Date: Tue, 08 Dec 2015 18:12:26 +0100 From: sebastian@wolfgarten.com To: junovitch@freebsd.org Cc: ports@freebsd.org, adamw@freebsd.org Subject: Re: Fwd: Memory leak or misconfiguration: Repeated allocation of very large block Message-ID: <6111ebff38002541b078fbdfd0c7aff9@wolfgarten.com> In-Reply-To: <4E7AE89D-AEE8-4F58-9BE1-3F8B476AA2B2@FreeBSD.org> References: <7FBFC8D1-EE93-4F14-8A7B-60DA1078F4E2@wolfgarten.com> <AA50CF4B-6F0E-43BA-B389-9BFAB35AB72E@wolfgarten.com> <4E7AE89D-AEE8-4F58-9BE1-3F8B476AA2B2@FreeBSD.org>
next in thread | previous in thread | raw e-mail | index | archive | help
Hi,
I believe this has been solved, thanks for following up. Adam in CC has
taken care.
Best regards
Sebastian
Am 2015-12-08 18:03, schrieb Jason Unovitch:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA512
>
> On December 5, 2015 6:43:55 AM EST, Sebastian Wolfgarten
> <sebastian@wolfgarten.com> wrote:
>> Any views on this?
>>
>>> Anfang der weitergeleiteten Nachricht:
>>>
>>> Von: Sebastian Wolfgarten <sebastian@wolfgarten.com>
>>> Datum: 25. Oktober 2015 um 11:55:42 MEZ
>>> An: ports@freebsd.org
>>> Betreff: Wtr: Memory leak or misconfiguration: Repeated allocation of
>> very large block
>>>
>>> To whom it may concern,
>>>
>>> in view of the discussion below may I suggest we remove the --with-gc
>> option from the Dovecot default options?
>>>
>>> Thanks.
>>>
>>> Kind regards
>>> Sebastian
>>>
>>>> Anfang der weitergeleiteten Nachricht:
>>>>
>>>> Von: Sebastian Wolfgarten <sebastian@wolfgarten.com
>> <mailto:sebastian@wolfgarten.com>>
>>>> Datum: 25. Oktober 2015 um 11:54:15 MEZ
>>>> An: Timo Sirainen <tss@iki.fi <mailto:tss@iki.fi>>
>>>> Kopie: dovecot@dovecot.org <mailto:dovecot@dovecot.org>
>>>> Betreff: Aw: Memory leak or misconfiguration: Repeated allocation of
>> very large block
>>>>
>>>> Hi Timo,
>>>>
>>>> alright, thanks I will recompile without gc - this is a standard
>> build option on FreeBSD but I will get the port maintainer to maybe
>> change this.
>>>>
>>>> Best regards
>>>> Sebastian
>>>>
>>>>> Am 24.10.2015 um 23:19 schrieb Timo Sirainen <tss@iki.fi
>> <mailto:tss@iki.fi>>:
>>>>>
>>>>> On 24 Oct 2015, at 14:59, Sebastian Wolfgarten
>> <sebastian@wolfgarten.com <mailto:sebastian@wolfgarten.com>> wrote:
>>>>>>
>>>>>> Dear all,
>>>>>>
>>>>>> I am using Dovecot 2.2.19 and I keep on getting the following
>> warnings in my mail.log file on FreeBSD 10:
>>>>>>
>>>>>> Oct 24 10:45:28 server1 dovecot: imap: Error: GC Warning: Repeated
>> allocation of very large block (appr. size 20480):
>>>>>> Oct 24 10:45:28 server1 dovecot: imap: Error: May lead to memory
>> leak and poor performance.
>>>>>>
>>>>>> I am wondering whether this is a configuration issue (i.e. a
>> mistake in my current config) or whether I am hitting a bug. What’s
>> the
>> best way of figuring this one out? I tried increasing the verbosity of
>> the logs but it did not really provide me with further information.
>>>>>
>>>>> I guess you have configured Dovecot --with-gc? I guess it's
>> possible this is a bug, but it could just as well be a false alarm. In
>> general I don't recommend/support --with-gc option (and I should
>> probably just remove it altogether). The easiest and the most usable
>> way of finding memory leaks is to run with valgrind (which must be
>> done
>> without-gc):
>>>>>
>>>>> service imap {
>>>>> executable = /usr/bin/valgrind -q --show-reachable=yes
>> --leak-check=full /usr/libexec/dovecot/imap
>>>>> }
>>>>>
>>>>> I'm not aware of any memory leaks right now.
>>>>>
>>>>
>>>
>
> Have you filed a PR for the issue and/or reported this to the
> mail/dovecot2 maintainer?
> -----BEGIN PGP SIGNATURE-----
>
> iQFHBAEBCgAxKhxKYXNvbiBVbm92aXRjaCA8amFzb24udW5vdml0Y2hAZ21haWwu
> Y29tPgUCVmcNXAAKCRBv1JwwFhyqbuCBB/0Yqw6Bhecsegznzx21WxZD+aJzd9k5
> 8OPUT3VbTtkK33BKgozZYFzEW0+9XSdU6vK+AreuBcWAtMb34F5W6H3uqfezv0by
> HvdftdIbUao1TYUhGlDL21k1PaNNPpfoDkqpTTV0eEAuM0p3ZZP3YWwWSXGzmvgu
> KGZKdx3SF/oy6Ut2DHYZIj5JQVBd20wZrFtKt6/orudn12eFEfWcB9fTqQ1ESJBf
> Q1Ue2zsPUQn7AcbP/UW99CdgV+BTM5rI7yZu8ohnJWj0rimSmWMWY5cqbzbBkTem
> hBRdJ+KMD0SpdOHw7zGMHKN+MHLWCBl+4ZmIUxOEPbolLoljAdvbTt4i
> =FN+e
> -----END PGP SIGNATURE-----
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?6111ebff38002541b078fbdfd0c7aff9>