** Also affects: pmdk (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1799237
Title:
mprotect fails on ext4 with dax
Status in Ubuntu
This is purely kernel issue. It can be worked around in PMDK by code
change, as those mprotects are only safety precautions, but I really
wouldn't want to do this upstream.
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h
To summarize: 4.15.0-20 is the last kernel where mprotect works, all kernels
between 4.15.0-20 and 4.15.0-34 are not testable, 4.15.0-34 is the first kernel
that boots correctly and mprotect fails.
You have a test program, instructions how to run it and here's a guide how to
set up pmem emulatio
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