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Re: [paho-dev] Memory management issue
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Hi Ian,
first tests are good concerning this issue.
----- Mail original -----
De: "Ian Craggs" <icraggs@xxxxxxxxxxxxxxxxxxxxxxx>
À: paho-dev@xxxxxxxxxxx
Envoyé: Mardi 22 Juillet 2014 17:29:09
Objet: Re: [paho-dev] Memory management issue
Hi Nicolas,
that is fixed now. I was making some changes for bug #433871 (Outgoing
messages should be able to be tracked while they are queued up).
Initially I was intending to submit the changes to gerrit, and I thought
the updates would be quite small so I would be finished quickly.
However a) the changes went straight in without getting a review and b)
not so small.
The master branch should be settled down now. I'll make further updates
in develop until they're good.
Ian
On 07/22/2014 03:41 PM, Nicolas GAUTHIER wrote:
> Hi guys,
>
> we are currently in development pĥase and so, we use paho everyday. Since today pulls on master, we are expecting some crashs.
> We are using an ARM board Debian based.
> We think that this crash occur just after reconnection.
> We send you few more traces and hope we can help you to fix the problem.
> If you need, request more informations.
>
> Thank you.
>
> Application traces on runtime (application launched with MQTT_C_CLIENT_TRACE=ON MQTT_C_CLIENT_TRACE_LEVEL=PROTOCOL) :
>
> 20140722 142111.300 7 client2 -> PUBLISH msgid: 78 qos: 1 retained: 1 (0) payload: 66
> 20140722 142111.302 7 client2 <- PUBACK msgid: 78
> 20140722 142112.300 9 client1 -> PUBLISH msgid: 7 qos: 1 retained: 1 (0) payload: 58
> 20140722 142112.303 9 client1 <- PUBACK msgid: 7
> 20140722 142126.364 7 client2 -> PINGREQ (0)
> 20140722 142126.365 9 client1 -> PINGREQ (0)
> 20140722 142126.369 7 client2 -> DISCONNECT (-1)
> 20140722 142126.369 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142126.370 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142126.370 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142126.370 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142126.370 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142126.370 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142126.370 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142126.370 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142126.370 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142126.376 7 client2 -> CONNECT cleansession: 1 (0)
> 20140722 142126.379 9 client1 <- PINGRESP
> 20140722 142127.381 7 client2 -> CONNECT cleansession: 1 (0)
> 20140722 142127.383 7 client2 <- CONNACK rc: 0
> 20140722 142127.383 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142127.383 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142127.383 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142127.383 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142127.383 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142127.383 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142127.383 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142127.383 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 843
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 844
> 20140722 142127.385 Failed to remove heap item at file src/MQTTAsync.c line 845
> 20140722 142127.393 7 client2 -> SUBSCRIBE msgid: 5 (0)
> 20140722 142127.395 7 client2 -> SUBSCRIBE msgid: 5 (0)
> 20140722 142127.396 7 client2 -> SUBSCRIBE msgid: 5 (0)
> 20140722 142127.396 7 client2 -> SUBSCRIBE msgid: 5 (0)
> 20140722 142127.401 7 client2 -> PUBLISH msgid: 5 qos: 1 retained: 1 (0) payload: true
> 20140722 142127.402 7 client2 <- SUBACK msgid: 5
> 20140722 142127.403 7 client2 <- PUBLISH msgid: 1 qos: 1 retained: 1 payload: 1
> 20140722 142127.404 7 client2 -> PUBACK msgid: 1 (0)
> 20140722 142127.405 7 client2 <- SUBACK msgid: 5
> 20140722 142127.406 7 client2 <- PUBLISH msgid: 2 qos: 1 retained: 1 payload: 60
> 20140722 142127.406 7 client2 -> PUBACK msgid: 2 (0)
> 20140722 142127.409 7 client2 <- SUBACK msgid: 5
> 20140722 142127.410 7 client2 <- PUBLISH msgid: 3 qos: 1 retained: 1 payload: 100
> 20140722 142127.410 7 client2 -> PUBACK msgid: 3 (0)
> Segmentation fault (core dumped)
>
> Backtrace GDB :
>
> (gdb) bt
> #0 0xb6f376a0 in isReady () from ./libpaho-mqtt3a.so.1
> #1 0xb6f38112 in Socket_getReadySocket () from ./libpaho-mqtt3a.so.1
> #2 0xb6f35c78 in MQTTAsync_cycle () from ./libpaho-mqtt3a.so.1
> #3 0xb6f35fec in MQTTAsync_receiveThread () from ./libpaho-mqtt3a.so.1
> #4 0xb6ab1ebc in start_thread (arg=0xb5e80450) at pthread_create.c:306
> #5 0xb6920328 in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:116 from /lib/arm-linux-gnueabihf/libc.so.6
> #6 0xb6920328 in ?? () at ../ports/sysdeps/unix/sysv/linux/arm/nptl/../clone.S:116 from /lib/arm-linux-gnueabihf/libc.so.6
> Backtrace stopped: previous frame identical to this frame (corrupt stack?)
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--
Ian Craggs
icraggs@xxxxxxxxxx IBM United Kingdom
Committer on Paho, Mosquitto
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