On Tue, 2009-05-26 at 08:59 +0200, Chantal Rosmuller wrote: > On Tuesday 26 May 2009 08:48:17 Timo Sirainen wrote: > > On Tue, 2009-05-26 at 07:49 +0200, Chantal Rosmuller wrote: > > > Program received signal SIGSEGV, Segmentation fault. > > > 0xb7e0b5bf in unsetenv () from /lib/tls/i686/cmov/libc.so.6 > > > (gdb) #0 0xb7e0b5bf in unsetenv () from /lib/tls/i686/cmov/libc.so.6 > > > No symbol table info available. > > > #1 0xb7ff80dd in env_remove () from /usr/lib/dovecot/deliver > > > No symbol table info available. > > > > This is a bug in glibc. It also crashes in CentOS 5. Lets see if Ubuntu > > gets it reported to upstream: > > > > https://bugs.launchpad.net/ubuntu/+source/glibc/+bug/380487 > > Really? And this is triggered by disable_plaintext_auth = no?
Well, it's triggered by the code sequence where environment is first cleared, and when Dovecot sees disable_plaintext_auth=no it makes sure that it's not in environment by calling unsetenv(), which causes glibc to crash. Having another setting in the middle adds a new environment and works around the glibc bug. > I moved the line but now I get status=deferred (temporary failure) > > probably a permission problem, I have been fiddling with the settings to > solve > the "command died" issue so I probably broke something. Either it's not able to write to log file or it wrote the error to log file.
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