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Binary package hint: vnc4server
Using the libvnc.so module in Xorg 1.4.
On first keypress or mouseclick by vnc client, Xorg log on vnc server
side shows:
Backtrace:
0: /usr/bin/X11/X(xf86SigHandler+0x6a) [0x483d5a]
1: /lib/libc.so.6 [0x2aeb4a768100]
2:
/usr/lib/xorg/modules/extensions//libvnc.so(_ZN14XserverDesktop8keyEventEjb+0x8b)
[0x2aeb4cd1838b]
3:
/usr/lib/xorg/modules/extensions//libvnc.so(_ZN3rfb16VNCSConnectionST8keyEventEjb+0x103)
[0x2aeb4cd2f213]
4:
/usr/lib/xorg/modules/extensions//libvnc.so(_ZN3rfb16VNCSConnectionST15processMessagesEv+0x30)
[0x2aeb4cd2f300]
5:
/usr/lib/xorg/modules/extensions//libvnc.so(_ZN14XserverDesktop13wakeupHandlerEP6fd_seti+0xf6)
[0x2aeb4cd17c06]
6: /usr/lib/xorg/modules/extensions//libvnc.so [0x2aeb4cd0fdd9]
7: /usr/bin/X11/X(WakeupHandler+0x4e) [0x4526ee]
8: /usr/bin/X11/X(WaitForSomething+0x204) [0x560e04]
9: /usr/bin/X11/X(Dispatch+0x9a) [0x44e8aa]
10: /usr/bin/X11/X(main+0x47d) [0x436c1d]
11: /lib/libc.so.6(__libc_start_main+0xf4) [0x2aeb4a7541c4]
12: /usr/bin/X11/X(FontFileCompleteXLFD+0x279) [0x435f59]
Fatal server error:
Caught signal 11. Server aborting
>From the Debian bug 444697, there apparently is an ABI change in Xorg
1.4 that breaks this. The xorg-xerver bits in this package are too old
(1.0.2) to work with 1.4.1 that is in the xserver-xorg-core package now.
Be advised that Debian bug 444697 "fixes" this bug by REMOVING libvnc.so. Quote:
"Removed libvnc.so that do not work with recent xorg. This is a workaround but
solves the grave fault, closes: #444697."
This tacitly suggests that Xorg does not support libvnc.so at this time.
In any case bug 444697 does not solve the problem. Debian merely removed
the feature that fails and closed the bug. From a project management
standpoint, the non-working libvnc.so is now orphaned and completely
untracked (there is no bug I can find that tracks non-working
libvnc.so). The closing of Debian bug 444697 implies it was fixed when
it was not.
** Affects: vnc4 (Ubuntu)
Importance: Undecided
Status: New
** Tags: libvnc.so vnc.so vnc4 vnc4server xorg
--
vnc4: vnc4server: libvnc.so crashes Xorg 1.4 on remote keypress or mouseclick
https://bugs.launchpad.net/bugs/247669
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