[gentoo-dev] Prelink and init

[Stefan Jones]

Hi all,

I am trying to bury bug http://bugs.gentoo.org/show_bug.cgi?id=42929

If you run prelink and change /sbin/init then you have to run "init u"
otherwise you cannot unmount the root filesystem as the kernel has a
stray mmap memory segment relating to the old /sbin/int executable.

"init u" re-executes the binary getting rid of the old mmap.

Now the old solution I can think of is a quick hack in the main()
function of the prelink executable to run this command automatically if
/sbin/init is changed. This can be disabled with a command line switch.

Any comments, if no other solutions I will implement it,

Stefan


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