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From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/27908] FAIL: gdb.base/run-attach-while-running.exp:
 threaded=1: run-or-attach=attach: non-stop=on: test: attach to process
 (timeout)
Date: Tue, 25 May 2021 08:46:25 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D27908

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
The corresponding part in the test-case is:
...
    gdb_test_no_output "set confirm off"

    # Run again (or, connect to a new stub if using a stub), take=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20
    # advantage of the fact that runto_main leaves the breakpoint on=20=20=
=20=20=20=20=20=20=20=20=20=20
    # main in place.=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
    if { ${run-or-attach} =3D=3D "run" } {
      ...
    } elseif { ${run-or-attach} =3D=3D "attach" } {
        set test_spawn_id [spawn_wait_for_attach $::binfile]
        set test_pid [spawn_id_get_pid $test_spawn_id]

        gdb_test "attach $test_pid" "Attaching to program: .*" "attach to
process"

        gdb_exit
        kill_wait_spawned_process $test_spawn_id
...

So, ISTM that the gdb_test doesn't consume the gdb prompt because it's foll=
owed
by more text:
...
27        return SYSCALL_CANCEL (nanosleep, requested_time, remaining);^M
(gdb) ^M
Thread 2 "run-attach-whil" stopped.^M
...

--=20
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