Re: Symbol not found in /usr/sbin/cyrmaster on Ubuntu 18.04

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Hi,

This sounds like a problem in the package you're using.  

lock_nonblocking() is a macro defined in lib/cyr_lock.h, which just calls lock_setlock().  If it's trying to resolve "lock_nonblocking" as a symbol, that suggests something has gone awry in the build.

The locking method is chosen by configure automatically, but can be overridden by passing --with-lock=METHOD to configure:

>   --with-lock=METHOD      force use of METHOD for locking (flock or fcntl)

For what it's worth, lock_setlock() is defined in lib/lock_fcntl.c and lib/lock_flock.c.  Depending on configure options/etc, one of these will be linked into libcyrus_min.so, which I can see in your ldd output so that's probably not the problem.  (Also, it's not complaining about "lock_set", it's complaining about "lock_nonblocking".)

I don't know much about packaging, but it kind of sounds like the package has somehow been built with no lock method selected.

It's also interesting to note that you're running "/usr/sbin/cyrmaster" but it's linking against "/usr/local/lib/libcyrus_min.so.0".  Do you possibly have two different builds of Cyrus installed? (One in /usr, one in /usr/local.)

Have you reported this on the Ubuntu issue tracker?

Cheers,

ellie

On Thu, Jun 28, 2018, at 9:01 PM, Andrew Bernard wrote:
I am unable to start cyrmaster installed from the Ubuntu packages with a symbol not found error:

# ldd -r /usr/sbin/cyrmaster
    linux-vdso.so.1 (0x00007fff2d1bd000)
    libcyrus_min.so.0 => /usr/local/lib/libcyrus_min.so.0 (0x00007f2eb4f60000)
    libnetsnmpmibs.so.30 => /usr/lib/x86_64-linux-gnu/libnetsnmpmibs.so.30 (0x00007f2eb4ae5000)
    libnetsnmpagent.so.30 => /usr/lib/x86_64-linux-gnu/libnetsnmpagent.so.30 (0x00007f2eb487c000)
    libnetsnmp.so.30 => /usr/lib/x86_64-linux-gnu/libnetsnmp.so.30 (0x00007f2eb45a0000)
    libm.so.6 => /lib/x86_64-linux-gnu/libm.so.6 (0x00007f2eb4202000)
    libc.so.6 => /lib/x86_64-linux-gnu/libc.so.6 (0x00007f2eb3e11000)
    libpcreposix.so.3 => /usr/lib/x86_64-linux-gnu/libpcreposix.so.3 (0x00007f2eb3c0e000)
    libz.so.1 => /lib/x86_64-linux-gnu/libz.so.1 (0x00007f2eb39f1000)
    libsensors.so.4 => /usr/lib/x86_64-linux-gnu/libsensors.so.4 (0x00007f2eb37e2000)
    libpci.so.3 => /lib/x86_64-linux-gnu/libpci.so.3 (0x00007f2eb35d4000)
    libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 (0x00007f2eb33d0000)
    libpthread.so.0 => /lib/x86_64-linux-gnu/libpthread.so.0 (0x00007f2eb31b1000)
    libwrap.so.0 => /lib/x86_64-linux-gnu/libwrap.so.0 (0x00007f2eb2fa7000)
    libperl.so.5.26 => /usr/lib/x86_64-linux-gnu/libperl.so.5.26 (0x00007f2eb2baa000)
    libcrypto.so.1.1 => /usr/lib/x86_64-linux-gnu/libcrypto.so.1.1 (0x00007f2eb2732000)
    /lib64/ld-linux-x86-64.so.2 (0x00007f2eb53dc000)
    libpcre.so.3 => /lib/x86_64-linux-gnu/libpcre.so.3 (0x00007f2eb24c0000)
    libresolv.so.2 => /lib/x86_64-linux-gnu/libresolv.so.2 (0x00007f2eb22a5000)
    libudev.so.1 => /lib/x86_64-linux-gnu/libudev.so.1 (0x00007f2eb2087000)
    libnsl.so.1 => /lib/x86_64-linux-gnu/libnsl.so.1 (0x00007f2eb1e6d000)
    libcrypt.so.1 => /lib/x86_64-linux-gnu/libcrypt.so.1 (0x00007f2eb1c35000)
    librt.so.1 => /lib/x86_64-linux-gnu/librt.so.1 (0x00007f2eb1a2d000)
undefined symbol: lock_nonblocking    (/usr/sbin/cyrmaster)

For reasons unknown to me, a Google search for the term lock_nonblocking returns nothing at all related, which I thought somewhat strange. What am I missing understanding here?

Andrew


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