[Bug testsuite/31502] New: [gdb/testsuite] FAIL: gdb.server/server-connect.exp: tcp6: connect to gdbserver using tcp6:::1

[Bug testsuite/31502] New: [gdb/testsuite] FAIL: gdb.server/server-connect.exp: tcp6: connect to gdbserver using tcp6:::1

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31502

            Bug ID: 31502
           Summary: [gdb/testsuite] FAIL: gdb.server/server-connect.exp:
                    tcp6: connect to gdbserver using tcp6:::1
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: testsuite
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

On aarch64-linux, debian bookworm, I ran into:
...
builtin_spawn
/home/linux/gdb/build/gdb/testsuite/../../gdb/../gdbserver/gdbserver --once
::1:2417
/home/linux/gdb/build/gdb/testsuite/outputs/gdb.server/server-connect/server-connect^M
Can't open socket: Address family not supported by protocol.^M
Exiting^M
PASS: gdb.server/server-connect.exp: tcp6: start gdbserver
target remote tcp6:::1:2417^M
A program is being debugged already.  Kill it? (y or n) y^M
could not connect: Address family not supported by protocol.^M
(gdb) FAIL: gdb.server/server-connect.exp: tcp6: connect to gdbserver using
tcp6:::1
...

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[Bug testsuite/31502] [gdb/testsuite] FAIL: gdb.server/server-connect.exp: tcp6: connect to gdbserver using tcp6:::1

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31502

--- Comment #1 from Tom de Vries <vries at gcc dot gnu.org> ---
Created attachment 15412
  --> https://sourceware.org/bugzilla/attachment.cgi?id=15412&action=edit
tentative patch

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[Bug testsuite/31502] [gdb/testsuite] FAIL: gdb.server/server-connect.exp: tcp6: connect to gdbserver using tcp6:::1

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31502

--- Comment #2 from Tom de Vries <vries at gcc dot gnu.org> ---
https://sourceware.org/pipermail/gdb-patches/2024-March/207339.html

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[Bug testsuite/31502] [gdb/testsuite] FAIL: gdb.server/server-connect.exp: tcp6: connect to gdbserver using tcp6:::1

[cvs-commit at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31502

--- Comment #3 from Sourceware Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Tom de Vries <vries@sourceware.org>:

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=886d73049c55fa10447240e4b81c413beba31458

commit 886d73049c55fa10447240e4b81c413beba31458
Author: Tom de Vries <tdevries@suse.de>
Date:   Wed Mar 20 19:31:24 2024 +0100

    [gdb/testsuite] Fix gdb.server/server-connect.exp for missing ipv6

    On a system without ipv6 support enabled, when running test-case
    gdb.server/server-connect.exp, it takes about 4 minutes, and I get:
    ...
    builtin_spawn gdbserver --once ::1:2347 server-connect^M
    Can't open socket: Address family not supported by protocol.^M
    Exiting^M
    PASS: gdb.server/server-connect.exp: tcp6: start gdbserver
    target remote tcp6:::1:2347^M
    A program is being debugged already.  Kill it? (y or n) y^M
    could not connect: Address family not supported by protocol.^M
    (gdb) FAIL: gdb.server/server-connect.exp: tcp6: connect to gdbserver using
tcp6:::1
    ...

    Fix this by:
    - recognizing the error message in gdbserver_start, and returning an empty
list
      to signal unsupported, and
    - handling the unsupported response in the test-case.

    This brings testing time down to 2 seconds, and gets me:
    ...
    UNSUPPORTED: gdb.server/server-connect.exp: tcp6: start gdbserver
    UNSUPPORTED: gdb.server/server-connect.exp: tcp6-with-brackets: start
gdbserver
    UNSUPPORTED: gdb.server/server-connect.exp: udp6: start gdbserver
    UNSUPPORTED: gdb.server/server-connect.exp: udp6-with-brackets: start
gdbserver
    ...

    Tested on aarch64-linux.

    Approved-By: Tom Tromey <tom@tromey.com>

    PR testsuite/31502
    Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=31502

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[Bug testsuite/31502] [gdb/testsuite] FAIL: gdb.server/server-connect.exp: tcp6: connect to gdbserver using tcp6:::1

[vries at gcc dot gnu.org]

https://sourceware.org/bugzilla/show_bug.cgi?id=31502

Tom de Vries <vries at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |FIXED
   Target Milestone|---                         |15.1
             Status|NEW                         |RESOLVED

--- Comment #4 from Tom de Vries <vries at gcc dot gnu.org> ---
Fixed.

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