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courier breaks under linux kernel 4.9

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courier breaks under linux kernel 4.9

AndCycle-2
Gentoo Linux dist.
Linux bacztwo 4.9.6-gentoo-r1 #2 SMP Wed Feb 8 04:09:10 CST 2017 x86_64
Intel(R) Xeon(R) CPU E3-1231 v3 @ 3.40GHz GenuineIntel GNU/Linux
mail-mta/courier-0.76.4

I recently upgrade by linux kernel to 4.9.2, which result in courier
spit out following error message

Feb  8 05:10:24 bacztwo courieresmtpd[8789]: started,ip=[190.173.150.46]
Feb  8 05:10:25 bacztwo courieresmtpd[18270]: gdbm fatal: couldn't init
cache
Feb  8 05:10:25 bacztwo courieresmtpd[8789]: submitclient: EOF from submit.
Feb  8 05:10:25 bacztwo courieresmtpd[8789]:
error,relay=190.173.150.46,msg="502 ESMTP command error",cmd: DATA

as it complain gdbm fatal error, courier won't accept any smtp mail,
in the end I have to put an boot option "ignore_rlimit_data" to solve
this issue,

is there other proper way to fix this issue?



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Re: courier breaks under linux kernel 4.9

Sam Varshavchik
AndCycle writes:

> Gentoo Linux dist.
> Linux bacztwo 4.9.6-gentoo-r1 #2 SMP Wed Feb 8 04:09:10 CST 2017 x86_64
> Intel(R) Xeon(R) CPU E3-1231 v3 @ 3.40GHz GenuineIntel GNU/Linux
> mail-mta/courier-0.76.4
>
> I recently upgrade by linux kernel to 4.9.2, which result in courier
> spit out following error message
>
> Feb  8 05:10:24 bacztwo courieresmtpd[8789]: started,ip=[190.173.150.46]
> Feb  8 05:10:25 bacztwo courieresmtpd[18270]: gdbm fatal: couldn't init
> cache
> Feb  8 05:10:25 bacztwo courieresmtpd[8789]: submitclient: EOF from submit.
> Feb  8 05:10:25 bacztwo courieresmtpd[8789]:
> error,relay=190.173.150.46,msg="502 ESMTP command error",cmd: DATA
>
> as it complain gdbm fatal error, courier won't accept any smtp mail,
> in the end I have to put an boot option "ignore_rlimit_data" to solve
> this issue,
>
> is there other proper way to fix this issue?
No issues with kernel 4.9.6 in Fedora.

What is ULIMIT set to, in your esmtpd configuration file? The default  
setting is 16384. Increase it.


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Re: courier breaks under linux kernel 4.9

AndCycle-2
On 2017/02/08 21:53, Sam Varshavchik wrote:

> AndCycle writes:
>
>> Gentoo Linux dist.
>> Linux bacztwo 4.9.6-gentoo-r1 #2 SMP Wed Feb 8 04:09:10 CST 2017 x86_64
>> Intel(R) Xeon(R) CPU E3-1231 v3 @ 3.40GHz GenuineIntel GNU/Linux
>> mail-mta/courier-0.76.4
>>
>> I recently upgrade by linux kernel to 4.9.2, which result in courier
>> spit out following error message
>>
>> Feb  8 05:10:24 bacztwo courieresmtpd[8789]: started,ip=[190.173.150.46]
>> Feb  8 05:10:25 bacztwo courieresmtpd[18270]: gdbm fatal: couldn't init
>> cache
>> Feb  8 05:10:25 bacztwo courieresmtpd[8789]: submitclient: EOF from
>> submit.
>> Feb  8 05:10:25 bacztwo courieresmtpd[8789]:
>> error,relay=190.173.150.46,msg="502 ESMTP command error",cmd: DATA
>>
>> as it complain gdbm fatal error, courier won't accept any smtp mail,
>> in the end I have to put an boot option "ignore_rlimit_data" to solve
>> this issue,
>>
>> is there other proper way to fix this issue?
>
> No issues with kernel 4.9.6 in Fedora.
>
> What is ULIMIT set to, in your esmtpd configuration file? The default
> setting is 16384. Increase it.
>
it's at default.
ULIMIT=16384

I will try to increase the value and remove the boot option at next
reboot to see if it helps,

thanks for you advice.


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