Hi! On 2020-06-16 12:37 -0000, Stuart Henderson wrote: > On 2020-06-15, Alexander Strasser <eclip...@gmx.net> wrote: > > I had some imap crashes (sig11) starting at the end of 2019 after > > an upgrade of dovecot. > > > > I found out, that I didn't have any problems using version v2.3.8, > > but any version v2.3.9 and higher would trigger the crashes. > > > > After investigating more deeply and creating a core dump, I saw > > that the crash happened in an external plugin fetchmail_wakeup[1]. > > > > After recompiling that plugin with up to date dovecot headers, > > I didn't get crashes anymore. > > > > So I suspect there were ABI incompatible changes and it was > > forgotten to bump the minimum Plugin-ABI version supported. > > dovecot-2.3.8/configure > #define DOVECOT_ABI_VERSION "2.3.ABIv8($PACKAGE_VERSION)" > > dovecot-2.3.9/configure > #define DOVECOT_ABI_VERSION "2.3.ABIv9($PACKAGE_VERSION)" > > Did you disable version checking? (version_ignore = yes)
Thanks for the hint. I couldn't find version_ignore anywhere in the configs. I also don't remember having changed it. It's interesting that the ABI check didn't snap. Alexander
