[Bug 674341] New: vnc connection crashes when moving fvwm window by title bar

bugzilla_noreply＠novell.com

23 Feb 2011 23 Feb '11

15:33

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c0 Summary: vnc connection crashes when moving fvwm window by title bar Classification: openSUSE Product: openSUSE 11.2 Version: Final Platform: Other OS/Version: Other Status: NEW Severity: Critical Priority: P5 - None Component: X.Org AssignedTo: bnc-team-xorg-bugs@forge.provo.novell.com ReportedBy: phdm@macqel.be QAContact: xorg-maintainer-bugs@forge.provo.novell.com Found By: --- Blocker: --- User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.2) Gecko/20090730 SUSE/3.5.2-2.1 Firefox/3.5.2 I have configured remote suse 11.2 machines to use fvwm as default wm. I connect to those machines using vnc. Everytime I try to move a window by clicking on the title bar, the connection crashes. This does not happen in the fvwm on the graphic console, so I surmise it must be a vnc problem. This happens with different vnc clients (different ms-windows versions and different linux versions). Reproducible: Always Steps to Reproduce: 1.set fvwm as the default window manager 2.connect to this computer using vnc 3.hold the title bar of a window and try to move it -> connection broken :( -- 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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23 Feb 23 Feb

16:16

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Priority|P5 - None |P3 - Medium AssignedTo|bnc-team-xorg-bugs@forge.pr |mhopf@novell.com |ovo.novell.com | -- 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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16:17

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c1 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO InfoProvider| |phdm@macqel.be --- Comment #1 from Stefan Dirsch 2011-02-23 16:17:13 UTC --- Are you using Xvnc (via inetd) or the vnc Xserver module? -- 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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20:13

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c2 Philippe De Muyter changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW InfoProvider|phdm@macqel.be | --- Comment #2 from Philippe De Muyter 2011-02-23 20:13:30 UTC --- It is /usr/bin/Xvnc served by 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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24 Feb 24 Feb

13:58

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c3 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |NEEDINFO InfoProvider| |phdm@macqel.be --- Comment #3 from Stefan Dirsch 2011-02-24 13:58:12 UTC --- Could you send us a backtrace from the Xvnc crash? Install xorg-x11-Xvnc-debuginfo and xorg-x11-Xvnc-debugsource packages, then attach gdb to Xvnc via gdb -p <pid> (figure out the pid via 'ps aux|grep Xvnc) type 'continue' and once Xvnc crashes, type 'backtrace'. Then attach this output for the 'backtrace' gdb command. -- 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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15:19

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c4 Philippe De Muyter changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |NEW InfoProvider|phdm@macqel.be | --- Comment #4 from Philippe De Muyter 2011-02-24 15:19:30 UTC --- Here you are: (gdb) bt #0 0xffffe424 in __kernel_vsyscall () #1 0xb728b0cf in raise () from /lib/libc.so.6 #2 0xb728c9e7 in abort () from /lib/libc.so.6 #3 0xb7283efe in __assert_fail () from /lib/libc.so.6 #4 0xb76476ba in ?? () from /usr/lib/libpixman-1.so.0 #5 0xb7648324 in pixman_region_union () from /usr/lib/libpixman-1.so.0 #6 0x080f704b in miUnion () #7 0x0806f18e in rfbComposite () #8 0x0816641e in CompositePicture () #9 0x0816232e in miGlyphs () #10 0x08162635 in CompositeGlyphs () #11 0x0816d42b in ?? () #12 0x08168f73 in ?? () #13 0x0809d17f in Dispatch () #14 0x080b49e5 in main () (gdb) and with pixman-debuginfo and pixman-debugsource added : (gdb) bt #0 0xffffe424 in __kernel_vsyscall () #1 0xb73870cf in raise () from /lib/libc.so.6 #2 0xb73889e7 in abort () from /lib/libc.so.6 #3 0xb737fefe in __assert_fail () from /lib/libc.so.6 #4 0xb77436ba in pixman_region_append_non_o (y2=<value optimized out>, y1=<value optimized out>, r_end=<value optimized out>, r=<value optimized out>, region=<value optimized out>) at pixman-region.c:670 #5 pixman_op (y2=<value optimized out>, y1=<value optimized out>, r_end=<value optimized out>, r=<value optimized out>, region=<value optimized out>) at pixman-region.c:996 #6 0xb7744324 in pixman_region_union (new_reg=0x83f3d0c, reg1=0x83f3d0c, reg2=0xbf84f824) at pixman-region.c:1439 #7 0x080f704b in miUnion () #8 0x0806f18e in rfbComposite () #9 0x0816641e in CompositePicture () #10 0x0816232e in miGlyphs () #11 0x08162635 in CompositeGlyphs () #12 0x0816d42b in ?? () #13 0x08168f73 in ?? () #14 0x0809d17f in Dispatch () #15 0x080b49e5 in main () (gdb) fr 4 #4 0xb77436ba in pixman_region_append_non_o (y2=<value optimized out>, y1=<value optimized out>, r_end=<value optimized out>, r=<value optimized out>, region=<value optimized out>) at pixman-region.c:670 670 assert (y1 < y2); (gdb) li 665 box_type_t *next_rect; 666 int new_rects; 667 668 new_rects = r_end - r; 669 670 assert (y1 < y2); 671 assert (new_rects != 0); 672 673 /* Make sure we have enough space for all rectangles to be added */ 674 RECTALLOC (region, new_rects); (gdb) -- 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

15:24

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c5 --- Comment #5 from Philippe De Muyter 2011-02-24 15:24:03 UTC --- (In reply to comment #3)

...

Could you send us a backtrace from the Xvnc crash? Install xorg-x11-Xvnc-debuginfo and xorg-x11-Xvnc-debugsource packages,

I did not find a xorg-x11-Xvnc-debugsource package :( -- 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 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c6 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |DUPLICATE --- Comment #6 from Stefan Dirsch 2011-02-24 16:02:10 UTC --- Known issues, which already has been fixed via Online Update for openSUSE 11.2. # rpm --changelog -q pixman Sat Nov 27 10:31:27 UTC 2010 - sndirsch@novell.com - improve-pixregion-nil.diff * prevent Xvnc from aborting (bnc #597424) [...] I guess you forgot to update your system. Closing as duplicate. *** This bug has been marked as a duplicate of bug 597424 *** http://bugzilla.novell.com/show_bug.cgi?id=597424 -- 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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17:25

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c7 Philippe De Muyter changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |REOPENED Resolution|DUPLICATE | --- Comment #7 from Philippe De Muyter 2011-02-24 17:25:44 UTC --- package pixman is not installed on that system, only libpixman. and I did an online_update yesterday, about 2 hours before filing the bug report. tmp164:~ # rpm -q -a | grep pixman libpixman-1-0-devel-0.16.0-2.2.i586 libpixman-1-0-debuginfo-0.16.0-2.2.i586 libpixman-1-0-0.16.0-2.2.i586 pixman-debugsource-0.16.0-2.2.i586 tmp164:~ # rpm -q -a | grep vnc xorg-x11-Xvnc-debuginfo-7.4-61.63.1.i586 xorg-x11-Xvnc-7.4-61.65.1.i586 tightvnc-1.3.9-106.1.i586 tmp164:~ # -- 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

18:05

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c8 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |NEEDINFO InfoProvider| |maint-coord@suse.de --- Comment #8 from Stefan Dirsch 2011-02-24 18:05:02 UTC --- You're right. The package is called libpixman-1-0. The official libpixman update I could find for openSUSE 11.2-i586 is libpixman-1-0-0.16.0-1.3.1.i586.rpm libpixman-1-0-0.16.0-2.2_1.3.1.i586.delta.rpm # rpm --changelog -qp libpixman-1-0-0.16.0-2.2_1.3.1.i586.delta.rpm * Sa Nov 27 2010 sndirsch@novell.com - improve-pixregion-nil.diff * prevent Xvnc from aborting (bnc #59742 # rpm --changelog -qp libpixman-1-0-0.16.0-1.3.1.i586.rpm * Sa Nov 27 2010 sndirsch@novell.com - improve-pixregion-nil.diff * prevent Xvnc from aborting (bnc #597424) For some reason the release number of the updated package is smaller than the one of the installed package. This explains why it hasn't been updated. :-( @Maintenance team: How did this happen ?!? See /mounts/mirror/SuSE/ftp.opensuse.org/srv/ftp/pub/opensuse/update/11.2/rpm/i586 as reference for the RPMs mentioned above. -- 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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18:07

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c9 --- Comment #9 from Stefan Dirsch 2011-02-24 18:07:16 UTC --- On 11.2 GM there is libpixman-1-0-0.16.0-2.2.i586. -- 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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25 Feb 25 Feb

11:12

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|mhopf@novell.com |sndirsch@novell.com -- 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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11:37

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c10 --- Comment #10 from Philippe De Muyter 2011-02-25 11:37:03 UTC --- (In reply to comment #8)

...

You're right. The package is called libpixman-1-0. The official libpixman update I could find for openSUSE 11.2-i586 is

libpixman-1-0-0.16.0-1.3.1.i586.rpm libpixman-1-0-0.16.0-2.2_1.3.1.i586.delta.rpm

Hello Stefan, I have manually erased the installed libpixman-1-0 package with rpm -e --nodeps libpixman-1-0 and then, also manually, installed the one found in update with rpm -i libpixman-1-0-0.16.0-1.3.1.i586.rpm and now my vnc servers do not crash anymore Thanks for the quick, detailed and useful answer Philippe -- 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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28 Feb 28 Feb

12:11

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c Dirk Mueller changed: What |Removed |Added ---------------------------------------------------------------------------- InfoProvider|maint-coord@suse.de |dmueller@novell.com -- 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 Mar 1 Mar

14:21

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c11 Matthias Hopf changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mhopf@novell.com --- Comment #11 from Matthias Hopf 2011-03-01 14:21:14 UTC --- Philippe, have you installed some libpixman package manually before? That would explain this behavior. Otherwise we would have to dig why you had a "newer" libpixman installed... Also, doing an 'rpm -V <packagename>' typically helps validating that it was installed correctly before. @Stefan:

...

For some reason the release number of the updated package is smaller than the one of the installed package. This explains why it hasn't been updated. :-(

No, installed version (comment 7) is 0.16.0-2.2:

...

libpixman-1-0-0.16.0-2.2.i586

Available version (comment 8) is 0.16.0-2.2:

...

libpixman-1-0-0.16.0-1.3.1.i586.rpm libpixman-1-0-0.16.0-2.2_1.3.1.i586.delta.rpm

So they are the same... I do not say that I understand... -- 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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14:49

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c12 --- Comment #12 from Philippe De Muyter 2011-03-01 14:49:53 UTC --- (In reply to comment #11)

...

Philippe, have you installed some libpixman package manually before? That would explain this behavior.

No. I checked again against http://download.opensuse.org/distribution/11.2/repo/oss/suse/i586/ and what you find there is libpixman-1-0-0.16.0-2.2.i586.rpm

...

Otherwise we would have to dig why you had a "newer" libpixman installed... Also, doing an 'rpm -V <packagename>' typically helps validating that it was installed correctly before.

@Stefan:

...
For some reason the release number of the updated package is smaller than the one of the installed package. This explains why it hasn't been updated. :-(

No, installed version (comment 7) is 0.16.0-2.2:

...
libpixman-1-0-0.16.0-2.2.i586

Available version (comment 8) is 0.16.0-2.2:

...
libpixman-1-0-0.16.0-1.3.1.i586.rpm libpixman-1-0-0.16.0-2.2_1.3.1.i586.delta.rpm

So they are the same... I do not say that I understand...

No, the fixed version is 0.16.0-1.3.1 :) the broken (and original) version is 0.16.0-2.2, so the fixed version has a lower release number (1.3.1) than the original one (2.2) Philippe -- 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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17:25

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c13 --- Comment #13 from Matthias Hopf 2011-03-01 17:25:44 UTC --- I couldn't believe the version numbers, but you're absolutely right :-( Some helpful comments from the autobuild team would be greatly appreciated :^) -- 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 Mar 11 Mar

20:25

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c14 Dirk Mueller changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |REOPENED InfoProvider|dmueller@novell.com | --- Comment #14 from Dirk Mueller 2011-03-11 21:25:02 CET --- I'm not autobuild team. but we fixed the wrong release number now in the 11.2 update channel. Please check if the bug can be RESOLVED/FIXED now. -- 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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20:59

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c15 Stefan Dirsch changed: What |Removed |Added ---------------------------------------------------------------------------- Status|REOPENED |NEEDINFO InfoProvider| |phdm@macqel.be --- Comment #15 from Stefan Dirsch 2011-03-11 20:59:52 UTC --- Philippe, please give it a try. Thanks. -- 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 Mar 14 Mar

12:24

New subject: [Bug 674341] vnc connection crashes when moving fvwm window by title bar

https://bugzilla.novell.com/show_bug.cgi?id=674341 https://bugzilla.novell.com/show_bug.cgi?id=674341#c16 Philippe De Muyter changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEEDINFO |RESOLVED InfoProvider|phdm@macqel.be | Resolution| |FIXED --- Comment #16 from Philippe De Muyter 2011-03-14 12:24:18 UTC --- It is ok now. online_update pulled automatically the 2.4.1 release, and vnc does not abort anymore. Thanks -- 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 674341] New: vnc connection crashes when moving fvwm window by title bar

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