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* <b>Q</b>: Why CRIU dumps parts of read-only mappings that map the code section of a binary? For instance, there is a mapping at, say 0x400000, that maps the code of /usr/bin/something. After dump there will be at least a page at 0x400000 in the pagemap
* <b>Q</b>: Why CRIU dumps parts of read-only mappings that map the code section of a binary? For instance, there is a mapping at, say 0x400000, that maps the code of /usr/bin/something. After dump there will be at least a page at 0x400000 in the pagemap
* <b>A</b>: The code section may have been COWed, for instance during dynamic load of the shared libraries.
* <b>A</b>: The code section may have been COWed, for instance during dynamic load of the shared libraries.
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+* <b>Q</b>: Why my [[ZDTM Test Suite|test]] cannot do privileged operation, though I run zdtm.py as root?
+* <b>A</b>: That's because zdtm.py runs all sub-tests from non-existing non-root user. If you need root prio in your sub-test add <code>'flags': 'suid'</code> into test's .desc file.
[[Category: HOWTO]]
[[Category: HOWTO]]
[[Category: Under the hood]]
[[Category: Under the hood]]