>
>
>
>
> miquels@cistron.nl (Miquel van Smoorenburg) said:
> > If the rootfs cannot be unmounted (which is really remounted R/O)
> > cleanly at shutdown with newer kernels, you should investigate the
> > reason and fix the bug instead of guessing what is could be and
> > inventing a workaround.
>
> What's happening is that init still has mmaped a deleted version
> of /etc/ld.so.cache (ldconfig deleted the old one when building
> a new one). This deleted file which still has some live reference
> prevents the RO remount of root.
> Using -static linking fixes this (and also the case when you
> just reinstalled your libc). Or you could still link dynamically, but with
> "-Wl,-rpath,/lib". When ld-linux.so looks for libc, it first
> checks the RPATH contained in the executable (if any). Failing that
> it will mmap /etc/ld.so.cache and use the information there.
> I'm using the latter and the dirty shutdowns have gone away :)
>
> Cheers, Roderich
Hi,
Well, now I know why I don't have the problem at least. Any idea why
I don't even _have_ a map for /etc/ld.so.cache? This is sysvinit-2.74
compiled straight out of the box (no -rpath).
-Mike
08048000-0804f000 r-xp 00000000 08:32 10244 /sbin/init
0804f000-08050000 rw-p 00006000 08:32 10244 /sbin/init
08050000-08054000 rwxp 00000000 00:00 0
40000000-40013000 r-xp 00000000 08:32 260205 /lib/ld-2.0.95.so
40013000-40014000 rw-p 00012000 08:32 260205 /lib/ld-2.0.95.so
40014000-400ff000 r-xp 00000000 08:32 260141 /lib/libc-2.0.95.so
400ff000-40104000 rw-p 000ea000 08:32 260141 /lib/libc-2.0.95.so
40104000-40108000 rw-p 00000000 00:00 0
bfffe000-c0000000 rwxp fffff000 00:00 0
-
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