Your message dated Sat, 08 Mar 2025 16:17:11 +0000
with message-id <[email protected]>
and subject line Bug#1090850: fixed in ltt-control 2.13.9-1+deb12u1
has caused the Debian Bug report #1090850,
regarding lttng consumer randomly crashes during applications being torn-down
to be marked as done.
This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.
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--
1090850: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1090850
Debian Bug Tracking System
Contact [email protected] with problems
--- Begin Message ---
Package: lttng-tools
Version: 2.13.9-1
Severity: normal
The image we tested is based on bookworm, during system shutdown,
when closing the applications and lttng, we observed lttng consumer
randomly crashes with below log message:
lttng-consumerd: consumer.c:1638: lttng_consumer_on_read_subbuffer_mmap:
Assertion `stream->net_seq_idx != (uint64_t) -1ULL || stream->trace_chunk'
failed.
After checking the core dump files, we examined the out_fd of stream is -1
inside lttng_consumer_on_read_subbuffer_mmap().
(gdb) bt
#0 0x00007fed75855e3c in ?? () from /usr/lib/x86_64-linux-gnu/libc.so.6
#1 0x00007fed75806fb2 in raise () from /usr/lib/x86_64-linux-gnu/libc.so.6
#2 0x00007fed757f1472 in abort () from /usr/lib/x86_64-linux-gnu/libc.so.6
#3 0x00007fed757f1395 in ?? () from /usr/lib/x86_64-linux-gnu/libc.so.6
#4 0x00007fed757ffeb2 in __assert_fail () from
/usr/lib/x86_64-linux-gnu/libc.so.6
#5 0x000055796fb8accd in lttng_consumer_on_read_subbuffer_mmap
(stream=0x7fed5c04a5a0, buffer=0x7fed667faff0, padding=3006) at
./src/common/consumer/consumer.c:1638
#6 0x000055796fb9b5e7 in consumer_stream_consume_mmap (ctx=0x5f9,
stream=0x7fed5c04a5a0, subbuffer=0x7fed667faff0) at
./src/common/consumer/consumer-stream.c:171
#7 0x000055796fb95d31 in lttng_consumer_read_subbuffer (stream=0x7fed5c04a5a0,
ctx=0x557970657fb0, locked_by_caller=<optimized out>) at
./src/common/consumer/consumer.c:3435
#8 0x000055796fb8f1ac in consumer_thread_data_poll (data=0x557970657fb0) at
./src/common/consumer/consumer.c:2742
#9 0x00007fed75854144 in ?? () from /usr/lib/x86_64-linux-gnu/libc.so.6
#10 0x00007fed758d47dc in ?? () from /usr/lib/x86_64-linux-gnu/libc.so.6
(gdb) up 5
#5 0x000055796fb8accd in lttng_consumer_on_read_subbuffer_mmap
(stream=0x7fed5c04a5a0, buffer=0x7fed667faff0, padding=3006) at
./src/common/consumer/consumer.c:1638
1638 ./src/common/consumer/consumer.c: No such file or directory.
(gdb) p stream->out_fd
$2 = -1
This behavior looks similar to the known reported issue :
https://bugs.lttng.org/issues/1372,
that fix has been merged in master.
Is there any plan to backport the fix solution to lttng-tools 2.13.9-1
for bookworm?
Thank you!
Yong
--- End Message ---
--- Begin Message ---
Source: ltt-control
Source-Version: 2.13.9-1+deb12u1
Done: Michael Jeanson <[email protected]>
We believe that the bug you reported is fixed in the latest version of
ltt-control, which is due to be installed in the Debian FTP archive.
A summary of the changes between this version and the previous one is
attached.
Thank you for reporting the bug, which will now be closed. If you
have further comments please address them to [email protected],
and the maintainer will reopen the bug report if appropriate.
Debian distribution maintenance software
pp.
Michael Jeanson <[email protected]> (supplier of updated ltt-control package)
(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing [email protected])
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA512
Format: 1.8
Date: Thu, 06 Feb 2025 13:14:39 -0500
Source: ltt-control
Architecture: source
Version: 2.13.9-1+deb12u1
Distribution: bookworm
Urgency: medium
Maintainer: Jon Bernard <[email protected]>
Changed-By: Michael Jeanson <[email protected]>
Closes: 1090850
Changes:
ltt-control (2.13.9-1+deb12u1) bookworm; urgency=medium
.
* Bookworm gbp branch config
* Fix consumer crash on shutdown (Closes: #1090850)
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