[Bug gdb/29833] [gdb] FAIL: gdb.server/monitor-exit-quit.exp: monitor exit

["vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>]

https://sourceware.org/bugzilla/show_bug.cgi?id=29833

--- Comment #8 from Tom de Vries <vries at gcc dot gnu.org> ---
OK, so with the assert from the previous comment, and this in the test-case:
...
+gdb_test_no_output "maint set internal-error quit yes"
+gdb_test_no_output "maint set internal-error corefile yes"
 gdb_test_no_output "monitor exit"
...
and:
...
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index af538e5c8fb..f82756acbe8 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -2236,6 +2236,8 @@ proc default_gdb_spawn { } {
        return 1
     }

+    verbose -log "spawned GDB PID: [exp_pid -i $res]"
+    
     set gdb_spawn_id $res
     set ::gdb_tty_name $::last_spawn_tty_name
     return 0
...
I managed to generate a core and find it.

Backtrace:
...
(gdb) bt
#0  0x00007f7b0f156cbb in raise () from /lib64/libc.so.6
#1  0x00007f7b0f158355 in abort () from /lib64/libc.so.6
#2  0x0000000000cd8439 in dump_core () at
/home/vries/gdb_versions/devel/src/gdb/utils.c:203
#3  0x0000000000cd8a74 in internal_vproblem(internal_problem *, const char *,
int, const char *, typedef __va_list_tag __va_list_tag *) (problem=0x25f95e0
<internal_error_problem>, 
    file=0x15c9b30 "/home/vries/gdb_versions/devel/src/gdb/remote.c",
line=9476, 
    fmt=0x15c9729 "%s: Assertion `%s' failed.", ap=0x7ffc77c68628)
    at /home/vries/gdb_versions/devel/src/gdb/utils.c:455
#4  0x0000000000cd8b4a in internal_verror (
    file=0x15c9b30 "/home/vries/gdb_versions/devel/src/gdb/remote.c",
line=9476, 
    fmt=0x15c9729 "%s: Assertion `%s' failed.", ap=0x7ffc77c68628)
    at /home/vries/gdb_versions/devel/src/gdb/utils.c:481
#5  0x00000000014345e7 in internal_error_loc (
    file=0x15c9b30 "/home/vries/gdb_versions/devel/src/gdb/remote.c",
line=9476, 
    fmt=0x15c9729 "%s: Assertion `%s' failed.")
    at /home/vries/gdb_versions/devel/src/gdbsupport/errors.cc:58
#6  0x0000000000aa94a9 in remote_target::readchar (this=0x323b4b0, timeout=0)
    at /home/vries/gdb_versions/devel/src/gdb/remote.c:9476
#7  0x0000000000aaa25c in remote_target::getpkt_or_notif_sane_1
(this=0x323b4b0, 
    buf=0x323b4d8, forever=0, expecting_notif=1, is_notif=0x7ffc77c68870)
--Type <RET> for more, q to quit, c to continue without paging--
    at /home/vries/gdb_versions/devel/src/gdb/remote.c:9946
#8  0x0000000000aaa64a in remote_target::getpkt_or_notif_sane (this=0x323b4b0, 
    buf=0x323b4d8, forever=0, is_notif=0x7ffc77c68870)
    at /home/vries/gdb_versions/devel/src/gdb/remote.c:10055
#9  0x0000000000aa62b5 in remote_target::wait_ns (this=0x323b4b0, ptid=..., 
    status=0x7ffc77c68ed8, options=...)
    at /home/vries/gdb_versions/devel/src/gdb/remote.c:8128
#10 0x0000000000aa6ca3 in remote_target::wait (this=0x323b4b0, ptid=..., 
    status=0x7ffc77c68ed8, options=...)
    at /home/vries/gdb_versions/devel/src/gdb/remote.c:8357
#11 0x0000000000c12f47 in target_wait (ptid=..., status=0x7ffc77c68ed8,
options=...)
    at /home/vries/gdb_versions/devel/src/gdb/target.c:2579
#12 0x000000000086adfa in do_target_wait_1 (inf=0x3066e00, ptid=...,
status=0x7ffc77c68ed8, 
    options=...) at /home/vries/gdb_versions/devel/src/gdb/infrun.c:3736
#13 0x000000000086af52 in <lambda(inferior*)>::operator()(inferior *) const (
    __closure=0x7ffc77c68d10, inf=0x3066e00)
    at /home/vries/gdb_versions/devel/src/gdb/infrun.c:3795
#14 0x000000000086b280 in do_target_wait (ecs=0x7ffc77c68eb0, options=...)
    at /home/vries/gdb_versions/devel/src/gdb/infrun.c:3814
#15 0x000000000086c04d in fetch_inferior_event ()
--Type <RET> for more, q to quit, c to continue without paging--
    at /home/vries/gdb_versions/devel/src/gdb/infrun.c:4172
#16 0x000000000084b13c in inferior_event_handler (event_type=INF_REG_EVENT)
    at /home/vries/gdb_versions/devel/src/gdb/inf-loop.c:41
#17 0x0000000000ab52c7 in remote_async_serial_handler (scb=0x3bc0460,
context=0x323b4d8)
    at /home/vries/gdb_versions/devel/src/gdb/remote.c:14424
#18 0x0000000000b5bff0 in run_async_handler_and_reschedule (scb=0x3bc0460)
    at /home/vries/gdb_versions/devel/src/gdb/ser-base.c:138
#19 0x0000000000b5c0d5 in fd_event (error=0, context=0x3bc0460)
    at /home/vries/gdb_versions/devel/src/gdb/ser-base.c:189
#20 0x000000000143544e in handle_file_event (file_ptr=0x3be2ec0, ready_mask=1)
    at /home/vries/gdb_versions/devel/src/gdbsupport/event-loop.cc:573
#21 0x00000000014359d6 in gdb_wait_for_event (block=1)
    at /home/vries/gdb_versions/devel/src/gdbsupport/event-loop.cc:694
#22 0x00000000014348aa in gdb_do_one_event (mstimeout=-1)
    at /home/vries/gdb_versions/devel/src/gdbsupport/event-loop.cc:264
#23 0x00000000008ffdbb in start_event_loop ()
    at /home/vries/gdb_versions/devel/src/gdb/main.c:411
#24 0x00000000008ffee1 in captured_command_loop ()
    at /home/vries/gdb_versions/devel/src/gdb/main.c:471
#25 0x0000000000901667 in captured_main (data=0x7ffc77c692b0)
--Type <RET> for more, q to quit, c to continue without paging--
    at /home/vries/gdb_versions/devel/src/gdb/main.c:1310
#26 0x00000000009016cd in gdb_main (args=0x7ffc77c692b0)
    at /home/vries/gdb_versions/devel/src/gdb/main.c:1325
#27 0x000000000041a26e in main (argc=13, argv=0x7ffc77c693c8)
    at /home/vries/gdb_versions/devel/src/gdb/gdb.c:32
...

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