dmesg data which won't be much
> of a help if kdump fails to capture the dump. This patch fixes that by
> calling kmsg_dump() before heading to fadump ot kdump.
> 
> Fixes: 4388c9b3a6ee ("powerpc: Do not send system reset request through the oops path")
> Reviewed-by: Mahesh Salgaonkar <mahesh at linux.vnet.ibm.com>
> Reviewed-by: Nicholas Piggin <npiggin at gmail.com>
> Signed-off-by: Ganesh Goudar <ganeshgr at linux.ibm.com>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/e7ca44ed3ba77fc26cf32650bb71584896662474

cheers


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