Note that the epollex poller has been deleted.
On Tuesday, July 19, 2022 at 10:25:05 AM UTC-7 [email protected] wrote:
> I have seen the below error trace during rpc gets invoked in the client
> side.
>
> E0108 23:57:39.627493254 13286 ev_epollex_linux.cc:512] Error shutting
> down fd 43. errno: 9
>
> Adding the backtrace taken from gdb below for reference.
> (gdb) bt #0 0x00007ffff6a21770 in shutdown () from
> /lib/x86_64-linux-gnu/libc.so.6 #1 0x00007ffff5c3a085 in fd_shutdown
> (fd=0x7fff8006d8c0, why=0x7fff640008e0) at
> src/core/lib/iomgr/ev_epollex_linux.cc:491 #2 0x00007ffff5ce4db5 in
> fd_node_shutdown_locked (reason=reason@entry=0x7ffff5dce61d
> "grpc_ares_ev_driver_shutdown", fdn=<optimized out>, fdn=<optimized out>)
> at
> src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.cc:127
>
> #3 0x00007ffff5ce5763 in fd_node_shutdown_locked (fdn=0x7fff80059190,
> fdn=0x7fff80059190, reason=0x7ffff5dce61d "grpc_ares_ev_driver_shutdown")
> at
> src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.cc:124
>
> #4 grpc_ares_ev_driver_shutdown_locked (ev_driver=<optimized out>) at
> src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.cc:184
>
> #5 0x00007ffff5ce57ee in on_timeout_locked (arg=0x7fff8005b5f0, error=0x0)
> at
> src/core/ext/filters/client_channel/resolver/dns/c_ares/grpc_ares_ev_driver.cc:214
>
> #6 0x00007ffff5c3584a in grpc_combiner_continue_exec_ctx () at
> src/core/lib/iomgr/combiner.cc:268 #7 0x00007ffff5c3f357 in
> grpc_core::ExecCtx::Flush (this=0x7fff799f2d70) at
> src/core/lib/iomgr/exec_ctx.cc:151 #8 0x00007ffff5c3aba4 in pollset_work
> (pollset=0x7fff800592b0, worker_hdl=0x7fff799f2c20,
> deadline=140735341239128) at src/core/lib/iomgr/ev_epollex_linux.cc:1151 #9
> 0x00007ffff5cb0741 in run_poller (arg=0x7fff80059a00, error=<optimized
> out>) at src/core/ext/filters/client_channel/backup_poller.cc:122 #10
> 0x00007ffff5c3f0ce in exec_ctx_run (closure=<optimized out>, error=0x0) at
> src/core/lib/iomgr/exec_ctx.cc:40 #11 0x00007ffff5c3f33c in
> grpc_core::ExecCtx::Flush (this=0x7fff799f2d70) at
> src/core/lib/iomgr/exec_ctx.cc:148 #12 0x00007ffff5c4f134 in
> run_some_timers () at src/core/lib/iomgr/timer_manager.cc:140 #13
> timer_main_loop () at src/core/lib/iomgr/timer_manager.cc:246 #14
> timer_thread (completed_thread_ptr=0x7fff700008e0) at
> src/core/lib/iomgr/timer_manager.cc:293 #15 0x00007ffff5cef443 in
> grpc_core::(anonymous
> namespace)::ThreadInternalsPosix::ThreadInternalsPosix(char const*, void
> (*)(void*), void*, bool*, grpc_core::Thread::Options
> const&)::{lambda(void*)#1}::_FUN(void*) () at
> src/core/lib/gprpp/thd_posix.cc:114 #16 0x00007ffff77a7064 in start_thread
> () from /lib/x86_64-linux-gnu/libpthread.so.0 #17 0x00007ffff6a2062d in
> clone () from /lib/x86_64-linux-gnu/libc.so.6
>
> Please let me know why this error trace is coming and how to resolve
> this. thanks!!!
>
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