On Fri, 25 Mar 2011, Ferenc Kovacs wrote:
> Package: base-files
> Version: 6.0squeeze1
> Severity: minor
>
> I've debuged some php script with strace when I noticed the following lines
> in the strace output:
> open("/lib/tls/x86_64/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> open("/lib/tls/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> open("/lib/x86_64/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> open("/lib/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> open("/usr/lib/tls/x86_64/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No such
> file or directory)
> open("/usr/lib/tls/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> open("/usr/lib/x86_64/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> open("/usr/lib/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No such file or
> directory)
> open("/lib/x86_64-linux-gnu/tls/x86_64/libnss_db.so.2", O_RDONLY) = -1 ENOENT
> (No such file or directory)
> open("/lib/x86_64-linux-gnu/tls/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No
> such file or directory)
> open("/lib/x86_64-linux-gnu/x86_64/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No
> such file or directory)
> open("/lib/x86_64-linux-gnu/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No such
> file or directory)
> open("/usr/lib/x86_64-linux-gnu/tls/x86_64/libnss_db.so.2", O_RDONLY) = -1
> ENOENT (No such file or directory)
> open("/usr/lib/x86_64-linux-gnu/tls/libnss_db.so.2", O_RDONLY) = -1 ENOENT
> (No such file or directory)
> open("/usr/lib/x86_64-linux-gnu/x86_64/libnss_db.so.2", O_RDONLY) = -1 ENOENT
> (No such file or directory)
> open("/usr/lib/x86_64-linux-gnu/libnss_db.so.2", O_RDONLY) = -1 ENOENT (No
> such file or directory)
I believe this is normal and expected. AFAIK, the nsswitch mechanism tries the
different services in order, and
the first one that gives an answer is the one that counts, so this is not a
real "dependency".
Unless this is proved to be really harmful, I don't see a need to change it.
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