LMTP crashing heavily for my 2.2.36 installation

[Wolfgang Rosenauer]

sorry for the empty mail. GMail UI confused me ;-)

I finally did a short term update to 2.3.2.1 and it seems to work (at least
no LMTP crashes to be seen).

But one other thing: One of my other mailservers is still on 2.2.36 but I
could not find any crash in the logs and also no other weird behaviour.
While I also use maildir there one difference in configuration is that it's
using
mail_attachment_detection_options = add-flags-on-save exclude-inlined

I also tested with an explicit mail including a file attachment because I
was not sure if I received an attachment during log retention time (this
server is just serving 5 personal accounts).
That's fine for me but I do not totally understand why it works (or at
least not crashes). I still have to verify if the flags are correctly
applied though.

In any case since I performed one upgrade to 2.3.x already I will be able
to update the other servers soon anyway. Just wanted to give that
feedback/observation.


Wolfgang


On Thu, Jul 12, 2018 at 6:47 AM, Wolfgang Rosenauer <wrosenauer at gmail.com>
wrote:

>
>
> On Wed, Jul 11, 2018 at 6:03 PM, Aki Tuomi <aki.tuomi at dovecot.fi> wrote:
>
>> One alternative is to migrate into sdbox format, in which this is
>> supported
>>
>>
>>
>> ---
>> Aki Tuomi
>> Dovecot oy
>>
>> -------- Original message --------
>> From: Wolfgang Rosenauer <wrosenauer at gmail.com>
>> Date: 11/07/2018 18:14 (GMT+02:00)
>> To: Timo Sirainen <tss at iki.fi>
>> Cc: Dovecot Mailing List <dovecot at dovecot.org>
>> Subject: Re: LMTP crashing heavily for my 2.2.36 installation
>>
>> follow up question.
>>
>> Is there a commit which is reasonable to backport for me into the
>> packages or is it too intrusive or based on heavily changed code?
>>
>>
>> Thanks,
>>  Wolfgang
>>
>> On Wed, Jul 11, 2018 at 3:32 PM, Wolfgang Rosenauer <wrosenauer at gmail.com
>> > wrote:
>>
>>>
>>> On Wed, Jul 11, 2018 at 10:46 AM, Timo Sirainen <tss at iki.fi> wrote:
>>>
>>>> On 11 Jul 2018, at 8.41, Wolfgang Rosenauer <wrosenauer at gmail.com>
>>>> wrote:
>>>> >
>>>> > I'm running 2.2.36 (as provided by openSUSE in their server:mail
>>>> repository) and at least at one of my systems LMTP is crashing regularly on
>>>> certain messages (apparently a lot of them).
>>>> >
>>>> > Sometimes (but not always a backtrace is posted to the logs:
>>>> >
>>>> > 2018-07-11T07:34:56.741848+02:00 saruman dovecot: lmtp(14690):
>>>> Fatal: master: service(lmtp): child 14690 killed with signal 11 (core dumps
>>>> disabled)
>>>> > 2018-07-11T07:34:56.820474+02:00 saruman dovecot: lmtp(an007498):
>>>> Panic: file imap-bodystructure.c: line 116 (part_write_body_multipart):
>>>> assertion failed: (part->data != NULL)
>>>> ..
>>>> > storage.so.0(mail_set_attachment_keywords+0x162) [0x7ff549773662]
>>>>
>>>> Looks like it's because of the "mail_attachment_detection_options =
>>>> add-flags-on-save" setting. What mailbox format do you use? It's currently
>>>> broken with mbox and in v2.2.36 with Maildir (which was fixed in v2.3.2).
>>>>
>>>> I'm indeed using maildir so this is a known issue and yes I use
>>> mail_attachment_detection_options=add-flags-on-save (or rather I tried
>>> to but now have to disable it). Not sure when I get to upgrade to 2.3.x.
>>>
>>>
>>> Thanks,
>>>  Wolfgang
>>>
>>
>>
>
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