[oi-dev] /usr/libexec/dovecot/anvil crashes immediately

[Stephan Althaus]

On 2/10/22 23:36, Bob Friesenhahn wrote:
> On Thu, 10 Feb 2022, Stephan Althaus wrote:
>>
>> o support your investigation, I tried mdb and it says
>>
>> mdb: target performed exec of /usr/libexec/dovecot/anvil
>> *Panic: epoll_ctl(add, 4) failed: Not owner (fd doesn't support epoll)*
>
> The last time I built dovecot under OmniOS (quite some time ago), it 
> picked up Linux compatibility functions such as epoll() which were 
> implemented for Linux system call emulation but did not work in 
> dovecot.  So the solution was to force using the more native poll(2) 
> instead.
>
> Bob

Hello!

There is some "ifdef" mechanic in there, so you could disable the epoll 
mechanism with a simple patch and make dovecot use a different approach.

Have a look in  core/m4/ioloop.m4


Ah, there is a configure option --with-ioloop=poll

Have a look in  core/configure.ac


Greetings,

Stephan
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