Re: LMTPD process stuck at 100% - blocking mail deliveries - 3.8.1

>> Hi All,
>>
>> I tried upgrading from 3.4.5 to 3.8.1.
>> All the steps went fine and I could access my emails.
>>
>> However, when I restarted postfix to have emails delivered, I   
>> noticed the "lmtpd" process to be stuck at 100%.
>> No emails were being delivered and all was stuck.
>
> I face this from time to time on my 3.2.6 murder cluster.
> strace shows that the process qets stuck in conversations index.
>
> kill process, ctl_conversationsdb -z user and then  
> ctl_conversationsdb -b user makes lmtp working again.
> Sometimes I had to rm user.conversations but that was maybe when I  
> didn't wait for -z to finish.

Thank you for your reply.
Unfortunately, I don't think this was the cause.

I checked which files it had open (using lsof), and it only showed  
"deliver.db"
This file is on a tmpfs and is rebuild every time the server restarts.
This was recommended in the documentation when I upgraded to 3.4.x in  
the past and I haven't had any issues with that since.

And I did try this, but every time postfix would start trying to  
deliver emails, the lmtpd would instantly lock up.
And I did do "reconstruct" and "ctl_conversationsdb" commands in  
between tries.

Kind regards,

Joost


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