From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Tremer <michael.tremer@ipfire.org>
To: development@lists.ipfire.org
Subject: Re: Qos - crash (imq0)
Date: Fri, 23 Mar 2018 16:57:52 +0000
Message-ID: <1521824272.556038.22.camel@ipfire.org>
In-Reply-To: <b1d46bf3-20c5-eaa8-f0cc-f208c95dfa10@ipfire.org>
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Hello,

this is a bug for a very long time that qosd crashes sometimes. However, nobo=
dy
caught this in the logs and the "Bus Error" doesn't help much either. Basical=
ly
means that memory was inaccessible.

Please create a ticket and if you can, please add more information and let's =
see
if we can get to the bottom of this.

However, this only affects the graphs and qosd does not need to run for the Q=
oS
to be fully operational.

Best,
-Michael

On Thu, 2018-03-22 at 21:01 +0100, Matthias Fischer wrote:
> Hi,
>=20
> I'm playing with QoS since a few weeks on a Duo Box with (4 GB RAM), running
> smoothly.
>=20
> Now it happened twice - once two weeks ago, once yesterday - that QoS crash=
ed
> with the following kernel messages:
>=20
> ***SNIP***
> ...
> 04:50:35 kernel:  grsec: Invalid alignment/Bus error occurred at b1928000 in
> /usr/local/bin/qosd[qosd:3695] uid/euid:0/0 gid/egid:0/0, parent
> /sbin/init[init:1] uid/euid:0/0 gid/egid:0/0
> 04:50:35 kernel:  grsec: denied resource overstep by requesting 4096 for
> RLIMIT_CORE against limit 0 for /usr/local/bin/qosd[qosd:3695] uid/euid:0/0
> gid/egid:0/0, parent /sbin/init[init:1] uid/euid:0/0 gid/egid:0/0
> ...
> ***SNAP***
>=20
> System was still running without problems, but 'imq0'-QoS-graph was empty,
> only showing "-nan"-rates. 'red0'-graph was ok.
>=20
> Can someone explain what happened here and perhaps how to fix this? Shall I
> open a ticket at Bugzilla?
>=20
> Best,
> Matthias

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