Details
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Bug
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Status: Closed (View Workflow)
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Minor
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Resolution: Fixed
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None
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None
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MXS-SPRINT-87
Description
Ran into a repeating crash when running the mxs621_unreadable_cnf test. Upon further inspection, there is a race condition in the shutdown code where the workers have already stopped when the signal is delivered.
#0 0x00007fed7bcd5207 in raise () from /lib64/libc.so.6
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#1 0x00007fed7bcd68f8 in abort () from /lib64/libc.so.6
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#2 0x00007fed7bcce026 in __assert_fail_base () from /lib64/libc.so.6
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#3 0x00007fed7bcce0d2 in __assert_fail () from /lib64/libc.so.6
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#4 0x00007fed7e6a58f4 in mxb_log_message (priority=1, modname=0x0, file=0x417b28 "/home/vagrant/MaxScale/server/core/gateway.cc", line=422,
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function=0x41a3f0 <sigfatal_handler(int)::__func__> "sigfatal_handler", format=0x417cb0 "Fatal: MaxScale 2.3.9 received fatal signal %d. Attempting backtrace.")
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at /home/vagrant/MaxScale/maxutils/maxbase/src/log.cc:710
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#5 0x000000000040c8cc in sigfatal_handler (i=6) at /home/vagrant/MaxScale/server/core/gateway.cc:422
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#6 <signal handler called>
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#7 0x00007fed7bcd5207 in raise () from /lib64/libc.so.6
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#8 0x00007fed7bcd68f8 in abort () from /lib64/libc.so.6
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#9 0x00007fed7bcce026 in __assert_fail_base () from /lib64/libc.so.6
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#10 0x00007fed7bcce0d2 in __assert_fail () from /lib64/libc.so.6
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#11 0x00007fed7e6a58f4 in mxb_log_message (priority=1, modname=0x0, file=0x417b28 "/home/vagrant/MaxScale/server/core/gateway.cc", line=422,
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function=0x41a3f0 <sigfatal_handler(int)::__func__> "sigfatal_handler", format=0x417cb0 "Fatal: MaxScale 2.3.9 received fatal signal %d. Attempting backtrace.")
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at /home/vagrant/MaxScale/maxutils/maxbase/src/log.cc:710
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#12 0x000000000040c8cc in sigfatal_handler (i=11) at /home/vagrant/MaxScale/server/core/gateway.cc:422
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#13 <signal handler called>
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#14 0x00007fed7e669a32 in maxscale::RoutingWorker::get (worker_id=-1) at /home/vagrant/MaxScale/server/core/routingworker.cc:456
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#15 0x00007fed7e62f239 in maxscale_shutdown () at /home/vagrant/MaxScale/server/core/misc.cc:54
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#16 0x000000000040c671 in sigterm_handler (i=15) at /home/vagrant/MaxScale/server/core/gateway.cc:350
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#17 <signal handler called>
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#18 0x00007fed78badc90 in cleanup_fscreatecon () from /lib64/libkrb5support.so.0
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#19 0x00007fed7ea45fba in _dl_fini () from /lib64/ld-linux-x86-64.so.2
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#20 0x00007fed7bcd8b69 in __run_exit_handlers () from /lib64/libc.so.6
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#21 0x00007fed7bcd8bb7 in exit () from /lib64/libc.so.6
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#22 0x00007fed7bcc13dc in __libc_start_main () from /lib64/libc.so.6
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#23 0x000000000040c319 in _start ()
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