[Bug 385677] New: Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

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bugzilla_noreply＠novell.com

1 May 2008 1 May '08

17:25

https://bugzilla.novell.com/show_bug.cgi?id=385677 Summary: Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000] Product: openSUSE 11.0 Version: Factory Platform: i586 OS/Version: Other Status: NEW Severity: Major Priority: P5 - None Component: X.Org AssignedTo: sndirsch@novell.com ReportedBy: eward@novell.com QAContact: xorg-maintainer-bugs@forge.provo.novell.com CC: eward@novell.com Found By: --- Problem - Attempting to connect to the Xvnc causes a segfault. Here is what is thrown in the /var/log/message: May 1 04:53:06 erw3 gconfd (root-4101): starting (version 2.22.0), pid 4101 user 'root' May 1 04:53:06 erw3 gconfd (root-4101): Resolved address "xml:readonly:/etc/gconf/gconf.xml.mandatory" to a read-only configuration source at position 0 May 1 04:53:06 erw3 gconfd (root-4101): Resolved address "xml:readwrite:/root/.gconf" to a writable configuration source at position 1 May 1 04:53:06 erw3 gconfd (root-4101): Resolved address "xml:readonly:/etc/gconf/gconf.xml.defaults" to a read-only configuration source at position 2 May 1 04:53:06 erw3 gconfd (root-4101): Resolved address "xml:readonly:/etc/gconf/gconf.xml.vendor" to a read-only configuration source at position 3 May 1 04:53:06 erw3 gconfd (root-4101): Resolved address "xml:readonly:/etc/gconf/gconf.xml.schemas" to a read-only configuration source at position 4 May 1 04:53:06 erw3 klogd: Xvnc[4072]: segfault at 0 ip 08094afd sp bff59c20 error 4 in Xvnc[8048000+3b0000] May 1 04:53:07 erw3 gdm[4075]: gkr-pam: couldn't get the user name: Conversation error May 1 04:53:07 erw3 gconfd (root-4101): Exiting Steps to Reproduce: - Install an openSUSE 11.0 Beta 1 with a default gnome setup - Once logged into the system Start YaST and configure remote administration yast remote - Check the "Allow Remote Administration" and "Open Port in Firewall". And save the settings - Reboot the system. - From a remote machine attempt to connect to the Xvnc server vncviewer <Xvnc IP Address>:1 - The segfault should occur at this point Expected Behavior The user should be able to successfully connect to the Xvnc process and login to the system. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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1 May 1 May

17:49

New subject: [Bug 385677] Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c1 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |max@novell.com Status|NEW |NEEDINFO Info Provider| |eward@novell.com --- Comment #1 from Stefan Dirsch 2008-05-01 11:49:58 MST --- I can't get Xvnc to start via xinetd at all, although it seems to be registered. # nmap -P0 -p 5900-5905 shannon Starting Nmap 4.20 ( http://insecure.org ) at 2008-05-01 19:51 CEST Interesting ports on shannon (10.10.0.79): PORT STATE SERVICE 5900/tcp filtered vnc 5901/tcp open vnc-1 5902/tcp filtered vnc-2 5903/tcp filtered vnc-3 5904/tcp filtered unknown 5905/tcp filtered unknown Nmap finished: 1 IP address (1 host up) scanned in 11.346 seconds Reinhard, does this work for you? Eric, which architecture is this? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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19:49

New subject: [Bug 385677] Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

https://bugzilla.novell.com/show_bug.cgi?id=385677 User eward@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c2 Eric Ward changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW Info Provider|eward@novell.com | --- Comment #2 from Eric Ward 2008-05-01 13:49:01 MST --- I'm seeing this on both i586 and x86_64 openSUSE 11.0 beta1 systems. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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19:51

New subject: [Bug 385677] Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c3 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO Info Provider| |eward@novell.com --- Comment #3 from Stefan Dirsch 2008-05-01 13:51:36 MST --- Reinhard? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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20:05

New subject: [Bug 385677] Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

https://bugzilla.novell.com/show_bug.cgi?id=385677 User eward@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c4 --- Comment #4 from Eric Ward 2008-05-01 14:05:47 MST --- Stefan - Did you mean to set the need info to Reinhard? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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5 May 5 May

07:33

New subject: [Bug 385677] Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

https://bugzilla.novell.com/show_bug.cgi?id=385677 User max@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c7 Reinhard Max changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW Info Provider|max@novell.com | --- Comment #7 from Reinhard Max 2008-05-05 01:33:08 MST --- Starting Xvnc via xinetd (vncviewer localhost:1) works fine for me on 11.0 Beta1. But instead of a [xkg]dm login screen I only get the regular X server startup background with the right half distorted by horizontal stripes. When I move the vncviewer window around for a little while, it suddenly exits saying "VNC server closed connection", but I get no segfault reported in /var/log/messages or /var/log/xinetd . -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

bugzilla_noreply＠novell.com

08:29

New subject: [Bug 385677] Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c9 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |ASSIGNED --- Comment #9 from Stefan Dirsch 2008-05-05 02:29:28 MST --- (In reply to comment #7 from Reinhard Max)

...

Starting Xvnc via xinetd (vncviewer localhost:1) works fine for me on 11.0 Beta1.

But instead of a [xkg]dm login screen I only get the regular X server startup background

Same for me.

...

with the right half distorted by horizontal stripes.

I cannot reproduce this.

...

When I move the vncviewer window around for a little while, it suddenly exits saying "VNC server closed connection", but I get no segfault reported in /var/log/messages or /var/log/xinetd.

Same for me. Maybe this is a timeout, because no Xclient connects. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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08:35

New subject: [Bug 385677] Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c10 --- Comment #10 from Stefan Dirsch 2008-05-05 02:35:57 MST --- Ok. We both didn't run a displaymanager. Therefore we got the X background. After starting gdm I see the Sig11 in /var/log/messages as well. May 5 10:39:18 e33 klogd: Xvnc[17757]: segfault at 0 ip 45b691 sp 7fff29a4e460 error 4 in Xvnc[400000+3ea000] -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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08:38

New subject: [Bug 385677] Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c11 --- Comment #11 from Stefan Dirsch 2008-05-05 02:38:37 MST --- The segfault does not happen with kdm(3)/xdm. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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08:41

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Summary|Xvnc[3577]: segfault at 0 ip 08094afd sp |Xvnc segfaults when using gdm (Xvnc started by |bf979760 error 4 in Xvnc[8048000+3b0000] |xinetd) -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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11:03

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c12 --- Comment #12 from Stefan Dirsch 2008-05-05 05:02:59 MST --- Program received signal SIGSEGV, Segmentation fault. rfbSpritePictureOverlap (pPict=0xb6e9a0, x=0, y=0, w=28, h=28) at sprite.c:2020 2020 if (pPict->pDrawable->type == DRAWABLE_WINDOW) (gdb) bt #0 rfbSpritePictureOverlap (pPict=0xb6e9a0, x=0, y=0, w=28, h=28) at sprite.c:2020 #1 0x000000000045b9b4 in rfbSpriteComposite (op=1 '\001', pSrc=0xb6e9a0, pMask=0xb6ea80, pDst=0xb6eb60, xSrc=<value optimized out>, ySrc=<value optimized out>, xMask=0, yMask=0, xDst=0, yDst=0, width=<value optimized out>, height=<value optimized out>) at sprite.c:2065 #2 0x00000000006d35fa in ProcRenderComposite (client=0xb56a00) at render.c:758 #3 0x0000000000478d22 in Dispatch () at dispatch.c:502 #4 0x000000000048c215 in main (argc=10, argv=0x7fffd1ecb118, envp=<value optimized out>) at main.c:452 (gdb) Probably related to broken RENDER support in Xvnc. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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14:03

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c13 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #13 from Stefan Dirsch 2008-05-05 08:03:12 MST --- I disabled RENDER support in Xvnc now, which fixes this issue. Fixed for Beta3. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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14 May 14 May

14:12

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User mfabian@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c14 Mike Fabian changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mfabian@novell.com --- Comment #14 from Mike Fabian 2008-05-14 08:12:45 MST --- But this causes another bug, see bug #390011. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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15:56

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User federico@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c15 Federico Mena Quintero changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |federico@novell.com --- Comment #15 from Federico Mena Quintero 2008-05-14 09:56:26 MST --- Hmm, but this fixes the symptom, not the cause. What's the actual bug in Xvnc that makes it crash? Should we reopen this so that we can keep track of the actual crasher? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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16:02

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c16 --- Comment #16 from Stefan Dirsch 2008-05-14 10:02:10 MST --- I have no clue. Do you volunteer to debug Xvnc? -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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16:45

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c17 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|FIXED | --- Comment #17 from Stefan Dirsch 2008-05-14 10:45:55 MST --- xorg-x11.changes: ------------------------------------------------------------------- Wed May 14 18:19:15 CEST 2008 - sndirsch@suse.de - disabled patch to disable RENDER support in Xvnc, since it broke 24bit color depth support (bnc #390011) ==> REOPEN -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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16:46

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |ASSIGNED -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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16:49

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P5 - None |P2 - High -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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20:58

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c18 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |vodicka.petr@email.cz --- Comment #18 from Stefan Dirsch 2008-05-14 14:58:35 MST --- *** Bug 390468 has been marked as a duplicate of this bug. *** https://bugzilla.novell.com/show_bug.cgi?id=390468 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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22:22

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c19 --- Comment #19 from Stefan Dirsch 2008-05-14 16:22:06 MST --- *** Bug 390478 has been marked as a duplicate of this bug. *** https://bugzilla.novell.com/show_bug.cgi?id=390478 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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15 May 15 May

18:24

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User federico@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c20 --- Comment #20 from Federico Mena Quintero 2008-05-15 12:24:23 MST --- (In reply to comment #16 from Stefan Dirsch)

...

I have no clue. Do you volunteer to debug Xvnc?

I won't have time to do that any time soon, sorry :) If the "disable RENDER" hack works and clients can deal with that, I guess it's okay to leave the bug as fixed. You are a lot more familiar than myself with the upstream bugs.freedesktop.org for xorg --- do you know if there's a bug there about this? We can just reference it from here and leave *our* bug as LATER or something. -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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19:44

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c21 --- Comment #21 from Stefan Dirsch 2008-05-15 13:44:32 MST --- Unfortunately the "disable RENDER" hack breaks 24 color depth, so this is no longer an option. :-( -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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16 May 16 May

10:56

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c22 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|ASSIGNED |RESOLVED Resolution| |FIXED --- Comment #22 from Stefan Dirsch 2008-05-16 04:56:12 MST --- fixed for RC1/Factory/XOrg:X11 # rpm --changelog -q xorg-x11-server ------------------------------------------------------------------- Fri May 16 12:15:57 CEST 2008 - sndirsch@suse.de - xorg-server-1.4-vnc-render_sig11.diff * fixed sig11 in RENDER code (bnc #385677) -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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21 May 21 May

07:53

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User sndirsch@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c23 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |heinze@wd-sgh.de --- Comment #23 from Stefan Dirsch 2008-05-21 01:53:09 MST --- *** Bug 390169 has been marked as a duplicate of this bug. *** https://bugzilla.novell.com/show_bug.cgi?id=390169 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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12:36

New subject: [Bug 385677] Xvnc segfaults when using gdm (Xvnc started by xinetd)

https://bugzilla.novell.com/show_bug.cgi?id=385677 User jpr@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=385677#c24 --- Comment #24 from JP Rosevear 2008-05-21 06:36:13 MST --- *** Bug 390169 has been marked as a duplicate of this bug. *** https://bugzilla.novell.com/show_bug.cgi?id=390169 -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.

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[Bug 385677] New: Xvnc[3577]: segfault at 0 ip 08094afd sp bf979760 error 4 in Xvnc[8048000+3b0000]

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