From unknown Mon Mar 09 01:29:33 2026 X-Loop: owner@bugs.x2go.org Subject: Bug#1580: Reply-To: Ricky Zhang , 1580@bugs.x2go.org Resent-From: Ricky Zhang Resent-To: x2go-dev@lists.x2go.org Resent-CC: X2Go Developers X-Loop: owner@bugs.x2go.org Resent-Date: Mon, 17 Jan 2022 13:45:02 +0000 Resent-Message-ID: Resent-Sender: owner@bugs.x2go.org X-X2Go-PR-Message: report 1580 X-X2Go-PR-Package: nx-libs X-X2Go-PR-Keywords: Received: via spool by submit@bugs.x2go.org id=B.164242702724904 (code B); Mon, 17 Jan 2022 13:45:02 +0000 Received: (at submit) by bugs.x2go.org; 17 Jan 2022 13:43:47 +0000 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on ymir.das-netzwerkteam.de X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,HTML_MESSAGE,SPF_HELO_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from mail-ed1-x52d.google.com (mail-ed1-x52d.google.com [IPv6:2a00:1450:4864:20::52d]) by ymir.das-netzwerkteam.de (Postfix) with ESMTPS id 33EFF5DA93 for ; Mon, 17 Jan 2022 14:43:45 +0100 (CET) Received: by mail-ed1-x52d.google.com with SMTP id b13so65986085edn.0 for ; Mon, 17 Jan 2022 05:43:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=mime-version:from:date:message-id:subject:to; bh=VXl3p7OeQ/7oHXaFEU+bsu/FEGmgDNcbCiW/uNirBb4=; b=mjYSqoBh5q6fNlNhKiddzWIpXDVWkCqEj3ZoejgyQLfXQj3u1KYNSOxgm1rCW338BC NUGVt1bUZ4RGSQTZekUyQWydwXRnFwLQ9I50GCxU1oYCZjdW1YmmvyYSEBHZyvv/dAlD TOG3yO/yd5CaXCC0MmPWGuSa3gonM4Xq5SPNJH9WfCakctWtuFN0Kan+P353xawSUnKd B5wU4BDHdDz5qkhnGwjMxCL5h26kysMUEdB0YCUrqQjzbSKm5FE1QyMf3evZdbj5fRoV Tfs3TuSBLUTS2TSCnFT6E+kpahgLPrE5vkZeTdBHRN6TQYcZSu4WlEJjbQb33w95X4SH S0bQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=VXl3p7OeQ/7oHXaFEU+bsu/FEGmgDNcbCiW/uNirBb4=; b=8Q9yRIlDWD8jv5eA2EEW59x4t2f9APGy1Qfay/cn7dQFcPPVWbCrULfl98FLuHGtsp o27A+8/Kl9ojPH3lmwhwMKPao+ekP8pKka3tsnP9SGmEXSLAJliHlx421F/u2+lyJuOo DrixKBnDytscteH6zdGJfOsH4lqCYgGK2PDAa2uuTo1K55V9XbxePH+D2RQwwn9621Oa XRvtjUgj5vVM01Ukhk6IedWuoCcm7VapkRGI0tfK+qsrGB9RaletFgbC9/z/1NyC9pdR CZEDKfp0M5CMHsTQcvcx2/sBY7IxH42g5Hh4Cm1BLOC6hnBqDmAQ5MAzAYlMj4iBcZhy twZw== X-Gm-Message-State: AOAM533FHVUSnxfGsoYdsl6EXqEV3N40tOyf6E/pBKSHYmj58s4aUCSu xE3TT/CHmzBF6x4b3U58Td1B/Fnp5AhFjfEh5ERtIS+yvPfEzg== X-Google-Smtp-Source: ABdhPJyDD57X1ymre6EclhLHr++QRGgP+hqfzlejDtNuMINzRW3w8kGvGd7yrOeCHlnne3yEQokBCI5wVRh2bVuc3jg= X-Received: by 2002:a17:906:c8d1:: with SMTP id gc17mr14048103ejb.544.1642427024563; Mon, 17 Jan 2022 05:43:44 -0800 (PST) MIME-Version: 1.0 From: Ricky Zhang Date: Mon, 17 Jan 2022 08:43:33 -0500 Message-ID: To: submit@bugs.x2go.org Content-Type: multipart/alternative; boundary="0000000000005e6cb605d5c7571f" --0000000000005e6cb605d5c7571f Content-Type: text/plain; charset="UTF-8" Package: nx-libs Version: 3.5.99.26-3 When I connected to the X2go server, the session was killed abruptly. I found the X2go server log. It showed that x2goagent hit SEGFAULT. I got the coredump: Core was generated by `x2goagent -nolisten tcp -nolisten tcp -dpi 96 -D > -auth /home/Ricky/.Xauthority'. > Program terminated with signal SIGSEGV, Segmentation fault. > #0 0x0000555ac58c043f in __glXDeassociateContext (glxc=0x555ac7fa0710) at > GL/glx/glxutil.c:89 > Downloading 0.00 MB source file > /usr/src/debug/nx-libs-3.5.99.26-3.fc35.x86_64/nx-X11/programs/Xserver/GL/glx/glxutil.c > 89 for ( curr = glxc->drawPriv->drawGlxc > (gdb) bt > #0 0x0000555ac58c043f in __glXDeassociateContext (glxc=0x555ac7fa0710) at > GL/glx/glxutil.c:89 > #1 0x0000555ac57eaec9 in ClientGone (clientIndex=1, id=) > at hw/nxagent/../../GL/glx/glxext.c:120 > #2 0x0000555ac57ef433 in FreeClientResources (client=0x555ac7fa0070) at > hw/nxagent/../../dix/resource.c:765 > #3 0x0000555ac57dfdd1 in FreeClientResources (client=0x555ac7fa0070) at > hw/nxagent/../../dix/resource.c:740 > #4 xorg_CloseDownClient (client=client@entry=0x555ac7fa0070) at > hw/nxagent/../../dix/dispatch.c:3554 > #5 0x0000555ac57e1260 in CloseDownClient (client=0x555ac7fa0070) at > hw/nxagent/NXdispatch.c:1006 > #6 Dispatch () at hw/nxagent/NXdispatch.c:522 > #7 0x0000555ac57bebd1 in main (argc=, argv= out>, envp=) at dix/main.c:350 > (gdb) --- Server: [Ricky@t20:~]$ rpm -qa | grep x2go x2goserver-common-4.1.0.3-13.fc35.noarch x2goagent-4.1.0.3-13.fc35.x86_64 x2goserver-xsession-4.1.0.3-13.fc35.noarch x2goserver-4.1.0.3-13.fc35.x86_64 [Ricky@t20:~]$ rpm -qa | grep nx-libs nx-libs-3.5.99.26-3.fc35.x86_64 [Ricky@t20:~]$ uname -nr t20 5.15.12-200.fc35.x86_64 Client: [Ricky@xps:~]$ rpm -qa | grep x2go x2goclient-4.1.2.2-5.fc35.x86_64 [Ricky@xps:~]$ uname -nr xps 5.15.12-200.fc35.x86_64 --0000000000005e6cb605d5c7571f Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Package: nx-libs
Version: 3.5.99.26-3

When I connected to the X2go server, the session was kille= d abruptly. I found the X2go server=C2=A0log. It showed that x2goagent hit = SEGFAULT.

I got the coredump:

Core was generated by= `x2goagent -nolisten tcp -nolisten tcp -dpi 96 -D -auth /home/Ricky/.Xauth= ority'.
Program terminated with signal SIGSEGV, Segmentation fault.<= br>#0 =C2=A00x0000555ac58c043f in __glXDeassociateContext (glxc=3D0x555ac7f= a0710) at GL/glx/glxutil.c:89
Downloading 0.00 MB source file /usr/src/d= ebug/nx-libs-3.5.99.26-3.fc35.x86_64/nx-X11/programs/Xserver/GL/glx/glxutil= .c
89 =C2=A0 =C2=A0for ( curr =3D glxc->drawPriv->drawGlxc
(gdb= ) bt
#0 =C2=A00x0000555ac58c043f in __glXDeassociateContext (glxc=3D0x55= 5ac7fa0710) at GL/glx/glxutil.c:89
#1 =C2=A00x0000555ac57eaec9 in Client= Gone (clientIndex=3D1, id=3D<optimized out>) at hw/nxagent/../../GL/g= lx/glxext.c:120
#2 =C2=A00x0000555ac57ef433 in FreeClientResources (clie= nt=3D0x555ac7fa0070) at hw/nxagent/../../dix/resource.c:765
#3 =C2=A00x0= 000555ac57dfdd1 in FreeClientResources (client=3D0x555ac7fa0070) at hw/nxag= ent/../../dix/resource.c:740
#4 =C2=A0xorg_CloseDownClient (client=3Dcli= ent@entry=3D0x555ac7fa0070) at hw/nxagent/../../dix/dispatch.c:3554
#5 = =C2=A00x0000555ac57e1260 in CloseDownClient (client=3D0x555ac7fa0070) at hw= /nxagent/NXdispatch.c:1006
#6 =C2=A0Dispatch () at hw/nxagent/NXdispatch= .c:522
#7 =C2=A00x0000555ac57bebd1 in main (argc=3D<optimized out>= , argv=3D<optimized out>, envp=3D<optimized out>) at dix/main.c= :350
(gdb)=C2=A0



---
Server:
[Ricky@t20:~]$ rpm -qa | grep x2gox2goserver-common-4.1.0.3-13.fc35.noarch
x2goagent-4.1.0.3-13.fc35.x86= _64
x2goserver-xsession-4.1.0.3-13.fc35.noarch
x2goserver-4.1.0.3-13.= fc35.x86_64

[Ricky@t20:~]$ rpm -qa | grep nx-libs<= br>nx-libs-3.5.99.26-3.fc35.x86_64

[Ricky@t20:~]$ uname -nrt20 5.15.12-200.fc35.x86_64

Client:
[Ricky@xps:~]$ rpm -qa | grep x2go
x2goclient-4.1.2.2-5.fc35.x86_64
[Ricky@xps:~]$ uname -nr
xps 5.15.12-200.fc35.x86_64
--0000000000005e6cb605d5c7571f--