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 69766385829B; Fri, 29 Jul 2022 09:15:52 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 69766385829B
From: "vries at gcc dot gnu.org" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug gdb/29431] New: [gdb] thread.c:805: internal-error:
 thread_change_ptid: Assertion `tp != nullptr' failed
Date: Fri, 29 Jul 2022 09:15:52 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: new
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gdb
X-Bugzilla-Component: gdb
X-Bugzilla-Version: HEAD
X-Bugzilla-Keywords: 
X-Bugzilla-Severity: normal
X-Bugzilla-Who: vries at gcc dot gnu.org
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: bug_id short_desc product version bug_status
 bug_severity priority component assigned_to reporter target_milestone
Message-ID: <bug-29431-4717@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: Fri, 29 Jul 2022 09:15:52 -0000

https://sourceware.org/bugzilla/show_bug.cgi?id=3D29431

            Bug ID: 29431
           Summary: [gdb] thread.c:805: internal-error:
                    thread_change_ptid: Assertion `tp !=3D nullptr' failed
           Product: gdb
           Version: HEAD
            Status: NEW
          Severity: normal
          Priority: P2
         Component: gdb
          Assignee: unassigned at sourceware dot org
          Reporter: vries at gcc dot gnu.org
  Target Milestone: ---

I did a testrun on openSUSE Leap 15.3 x86_64 with taskset -c 0, and ran int=
o:
...
(gdb) FAIL: gdb.threads/attach-many-short-lived-threads.exp: iter 1: print
seconds_left
detach^M
[Thread 0x7f10c6073100 (LWP 5396) exited]^M
/home/vries/gdb_versions/devel/src/gdb/thread.c:805: internal-error:
thread_change_ptid: Assertion `tp !=3D nullptr' failed.^M
A problem internal to GDB has been detected,^M
further debugging may prove unreliable.^M
...

This is a bit after:
...
(gdb) PASS: gdb.threads/attach-many-short-lived-threads.exp: iter 1: break =
at
break_fn: 2
continue^M
Continuing.^M
Couldn't get registers: No such process.^M
(gdb) FAIL: gdb.threads/attach-many-short-lived-threads.exp: iter 1: break =
at
break_fn: 3
...
and:
...
print again =3D 1^M
Cannot access memory at address 0x6020cc^M
(gdb) FAIL: gdb.threads/attach-many-short-lived-threads.exp: iter 1: reset
timer in the infer\
ior
print seconds_left^M
Cannot access memory at address 0x6020ac^M
...

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