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The system memory map can change over a hibernation-restore cycle due to a defect in the platform firmware, and some of the page frames used by the kernel before hibernation may not be available any more during the subsequent restore which leads to the error below. [ T357] PM: Image loading progress: 0% [ T357] PM: Read 2681596 kbytes in 0.03 seconds (89386.53 MB/s) [ T357] PM: Error -14 resuming [ T357] PM: Failed to load hibernation image, recovering. [ T357] PM: Basic memory bitmaps freed [ T357] OOM killer enabled. [ T357] Restarting tasks ... done. [ T357] PM: resume from hibernation failed (-14) [ T357] PM: Hibernation image not present or could not be loaded. Add an error message to the unpack() function to allow problematic page frames to be identified and the source of the problem to be diagnosed more easily. This can save developers quite a bit of debugging time. Signed-off-by: Xueqin Luo <luoxueqin@kylinos.cn> [ rjw: New subject, edited changelog ] Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.