This patch set implements firmware-assisted dump support for kdump svice. Firmware-assisted dump support depends on existing kdump infrastructure (kdump scripts) present in userland to save dump to the disk. Though existing kdump script will work seemlessly, it still needs to modified to make it aware of presense of firmware- assisted dump feature during service start and stop. These changes are tested successfully on a power box with fedora19. Changes from v6 to v7: 1. Using node added to device tree by firmware to identify if boot is after crash instead of using "/proc/vmcore". This makes for better error handling. 2. Declared newly introduced variables. 3. Added setup_target_initrd routine to improve readability. Changes from v5 to v6: 1. Using common global variable TARGET_INITRD for both kdump and fadump modes 2. Reworked on determine_dump_mode routine 3. Using a temporary image for rebuilding --- Hari Bathini (6): kdump: Modify status routine to check for firmware-assisted dump kdump: Modify kdump script to start the firmware assisted dump. kdump: Modify kdump script to stop firmware assisted dump kdump: Rebuild default initrd for firmware assisted dump kdump: Check whether or not to invoke capturing vmcore kdump: Add firmware-assisted dump howto document dracut-kdump.sh | 5 + fadump-howto.txt | 250 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ kdumpctl | 217 +++++++++++++++++++++++++++++++++++++++++++---- 3 files changed, 454 insertions(+), 18 deletions(-) create mode 100644 fadump-howto.txt -- - Hari