* LTTNG Session daemon is crashing when i launch lttng
@ 2025-04-02 3:41 Deemanth P J via lttng-dev
2025-04-02 14:36 ` Kienan Stewart via lttng-dev
0 siblings, 1 reply; 2+ messages in thread
From: Deemanth P J via lttng-dev @ 2025-04-02 3:41 UTC (permalink / raw)
To: lttng-dev
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Hi all,
We are new to Lttng,
We have integrated lttng in my image ,
whenever I launch lttng we observe hung behavior,
So launched just lttng session daemon I observe crash,
Please help us in moving further
root@sa8797:/usr/bin# lttng-sessiond --verbose
DBG1 - 17:44:14.742294853 [Main]: [sessiond configuration]
DBG1 - 17:44:14.742326260 [Main]: version 2.13.9
DBG1 - 17:44:14.742350999 [Main]: verbose: 1
DBG1 - 17:44:14.742374333 [Main]: verbose consumer: 0
DBG1 - 17:44:14.742516468 [Main]: quiet mode: False
DBG1 - 17:44:14.742524437 [Main]: agent_tcp_port: [5345, 5354]
DBG1 - 17:44:14.742531572 [Main]: application socket timeout: 5
DBG1 - 17:44:14.742538083 [Main]: no-kernel: False
DBG1 - 17:44:14.742544645 [Main]: background: False
DBG1 - 17:44:14.742551260 [Main]: daemonize: False
DBG1 - 17:44:14.742558083 [Main]: signal parent on start: False
DBG1 - 17:44:14.742564645 [Main]: tracing group name: tracing
DBG1 - 17:44:14.742571885 [Main]: kmod_probe_list: None
DBG1 - 17:44:14.742578708 [Main]: kmod_extra_probe_list: None
DBG1 - 17:44:14.742585374 [Main]: rundir: /var/run/lttng
DBG1 - 17:44:14.742591937 [Main]: application socket path: /var/run/lttng/lttng-ust-sock-8
DBG1 - 17:44:14.742599385 [Main]: client socket path: /var/run/lttng/client-lttng-sessiond
DBG1 - 17:44:14.742605999 [Main]: wait shm path: /lttng-ust-wait-8
DBG1 - 17:44:14.742612978 [Main]: health socket path: /var/run/lttng/sessiond-health
DBG1 - 17:44:14.742619593 [Main]: LTTNG_UST_CLOCK_PLUGIN: None
DBG1 - 17:44:14.742626156 [Main]: pid file path: /var/run/lttng/lttng-sessiond.pid
DBG1 - 17:44:14.742633551 [Main]: lock file path: /var/run/lttng/lttng-sessiond.lck
DBG1 - 17:44:14.742640166 [Main]: session load path: None
DBG1 - 17:44:14.742646728 [Main]: agent port file path: /var/run/lttng/agent.port
DBG1 - 17:44:14.742653551 [Main]: consumerd32 path: /var/run/lttng/ustconsumerd32
DBG1 - 17:44:14.742660114 [Main]: consumerd32 bin path: Unknown
DBG1 - 17:44:14.742666624 [Main]: consumerd32 lib dir: Unknown
DBG1 - 17:44:14.742673812 [Main]: consumerd32 err unix sock path:/var/run/lttng/ustconsumerd32/error
DBG1 - 17:44:14.742680478 [Main]: consumerd32 cmd unix sock path:/var/run/lttng/ustconsumerd32/command
DBG1 - 17:44:14.742688864 [Main]: consumerd64 path: /var/run/lttng/ustconsumerd64
DBG1 - 17:44:14.742698916 [Main]: consumerd64 bin path: /usr/lib/lttng/libexec/lttng-consumerd
DBG1 - 17:44:14.742705478 [Main]: consumerd64 lib dir: /usr/lib
DBG1 - 17:44:14.742712353 [Main]: consumerd64 err unix sock path:/var/run/lttng/ustconsumerd64/error
DBG1 - 17:44:14.742719020 [Main]: consumerd64 cmd unix sock path:/var/run/lttng/ustconsumerd64/command
DBG1 - 17:44:14.742725947 [Main]: kconsumerd path: /var/run/lttng/kconsumerd
DBG1 - 17:44:14.742732666 [Main]: kconsumerd err unix sock path: /var/run/lttng/kconsumerd/error
DBG1 - 17:44:14.742739228 [Main]: kconsumerd cmd unix sock path: /var/run/lttng/kconsumerd/command
DBG1 - 17:44:14.742748656 [Main]: Starting lttng-sessiond {3cf95868-38f8-494d-963a-0c83c13262dd} (in sessiond_uuid_log() at ../../../../lttng-tools-2.13.9/src/bin/lttng-sessiond/main.c:1437)
DBG1 - 17:44:14.743890166 [Main]: Resetting run_as worker signal handlers to default (in reset_sighandler() at ../../../lttng-tools-2.13.9/src/common/runas.c:1377)
DBG1 - 17:44:14.743934593 [Main]: run_as signal handler set for SIGTERM and SIGINT (in set_worker_sighandlers() at ../../../lttng-tools-2.13.9/src/common/runas.c:1438)
Thanks,
Deemanth PJ
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: LTTNG Session daemon is crashing when i launch lttng
2025-04-02 3:41 LTTNG Session daemon is crashing when i launch lttng Deemanth P J via lttng-dev
@ 2025-04-02 14:36 ` Kienan Stewart via lttng-dev
0 siblings, 0 replies; 2+ messages in thread
From: Kienan Stewart via lttng-dev @ 2025-04-02 14:36 UTC (permalink / raw)
To: Deemanth P J, lttng-dev
Hi Deemanth,
On 4/1/25 11:41 PM, Deemanth P J via lttng-dev wrote:
> Hi all,
> We are new to Lttng,
> We have integrated lttng in my image ,
> whenever I launch lttng we observe hung behavior,
> So launched just lttng session daemon I observe crash,
> Please help us in moving further
>
The log you have sent doesn't appear to show a crash or a hang. Could
you describe in the detail the steps to reproduce the issue?
Please consult the bug reporting guideline[1] to make sure you are
including as much useful information as possible.
thanks,
kienan
[1]: https://lttng.org/community/#bug-reporting-guidelines
>
> root@sa8797:/usr/bin# lttng-sessiond --verbose
> DBG1 - 17:44:14.742294853 [Main]: [sessiond configuration]
> DBG1 - 17:44:14.742326260 [Main]: version 2.13.9
> DBG1 - 17:44:14.742350999 [Main]: verbose: 1
> DBG1 - 17:44:14.742374333 [Main]: verbose consumer: 0
> DBG1 - 17:44:14.742516468 [Main]: quiet mode: False
> DBG1 - 17:44:14.742524437 [Main]: agent_tcp_port: [5345, 5354]
> DBG1 - 17:44:14.742531572 [Main]: application socket timeout: 5
> DBG1 - 17:44:14.742538083 [Main]: no-kernel: False
> DBG1 - 17:44:14.742544645 [Main]: background: False
> DBG1 - 17:44:14.742551260 [Main]: daemonize: False
> DBG1 - 17:44:14.742558083 [Main]: signal parent on start: False
> DBG1 - 17:44:14.742564645 [Main]: tracing group name: tracing
> DBG1 - 17:44:14.742571885 [Main]: kmod_probe_list: None
> DBG1 - 17:44:14.742578708 [Main]: kmod_extra_probe_list: None
> DBG1 - 17:44:14.742585374 [Main]: rundir: /var/run/lttng
> DBG1 - 17:44:14.742591937 [Main]: application socket path: /var/run/lttng/lttng-ust-sock-8
> DBG1 - 17:44:14.742599385 [Main]: client socket path: /var/run/lttng/client-lttng-sessiond
> DBG1 - 17:44:14.742605999 [Main]: wait shm path: /lttng-ust-wait-8
> DBG1 - 17:44:14.742612978 [Main]: health socket path: /var/run/lttng/sessiond-health
> DBG1 - 17:44:14.742619593 [Main]: LTTNG_UST_CLOCK_PLUGIN: None
> DBG1 - 17:44:14.742626156 [Main]: pid file path: /var/run/lttng/lttng-sessiond.pid
> DBG1 - 17:44:14.742633551 [Main]: lock file path: /var/run/lttng/lttng-sessiond.lck
> DBG1 - 17:44:14.742640166 [Main]: session load path: None
> DBG1 - 17:44:14.742646728 [Main]: agent port file path: /var/run/lttng/agent.port
> DBG1 - 17:44:14.742653551 [Main]: consumerd32 path: /var/run/lttng/ustconsumerd32
> DBG1 - 17:44:14.742660114 [Main]: consumerd32 bin path: Unknown
> DBG1 - 17:44:14.742666624 [Main]: consumerd32 lib dir: Unknown
> DBG1 - 17:44:14.742673812 [Main]: consumerd32 err unix sock path:/var/run/lttng/ustconsumerd32/error
> DBG1 - 17:44:14.742680478 [Main]: consumerd32 cmd unix sock path:/var/run/lttng/ustconsumerd32/command
> DBG1 - 17:44:14.742688864 [Main]: consumerd64 path: /var/run/lttng/ustconsumerd64
> DBG1 - 17:44:14.742698916 [Main]: consumerd64 bin path: /usr/lib/lttng/libexec/lttng-consumerd
> DBG1 - 17:44:14.742705478 [Main]: consumerd64 lib dir: /usr/lib
> DBG1 - 17:44:14.742712353 [Main]: consumerd64 err unix sock path:/var/run/lttng/ustconsumerd64/error
> DBG1 - 17:44:14.742719020 [Main]: consumerd64 cmd unix sock path:/var/run/lttng/ustconsumerd64/command
> DBG1 - 17:44:14.742725947 [Main]: kconsumerd path: /var/run/lttng/kconsumerd
> DBG1 - 17:44:14.742732666 [Main]: kconsumerd err unix sock path: /var/run/lttng/kconsumerd/error
> DBG1 - 17:44:14.742739228 [Main]: kconsumerd cmd unix sock path: /var/run/lttng/kconsumerd/command
> DBG1 - 17:44:14.742748656 [Main]: Starting lttng-sessiond {3cf95868-38f8-494d-963a-0c83c13262dd} (in sessiond_uuid_log() at ../../../../lttng-tools-2.13.9/src/bin/lttng-sessiond/main.c:1437)
> DBG1 - 17:44:14.743890166 [Main]: Resetting run_as worker signal handlers to default (in reset_sighandler() at ../../../lttng-tools-2.13.9/src/common/runas.c:1377)
> DBG1 - 17:44:14.743934593 [Main]: run_as signal handler set for SIGTERM and SIGINT (in set_worker_sighandlers() at ../../../lttng-tools-2.13.9/src/common/runas.c:1438)
>
>
>
> Thanks,
> Deemanth PJ
>
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2025-04-02 14:36 ` Kienan Stewart via lttng-dev
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