From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <sourceware-bugzilla@sourceware.org>
Received: by sourceware.org (Postfix, from userid 48)
 id C0EEC385803B; Sun, 19 Sep 2021 02:10:40 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C0EEC385803B
From: "simark at simark dot ca" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/26761] thread.c:95: internal-error: thread_info*
 inferior_thread(): Assertion `current_thread_ != nullptr' failed
Date: Sun, 19 Sep 2021 02:10:39 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gdb
X-Bugzilla-Component: gdb
X-Bugzilla-Version: unknown
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: simark at simark dot ca
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: unassigned at sourceware dot org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-26761-4717-k5veCymCsO@http.sourceware.org/bugzilla/>
In-Reply-To: <bug-26761-4717@http.sourceware.org/bugzilla/>
References: <bug-26761-4717@http.sourceware.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://sourceware.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gdb-prs@sourceware.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gdb-prs mailing list <gdb-prs.sourceware.org>
List-Unsubscribe: <https://sourceware.org/mailman/options/gdb-prs>,
 <mailto:gdb-prs-request@sourceware.org?subject=unsubscribe>
List-Archive: <https://sourceware.org/pipermail/gdb-prs/>
List-Help: <mailto:gdb-prs-request@sourceware.org?subject=help>
List-Subscribe: <https://sourceware.org/mailman/listinfo/gdb-prs>,
 <mailto:gdb-prs-request@sourceware.org?subject=subscribe>
X-List-Received-Date: Sun, 19 Sep 2021 02:10:40 -0000

https://sourceware.org/bugzilla/show_bug.cgi?id=3D26761

--- Comment #7 from Simon Marchi <simark at simark dot ca> ---
(In reply to Parke from comment #6)
> I encounter a similar bug.  Easy to reproduce.
>=20
> On Arch Linux:
>=20
> $  gdb  --version
> GNU gdb (GDB) 10.2
> [snip]
>=20
> $  gdb  -q -ex run /bin/true
> Reading symbols from /bin/true...
> (No debugging symbols found in /bin/true)
> Starting program: /usr/bin/true=20
> [Inferior 1 (process 339) exited normally]
> ../../gdb/thread.c:95: internal-error: thread_info* inferior_thread():
> Assertion `current_thread_ !=3D nullptr' failed.
> A problem internal to GDB has been detected,
> further debugging may prove unreliable.
>=20
> This is a bug, please report it.  For instructions, see:
> <https://www.gnu.org/software/gdb/bugs/>.
>=20
> Aborted (core dumped)
>=20
> $  cat  ~/.gdbinit
> define  hook-quit
>   set  confirm  off
> end
>=20
> python
>=20
> def  exit_handler  ( event ):
>   if  hasattr ( event, 'exit_code' )  and  event .exit_code =3D=3D 0:
>     gdb .execute ( "quit" )
>=20
> gdb .events .exited .connect ( exit_handler )
>=20
> end
>=20
> ----
>=20
> I encounter a similar bug on Ubuntu 20.04.
>=20
> $  gdb --version
> GNU gdb (Ubuntu 9.2-0ubuntu1~20.04) 9.2
> [snip]
>=20
> $  gdb  -q  -ex run /bin/true
> Reading symbols from /bin/true...
> (No debugging symbols found in /bin/true)
> Starting program: /usr/bin/true=20
> [Inferior 1 (process 4134946) exited normally]
> /build/gdb-OxeNvS/gdb-9.2/gdb/inferior.c:283: internal-error: inferior*
> find_inferior_pid(int): Assertion `pid !=3D 0' failed.
> A problem internal to GDB has been detected,
> further debugging may prove unreliable.
>=20
> This is a bug, please report it.  For instructions, see:
> <http://www.gnu.org/software/gdb/bugs/>.
>=20
> Aborted (core dumped)
>=20
> Possibly related:
> https://sourceware.org/bugzilla/show_bug.cgi?id=3D27682

Although the symptom is the same, the root cause for this particular assert=
ion
to fail can be one of many things.  So I would suggest filing a new bug, wi=
th a
title that is specific to what you are doing (e.g. "Assertion failure when
using Python exit event handler".

--=20
You are receiving this mail because:
You are on the CC list for the bug.=