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Add apertis/0006-Add-pstore-command.patch

Frederic Danis requested to merge wip/fdanis/6482 into apertis/v2020pre

This patch adds a new pstore command allowing to display or save logs (oops, panic, console, ftrace and user). PStore parameters can be set in U-Boot configuration file, or at run-time using "pstore set" command. Records size should be the same as the ones used by kernel, and should be a power of 2. This command allows:

  • to display uncompressed logs
  • to save compressed or uncompressed logs, compressed logs are saved as a compressed stream, it may need some work to be able to decompress it, e.g. adding a fake header: printf "\x1f\x8b\x08\x00\x00\x00\x00\x00\x00\x00" | cat - dmesg-ramoops-0.enc.z | gzip -dc
  • ECC part is not used to check memory corruption
  • only 1st FTrace log is displayed or saved

Signed-off-by: Frédéric Danis frederic.danis@collabora.com

Edited by Frederic Danis

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