nginx + passenger = segv in _rtld_error on restart on FreeBSD 8.0?

[Kostik Belousov]

On Wed, Dec 09, 2009 at 01:48:38AM -0000, Steven Hartland wrote:
> I'm currently testing nginx + passenger on FreeBSD 8.0 and I'm seeing a 
> strange
> segv which seems to indicate a core library error in _rtld_error. Could this
> be the case or is the stack just badly corrupted?
> 
> (gdb) bt
> #0  0x00000008005577dc in _rtld_error () from /libexec/ld-elf.so.1
> #1  0x0000000800557c3f in _rtld_error () from /libexec/ld-elf.so.1
> #2  0x0000000800557d5e in _rtld_error () from /libexec/ld-elf.so.1
> #3  0x000000080055851b in dladdr () from /libexec/ld-elf.so.1
> #4  0x00000008005585f3 in dladdr () from /libexec/ld-elf.so.1
> #5  0x000000080055576d in ?? () from /libexec/ld-elf.so.1
> #6  0x0000000000000001 in ?? ()
> #7  0x00000000004117f8 in 
> boost::detail::sp_counted_impl_p<Passenger::Application::StandardSession>::dispose (this=0x800768980) at 
> sp_counted_impl.hpp:78
> Previous frame inner to this frame (corrupt stack?)

You need to rebuild rtld with debugging information. Ideally, all shared
objects should have valid debug info.

At least, enter src/libexec/rtld-elf and do
make obj
make depend
make all install DEBUG_FLAGS=-g
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