----- On Jan 5, 2022, at 4:27 PM, Mathieu Desnoyers mathieu.desnoyers@xxxxxxxxxxxx wrote: > Hi, > > This is a release announcement for the LTTng-UST 2.12.3 and 2.11.5 > tracer. Those are bug fix releases. > > The 2.11.5 release marks the end of life (EOL) of the stable-2.11 branch. > Users experiencing issues with the 2.11 branch are expected to upgrade to > either 2.12.3 or 2.13.1. > > Note that the latest stable branch is 2.13 (its most recent release > is 2.13.1, released on December 10, 2021). > > * Notable changes in 2.12.3: > > Two notable fixes are "Fix: nestable pthread cancelstate" and > "Fix: abort on decrement_sem_count during concurrent tracing start and > teardown", > which fix a rare deadlock scenario at application exit. Just as a clarification, the second fix corrects a race scenario triggering an assertion failure. Thanks, MAthieu > > Another notable fix is "fix: liblttng-ust-fd async-signal-safe close()", which > ensures that the implementation of the symbol interposition for "close" is > async-signal safe, as it should be. > > Please refer to the change logs below for the fixes contained in those > two releases. > > Feedback is welcome, > > Thanks, > > Mathieu > > Project website: https://lttng.org > Documentation: https://lttng.org/docs > Download link: https://lttng.org/download > > > 2022-01-05 (National Bird Day) lttng-ust 2.12.3 > * Fix: ust-cancelstate: include string.h for strerror > * Fix: lttng-ust-fd: remove lttng_ust_common_ctor call > * Fix: nestable pthread cancelstate > * Fix: abort on decrement_sem_count during concurrent tracing start and teardown > * fix: liblttng-ust-fd async-signal-safe close() > * Set git-review branch to stable-2.12 > * fix: link benchmark with pthread > * Fix: liblttng-ust-ctl have dependencies on liburcu > * Fix: add extern "C" to two header files > > 2022-01-05 (National Bird Day) lttng-ust 2.11.5 > * Set git-review branch to stable-2.11 > * fix: allow building with userspace-rcu 0.13 > > -- > Mathieu Desnoyers > EfficiOS Inc. > http://www.efficios.com -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
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