X2Go Bug report logs - #641
x2goagent crash in XFreeFontPath

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Package: nx-libs; Maintainer for nx-libs is X2Go Developers <x2go-dev@lists.x2go.org>;

Reported by: Orion Poplawski <orion@cora.nwra.com>

Date: Sun, 12 Oct 2014 14:30:01 UTC

Severity: normal

Found in version 3.5.0.27

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Report forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#641; Package nx-libs. (Sun, 12 Oct 2014 14:30:01 GMT) Full text and rfc822 format available.

Acknowledgement sent to Orion Poplawski <orion@cora.nwra.com>:
New Bug report received and forwarded. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Sun, 12 Oct 2014 14:30:02 GMT) Full text and rfc822 format available.

Message #5 received at submit@bugs.x2go.org (full text, mbox):

From: Orion Poplawski <orion@cora.nwra.com>
To: submit@bugs.x2go.org
Subject: x2goagent crash in XFreeFontPath
Date: Sun, 12 Oct 2014 08:27:21 -0600
Package: nx-libs
Version: 3.5.0.27

Core was generated by `/usr/lib64/nx/../x2go/bin/x2goagent -extension 
XFIXES -nolisten tcp -nolisten t'.
Program terminated with signal SIGABRT, Aborted.
#0  0x00007f1be42d9877 in raise () from /lib64/libc.so.6
Missing separate debuginfos, use: debuginfo-install 
glibc-2.18-16.fc20.x86_64 libX11-1.6.1-1.fc20.x86_64 
libXau-1.0.8-2.fc20.x86_64 libXcursor-devel-1.1.14-2.fc20.x86_64 
libXfixes-5.0.1-2.fc20.x86_64 libXrender-0.9.8-2.fc20.x86_64 
libgcc-4.8.3-7.fc20.x86_64 libjpeg-turbo-1.3.1-2.fc20.x86_64 
libpng-1.6.6-3.fc20.x86_64 libstdc++-4.8.3-7.fc20.x86_64 
libxcb-1.9.1-3.fc20.x86_64 libxml2-2.9.1-2.fc20.x86_64 
sssd-client-1.11.7-2.fc20.x86_64 xz-libs-5.1.2-12alpha.fc20.x86_64 
zlib-1.2.8-3.fc20.x86_64
(gdb) bt
#0  0x00007f1be42d9877 in raise () from /lib64/libc.so.6
#1  0x00007f1be42daf68 in abort () from /lib64/libc.so.6
#2  0x00007f1be4319a54 in __libc_message () from /lib64/libc.so.6
#3  0x00007f1be43203ac in malloc_consolidate () from /lib64/libc.so.6
#4  0x00007f1be4320c66 in _int_free () from /lib64/libc.so.6
#5  0x00007f1be6865d8d in XFreeFontPath (list=list@entry=0x57e3980) at 
GetFPath.c:92
#6  0x0000000000495789 in nxagentReconnectFailedFonts (p0=<optimized 
out>) at Font.c:1353
#7  0x00000000004b8670 in nxagentReconnectSession () at Reconnect.c:482
#8  0x00000000004b8a3b in nxagentHandleConnectionChanges () at 
Reconnect.c:827
#9  0x00000000004b8c60 in nxagentHandleConnectionStates () at 
Reconnect.c:218
#10 0x000000000049b905 in nxagentWakeupHandler (data=<optimized out>, 
count=-1, mask=0xacb760 <LastSelectMask>) at Handlers.c:589
#11 0x000000000046a33b in WakeupHandler (result=result@entry=-1, 
pReadmask=pReadmask@entry=0xacb760 <LastSelectMask>) at dixutils.c:472
#12 0x0000000000473ca2 in WaitForSomething 
(pClientsReady=pClientsReady@entry=0x7fffb3d56250) at WaitFor.c:389
#13 0x0000000000445c1a in Dispatch () at X/NXdispatch.c:619
#14 0x0000000000429455 in main (argc=15, argv=0x7fffb3d56878, 
envp=<optimized out>) at main.c:450
(gdb) up 5
#5  0x00007f1be6865d8d in XFreeFontPath (list=list@entry=0x57e3980) at 
GetFPath.c:92
92                      Xfree ((char *)list);
(gdb) print list
$1 = (char **) 0x57e3980
(gdb) print (char *)list
$2 = 0x57e3980 "\020\263\201\006"
(gdb) up
#6  0x0000000000495789 in nxagentReconnectFailedFonts (p0=<optimized 
out>) at Font.c:1353
1353          XFreeFontPath(fontPaths);
(gdb) print fontPaths
$3 = (char **) 0x57e3980

Oct 11 11:59:33 kolea systemd: Started Session 1613 of user leka.
Oct 11 11:59:35 kolea /usr/bin/x2goresume-session: x2goresume-session 
called with options: leka-50-1412986821_stDKDE_dp24 800x600 adsl 
16m-jpeg-9 us pc105/us 1
Oct 11 11:59:35 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:36 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:36 kolea /usr/bin/x2goserver-run-extensions: 
x2goserver-run-extensions called with options: 
leka-50-1412986821_stDKDE_dp24 pre-resume
Oct 11 11:59:36 kolea su: (to leka) root on none
Oct 11 11:59:36 kolea systemd: Starting Session c67 of user leka.
Oct 11 11:59:36 kolea systemd: Started Session c67 of user leka.
Oct 11 11:59:37 kolea su: (to leka) root on none
Oct 11 11:59:37 kolea systemd: Starting Session c68 of user leka.
Oct 11 11:59:37 kolea systemd: Started Session c68 of user leka.
Oct 11 11:59:37 kolea /usr/bin/x2goresume-session: client 10.10.10.1 has 
successfully resumed session with ID leka-50-1412986821_stDKDE_dp24
Oct 11 11:59:37 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_DESKTOPSHARING
Oct 11 11:59:37 kolea /usr/bin/x2gosuspend-session: x2gosuspend-session 
called with options: leka-50-1412986821_stDKDE_dp24
Oct 11 11:59:37 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:37 kolea /usr/share/x2go/x2gofeature.d/x2goserver.features: 
x2goserver.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:37 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-fmbindings.features: 
x2goserver-fmbindings.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:38 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-xsession.features: 
x2goserver-xsession.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:38 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:38 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_DESKTOPSHARING
Oct 11 11:59:38 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:38 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:38 kolea /usr/bin/x2goserver-run-extensions: 
x2goserver-run-extensions called with options: 
leka-50-1412986821_stDKDE_dp24 post-resume
Oct 11 11:59:38 kolea /usr/share/x2go/x2gofeature.d/x2goserver.features: 
x2goserver.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:38 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-fmbindings.features: 
x2goserver-fmbindings.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:38 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-xsession.features: 
x2goserver-xsession.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:38 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:39 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:39 kolea /usr/bin/x2goserver-run-extensions: 
x2goserver-run-extensions called with options: 
leka-50-1412986821_stDKDE_dp24 pre-suspend
Oct 11 11:59:39 kolea /usr/bin/x2goumount-session[20559]: 
x2goumount-session has been called with options: 
leka-50-1412986821_stDKDE_dp24
Oct 11 11:59:39 kolea /usr/bin/x2goumount-session[20559]: SSHFS share 
already unmounted, taking care of further clean-up 
(C-leka-50-1412986821_stDKDE_dp24)
Oct 11 11:59:39 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_FMBINDINGS
Oct 11 11:59:39 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_FMBINDINGS
Oct 11 11:59:39 kolea /usr/share/x2go/x2gofeature.d/x2goserver.features: 
x2goserver.features called with options: X2GO_FMBINDINGS
Oct 11 11:59:39 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-fmbindings.features: 
x2goserver-fmbindings.features called with options: X2GO_FMBINDINGS
Oct 11 11:59:40 kolea /usr/bin/x2gosuspend-session: session with ID 
leka-50-1412986821_stDKDE_dp24 has been suspended successfully
Oct 11 11:59:40 kolea /usr/bin/x2gomountdirs[20632]: x2gomountdirs has 
been called with options: dir leka-50-1412986821_stDKDE_dp24 leka 
/home/leka/.x2go/ssh/key.nt1127 
/export/home/leka/.x2go/S-leka-50-1412986821_stDKDE_dp24/spool__PRINT_SPOOL___REVERSESSH_PORT__30008
Oct 11 11:59:40 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:40 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:41 kolea /usr/bin/x2goserver-run-extensions: 
x2goserver-run-extensions called with options: 
leka-50-1412986821_stDKDE_dp24 post-suspend
Oct 11 11:59:43 kolea su: (to leka) root on none
Oct 11 11:59:43 kolea systemd: Starting Session c69 of user leka.
Oct 11 11:59:43 kolea systemd: Started Session c69 of user leka.
Oct 11 11:59:44 kolea su: (to leka) root on none
Oct 11 11:59:44 kolea systemd: Starting Session c70 of user leka.
Oct 11 11:59:44 kolea systemd: Started Session c70 of user leka.
Oct 11 11:59:44 kolea /usr/bin/x2gosuspend-session: x2gosuspend-session 
called with options: leka-50-1412986821_stDKDE_dp24
Oct 11 11:59:44 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_DESKTOPSHARING
Oct 11 11:59:44 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:45 kolea /usr/share/x2go/x2gofeature.d/x2goserver.features: 
x2goserver.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:45 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-fmbindings.features: 
x2goserver-fmbindings.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:45 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-xsession.features: 
x2goserver-xsession.features called with options: X2GO_DESKTOPSHARING
Oct 11 11:59:45 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:45 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:45 kolea /usr/bin/x2goserver-run-extensions: 
x2goserver-run-extensions called with options: 
leka-50-1412986821_stDKDE_dp24 pre-suspend
Oct 11 11:59:45 kolea /usr/bin/x2goumount-session[20856]: 
x2goumount-session has been called with options: 
leka-50-1412986821_stDKDE_dp24
Oct 11 11:59:45 kolea /usr/bin/x2goumount-session[20856]: successfully 
unmounted "/tmp/.x2go-leka/spool/C-leka-50-1412986821_stDKDE_dp24"
Oct 11 11:59:45 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_FMBINDINGS
Oct 11 11:59:46 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_FMBINDINGS
Oct 11 11:59:46 kolea /usr/share/x2go/x2gofeature.d/x2goserver.features: 
x2goserver.features called with options: X2GO_FMBINDINGS
Oct 11 11:59:46 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-fmbindings.features: 
x2goserver-fmbindings.features called with options: X2GO_FMBINDINGS
Oct 11 11:59:46 kolea /usr/bin/x2gosuspend-session: session with ID 
leka-50-1412986821_stDKDE_dp24 has been suspended successfully
Oct 11 11:59:46 kolea /usr/bin/x2gofeature: x2gofeature called with 
options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:47 kolea 
/usr/share/x2go/x2gofeature.d/x2goserver-extensions.features: 
x2goserver-extensions.features called with options: X2GO_RUN_EXTENSIONS
Oct 11 11:59:47 kolea /usr/bin/x2goserver-run-extensions: 
x2goserver-run-extensions called with options: 
leka-50-1412986821_stDKDE_dp24 post-suspend
Oct 11 11:59:52 kolea abrt-hook-ccpp: Saved core dump of pid 21706 
(/usr/lib64/nx/bin/nxagent) to 
/var/tmp/abrt/ccpp-2014-10-11-11:59:46-21706 (103579648 bytes)

-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA/CoRA Division                    FAX: 303-415-9702
3380 Mitchell Lane                  orion@cora.nwra.com
Boulder, CO 80301              http://www.cora.nwra.com


Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#641; Package nx-libs. (Mon, 26 Jan 2015 22:55:01 GMT) Full text and rfc822 format available.

Acknowledgement sent to Orion Poplawski <orion@cora.nwra.com>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Mon, 26 Jan 2015 22:55:01 GMT) Full text and rfc822 format available.

Message #10 received at 641@bugs.x2go.org (full text, mbox):

From: Orion Poplawski <orion@cora.nwra.com>
To: 641@bugs.x2go.org
Subject: Fwd: [Bug 1186049] New: [abrt] nxagent: nxagentFreeFontCache(): nxagent killed by SIGABRT
Date: Mon, 26 Jan 2015 15:48:07 -0700
This seems to be a similar crash in nxagentReconnectFailedFonts().


-------- Forwarded Message --------
Subject: [Bug 1186049] New: [abrt] nxagent: nxagentFreeFontCache(): nxagent
killed by SIGABRT
Date: Mon, 26 Jan 2015 22:22:47 +0000
From: bugzilla@redhat.com
To: orion@cora.nwra.com

https://bugzilla.redhat.com/show_bug.cgi?id=1186049

            Bug ID: 1186049
           Summary: [abrt] nxagent: nxagentFreeFontCache(): nxagent killed
                    by SIGABRT
           Product: Fedora
           Version: 21
         Component: nx-libs
          Assignee: orion@cora.nwra.com
          Reporter: carlos.em.esteves@gmail.com
        QA Contact: extras-qa@fedoraproject.org
                CC: orion@cora.nwra.com



Description of problem:
x2Go Server with Mac Client, probleme with resolution the monitor... I don't
now what caused this problem...

Version-Release number of selected component:
nxagent-3.5.0.28-1.fc21

Additional info:
reporter:       libreport-2.3.0
backtrace_rating: 4
cmdline:        /usr/lib64/nx/../x2go/bin/x2goagent -extension XFIXES -nolisten
tcp -nolisten tcp -dpi 72 -D -auth /home/cares/.Xauthority -name
X2GO-cares-50-1422299914_stDXFCE_dp32 :50
crash_function: nxagentFreeFontCache
executable:     /usr/lib64/nx/bin/nxagent
kernel:         3.18.3-201.fc21.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #6 nxagentFreeFontCache at Font.c:199
 #7 nxagentCloseDisplay at Display.c:1825
 #8 AbortDDX at Init.c:455
 #11 nxagentFailedFontReconnect at Font.c:1209
 #12 nxagentReconnectFailedFonts at Font.c:1327
 #13 nxagentReconnectSession at Reconnect.c:482
 #14 nxagentHandleConnectionChanges at Reconnect.c:827
 #15 nxagentHandleConnectionStates at Reconnect.c:218
 #16 nxagentWakeupHandler at Handlers.c:589
 #17 WakeupHandler at dixutils.c:472

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Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#641; Package nx-libs. (Fri, 15 May 2015 13:10:01 GMT) Full text and rfc822 format available.

Acknowledgement sent to Mike Gabriel <mike.gabriel@das-netzwerkteam.de>:
Extra info received and forwarded to list. Copy sent to X2Go Developers <x2go-dev@lists.x2go.org>. (Fri, 15 May 2015 13:10:01 GMT) Full text and rfc822 format available.

Message #15 received at 641@bugs.x2go.org (full text, mbox):

From: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
To: Orion Poplawski <orion@cora.nwra.com>, 641@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#641: x2goagent crash in XFreeFontPath
Date: Fri, 15 May 2015 13:08:24 +0000
[Message part 1 (text/plain, inline)]
Hi Orion,

On  So 12 Okt 2014 16:27:21 CEST, Orion Poplawski wrote:

> Package: nx-libs
> Version: 3.5.0.27
>
> Core was generated by `/usr/lib64/nx/../x2go/bin/x2goagent  
> -extension XFIXES -nolisten tcp -nolisten t'.
> Program terminated with signal SIGABRT, Aborted.
> #0  0x00007f1be42d9877 in raise () from /lib64/libc.so.6
> Missing separate debuginfos, use: debuginfo-install  
> glibc-2.18-16.fc20.x86_64 libX11-1.6.1-1.fc20.x86_64  
> libXau-1.0.8-2.fc20.x86_64 libXcursor-devel-1.1.14-2.fc20.x86_64  
> libXfixes-5.0.1-2.fc20.x86_64 libXrender-0.9.8-2.fc20.x86_64  
> libgcc-4.8.3-7.fc20.x86_64 libjpeg-turbo-1.3.1-2.fc20.x86_64  
> libpng-1.6.6-3.fc20.x86_64 libstdc++-4.8.3-7.fc20.x86_64  
> libxcb-1.9.1-3.fc20.x86_64 libxml2-2.9.1-2.fc20.x86_64  
> sssd-client-1.11.7-2.fc20.x86_64 xz-libs-5.1.2-12alpha.fc20.x86_64  
> zlib-1.2.8-3.fc20.x86_64
> (gdb) bt
> #0  0x00007f1be42d9877 in raise () from /lib64/libc.so.6
> #1  0x00007f1be42daf68 in abort () from /lib64/libc.so.6
> #2  0x00007f1be4319a54 in __libc_message () from /lib64/libc.so.6
> #3  0x00007f1be43203ac in malloc_consolidate () from /lib64/libc.so.6
> #4  0x00007f1be4320c66 in _int_free () from /lib64/libc.so.6
> #5  0x00007f1be6865d8d in XFreeFontPath (list=list@entry=0x57e3980)  
> at GetFPath.c:92
> #6  0x0000000000495789 in nxagentReconnectFailedFonts (p0=<optimized  
> out>) at Font.c:1353
> #7  0x00000000004b8670 in nxagentReconnectSession () at Reconnect.c:482
> #8  0x00000000004b8a3b in nxagentHandleConnectionChanges () at  
> Reconnect.c:827
> #9  0x00000000004b8c60 in nxagentHandleConnectionStates () at Reconnect.c:218
> #10 0x000000000049b905 in nxagentWakeupHandler (data=<optimized  
> out>, count=-1, mask=0xacb760 <LastSelectMask>) at Handlers.c:589
> #11 0x000000000046a33b in WakeupHandler (result=result@entry=-1,  
> pReadmask=pReadmask@entry=0xacb760 <LastSelectMask>) at dixutils.c:472
> #12 0x0000000000473ca2 in WaitForSomething  
> (pClientsReady=pClientsReady@entry=0x7fffb3d56250) at WaitFor.c:389
> #13 0x0000000000445c1a in Dispatch () at X/NXdispatch.c:619
> #14 0x0000000000429455 in main (argc=15, argv=0x7fffb3d56878,  
> envp=<optimized out>) at main.c:450
> (gdb) up 5
> #5  0x00007f1be6865d8d in XFreeFontPath (list=list@entry=0x57e3980)  
> at GetFPath.c:92
> 92                      Xfree ((char *)list);
> (gdb) print list
> $1 = (char **) 0x57e3980
> (gdb) print (char *)list
> $2 = 0x57e3980 "\020\263\201\006"
> (gdb) up
> #6  0x0000000000495789 in nxagentReconnectFailedFonts (p0=<optimized  
> out>) at Font.c:1353
> 1353          XFreeFontPath(fontPaths);
> (gdb) print fontPaths
> $3 = (char **) 0x57e3980
>

Can you reproduce this issue with nx-libs 3.6.x (please build it from source).

In nx-libs we lately dropped nx-X11/lib/font completely and now build  
against the libXfont.so from X.Org. As the issue causing function is a  
libXfont function, I presume this issue to be solved in nx-libs 3.6.x.

Any feedback is highly appreciated.

Mike
-- 

DAS-NETZWERKTEAM
mike gabriel, herweg 7, 24357 fleckeby
fon: +49 (1520) 1976 148

GnuPG Key ID 0x25771B31
mail: mike.gabriel@das-netzwerkteam.de, http://das-netzwerkteam.de

freeBusy:
https://mail.das-netzwerkteam.de/freebusy/m.gabriel%40das-netzwerkteam.de.xfb
[Message part 2 (application/pgp-signature, inline)]

Information forwarded to x2go-dev@lists.x2go.org, X2Go Developers <x2go-dev@lists.x2go.org>:
Bug#641; Package nx-libs. (Sat, 16 May 2015 04:30:01 GMT) Full text and rfc822 format available.

Acknowledgement sent to Orion Poplawski <orion@cora.nwra.com>:
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Message #20 received at 641@bugs.x2go.org (full text, mbox):

From: Orion Poplawski <orion@cora.nwra.com>
To: Mike Gabriel <mike.gabriel@das-netzwerkteam.de>, 641@bugs.x2go.org
Subject: Re: [X2Go-Dev] Bug#641: x2goagent crash in XFreeFontPath
Date: Fri, 15 May 2015 22:17:35 -0600
On 05/15/2015 07:08 AM, Mike Gabriel wrote:
> Hi Orion,
>
> On  So 12 Okt 2014 16:27:21 CEST, Orion Poplawski wrote:
>
>> Package: nx-libs
>> Version: 3.5.0.27
>>
>> Core was generated by `/usr/lib64/nx/../x2go/bin/x2goagent -extension
>> XFIXES -nolisten tcp -nolisten t'.
>> Program terminated with signal SIGABRT, Aborted.
>> #0  0x00007f1be42d9877 in raise () from /lib64/libc.so.6
>> Missing separate debuginfos, use: debuginfo-install
>> glibc-2.18-16.fc20.x86_64 libX11-1.6.1-1.fc20.x86_64
>> libXau-1.0.8-2.fc20.x86_64 libXcursor-devel-1.1.14-2.fc20.x86_64
>> libXfixes-5.0.1-2.fc20.x86_64 libXrender-0.9.8-2.fc20.x86_64
>> libgcc-4.8.3-7.fc20.x86_64 libjpeg-turbo-1.3.1-2.fc20.x86_64
>> libpng-1.6.6-3.fc20.x86_64 libstdc++-4.8.3-7.fc20.x86_64
>> libxcb-1.9.1-3.fc20.x86_64 libxml2-2.9.1-2.fc20.x86_64
>> sssd-client-1.11.7-2.fc20.x86_64 xz-libs-5.1.2-12alpha.fc20.x86_64
>> zlib-1.2.8-3.fc20.x86_64
>> (gdb) bt
>> #0  0x00007f1be42d9877 in raise () from /lib64/libc.so.6
>> #1  0x00007f1be42daf68 in abort () from /lib64/libc.so.6
>> #2  0x00007f1be4319a54 in __libc_message () from /lib64/libc.so.6
>> #3  0x00007f1be43203ac in malloc_consolidate () from /lib64/libc.so.6
>> #4  0x00007f1be4320c66 in _int_free () from /lib64/libc.so.6
>> #5  0x00007f1be6865d8d in XFreeFontPath (list=list@entry=0x57e3980) at
>> GetFPath.c:92
>> #6  0x0000000000495789 in nxagentReconnectFailedFonts (p0=<optimized
>> out>) at Font.c:1353
>> #7  0x00000000004b8670 in nxagentReconnectSession () at Reconnect.c:482
>> #8  0x00000000004b8a3b in nxagentHandleConnectionChanges () at
>> Reconnect.c:827
>> #9  0x00000000004b8c60 in nxagentHandleConnectionStates () at
>> Reconnect.c:218
>> #10 0x000000000049b905 in nxagentWakeupHandler (data=<optimized out>,
>> count=-1, mask=0xacb760 <LastSelectMask>) at Handlers.c:589
>> #11 0x000000000046a33b in WakeupHandler (result=result@entry=-1,
>> pReadmask=pReadmask@entry=0xacb760 <LastSelectMask>) at dixutils.c:472
>> #12 0x0000000000473ca2 in WaitForSomething
>> (pClientsReady=pClientsReady@entry=0x7fffb3d56250) at WaitFor.c:389
>> #13 0x0000000000445c1a in Dispatch () at X/NXdispatch.c:619
>> #14 0x0000000000429455 in main (argc=15, argv=0x7fffb3d56878,
>> envp=<optimized out>) at main.c:450
>> (gdb) up 5
>> #5  0x00007f1be6865d8d in XFreeFontPath (list=list@entry=0x57e3980) at
>> GetFPath.c:92
>> 92                      Xfree ((char *)list);
>> (gdb) print list
>> $1 = (char **) 0x57e3980
>> (gdb) print (char *)list
>> $2 = 0x57e3980 "\020\263\201\006"
>> (gdb) up
>> #6  0x0000000000495789 in nxagentReconnectFailedFonts (p0=<optimized
>> out>) at Font.c:1353
>> 1353          XFreeFontPath(fontPaths);
>> (gdb) print fontPaths
>> $3 = (char **) 0x57e3980
>>
>
> Can you reproduce this issue with nx-libs 3.6.x (please build it from
> source).
>
> In nx-libs we lately dropped nx-X11/lib/font completely and now build
> against the libXfont.so from X.Org. As the issue causing function is a
> libXfont function, I presume this issue to be solved in nx-libs 3.6.x.
>
> Any feedback is highly appreciated.
>
> Mike

3.6.x still fails to build for me - 
https://github.com/ArcticaProject/nx-libs/issues/27

-- 
Orion Poplawski
Technical Manager                     303-415-9701 x222
NWRA/CoRA Division                    FAX: 303-415-9702
3380 Mitchell Lane                  orion@cora.nwra.com
Boulder, CO 80301              http://www.cora.nwra.com


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