On Thu, 19 Dec 2024 23:47:27 +0000 Yong Wang <yongw...@nvidia.com> wrote: > 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 Hi,
I will prepare an update for bookworm. Thanks, Michael
