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80ff10c81d
In 2.7, commit 0dc1cc93b ("MAJOR: fd: grab the tgid before manipulating
running") added a check to make sure we never try to delete an FD from
the wrong thread group. It already handles the specific case of an
isolated thread (e.g. stop a listener from the CLI) but forgot to take
into account the deinit() code iterating over all idle server connections
to close them. This results in the crash below during deinit() if thread
groups are enabled and idle connections exist on a thread group higher
than 1.
[WARNING] (15711) : Proxy decrypt stopped (cumulated conns: FE: 64, BE: 374511).
[WARNING] (15711) : Proxy stats stopped (cumulated conns: FE: 0, BE: 0).
[WARNING] (15711) : Proxy GLOBAL stopped (cumulated conns: FE: 0, BE: 0).
FATAL: bug condition "fd_tgid(fd) != ti->tgid && !thread_isolated()" matched at src/fd.c:369
call trace(11):
| 0x4a6060 [c6 04 25 01 00 00 00 00]: main-0x1d60
| 0x67fcc6 [c7 43 68 fd ad de fd 5b]: sock_conn_ctrl_close+0x16/0x1f
| 0x59e6f5 [48 89 ef e8 83 65 11 00]: main+0xf6935
| 0x60ad16 [48 8b 1b 48 81 fb a0 91]: free_proxy+0x716/0xb35
| 0x62750e [48 85 db 74 35 48 89 dd]: deinit+0xbe/0x87a
| 0x627ce2 [89 ef e8 97 76 e7 ff 0f]: deinit_and_exit+0x12/0x19
| 0x4a9694 [bf e6 ff 9d 00 44 89 6c]: main+0x18d4/0x2c1a
There's no harm though since all traffic already ended. This must be
backported to 2.7.
The HAProxy documentation has been split into a number of different files for ease of use. Please refer to the following files depending on what you're looking for : - INSTALL for instructions on how to build and install HAProxy - BRANCHES to understand the project's life cycle and what version to use - LICENSE for the project's license - CONTRIBUTING for the process to follow to submit contributions The more detailed documentation is located into the doc/ directory : - doc/intro.txt for a quick introduction on HAProxy - doc/configuration.txt for the configuration's reference manual - doc/lua.txt for the Lua's reference manual - doc/SPOE.txt for how to use the SPOE engine - doc/network-namespaces.txt for how to use network namespaces under Linux - doc/management.txt for the management guide - doc/regression-testing.txt for how to use the regression testing suite - doc/peers.txt for the peers protocol reference - doc/coding-style.txt for how to adopt HAProxy's coding style - doc/internals for developer-specific documentation (not all up to date)