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Message #02741
Re: [Bug 706689] Re: segfault in clock plugin when cairo symbol is missing
the dock doesn't use any private function of cairo.
I'm surprised it compiles and doesn't link. it means we use a function that
is defined, but does not exist.
isn't there some warnings in the terminal during the compilation ?
do you have something related to cairo-dock in /usr/local that could
interfere with /usr ?
2011/1/24 Marb <706689@xxxxxxxxxxxxxxxxxx>
> > which packages are you using ?
> > do you compile the dock from the current trunk ?
>
> Yes, current trunk . . . well, recent trunk, since cairo-dock-core won't
> compile with the latest cairo snapshot, as stated in the report above.
> The segfault is with recent trunk, the build failure is with current
> trunk.
>
> > I don't have any problem but I'm on a 32bits system.
>
> Are you sure that you've installed cairo 1.11.2?
>
> > maybe the problem comes fromthis:
> > /usr/lib64/cairo-dock/libcd-clock.so
> >
> > I'm pretty sure you have plug-ins in /usr/lib as well, and the ones the
> dock
> > loads are the old ones, which have not been compiled for it.
>
> Indeed I do, since /lib is a symlink to /lib64, as this is Gentoo:
>
> lrwxrwxrwx 1 root root 5 Jan 12 03:42 lib -> lib64
> drwxr-xr-x 10 root root 4096 Jan 24 09:30 lib64
>
> --
> You received this bug notification because you are a member of Cairo-
> Dock Team, which is subscribed to Cairo-Dock Core.
> https://bugs.launchpad.net/bugs/706689
>
> Title:
> segfault in clock plugin when cairo symbol is missing
>
> Status in Cairo-Dock : Core:
> New
> Status in Cairo-Dock : Plug-ins:
> New
>
> Bug description:
> In the latest pre-release of cairo (1.11.2), a symbol which the clock
> plugin uses appears to have been removed. Instead of gracefully
> failing to load the plugin, cairo-dock segfaults. Unfortunately,
> cairo-dock-plugins doesn't allow for disabling the clock plugin from
> being built or being loaded, thus the only workaround is to disable
> plugins altogether, which isn't ideal.
>
>
> This is spat out when cairo-dock is started from a terminal:
> while opening module '/usr/lib64/cairo-dock/libcd-clock.so' :
> (/usr/lib64/cairo-dock/libcd-clock.so: undefined symbol:
> cairo_dock_reload_current_module_widget_full)
> Segmentation fault
>
> Further, when attempting to build cairo-dock, this is spat out:
> Linking C executable cairo-dock
> CMakeFiles/cairo-dock.dir/cairo-dock-menu.c.o: In function
> `_cairo_dock_launch_new':
> cairo-dock-menu.c:(.text+0x31): undefined reference to `myContainersMgr'
> CMakeFiles/cairo-dock.dir/cairo-dock-menu.c.o: In function
> `_add_desktops_entry':
> cairo-dock-menu.c:(.text+0x141): undefined reference to
> `g_desktopGeometry'
> cairo-dock-menu.c:(.text+0x1d7): undefined reference to
> `cairo_dock_get_icon_with_Xid'
> cairo-dock-menu.c:(.text+0x2c0): undefined reference to
> `cairo_dock_add_in_menu_with_stock_and_data'
> cairo-dock-menu.c:(.text+0x2e7): undefined reference to
> `cairo_dock_appli_is_on_desktop'
> CMakeFiles/cairo-dock.dir/cairo-dock-menu.c.o: In function
> `_cairo_dock_move_appli_to_desktop':
> . . . and so on.
>
> I presume that this is a problem in the plug-ins package as well as
> core, so I'm not sure whether there should be a bug for both(?). The
> problem was already present in cairo revision b5152:
> http://cgit.freedesktop.org/cairo/commit/?id=b5152
>
> A haphazard guess: Perhaps cairo-dock was using private cairo API
> which was removed whence:
> http://cgit.freedesktop.org/cairo/commit/?id=ff9e9
>
>
>
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--
You received this bug notification because you are a member of Cairo-
Dock Team, which is subscribed to Cairo-Dock Core.
https://bugs.launchpad.net/bugs/706689
Title:
segfault in clock plugin when cairo symbol is missing
Status in Cairo-Dock : Core:
New
Status in Cairo-Dock : Plug-ins:
New
Bug description:
In the latest pre-release of cairo (1.11.2), a symbol which the clock
plugin uses appears to have been removed. Instead of gracefully
failing to load the plugin, cairo-dock segfaults. Unfortunately,
cairo-dock-plugins doesn't allow for disabling the clock plugin from
being built or being loaded, thus the only workaround is to disable
plugins altogether, which isn't ideal.
This is spat out when cairo-dock is started from a terminal:
while opening module '/usr/lib64/cairo-dock/libcd-clock.so' : (/usr/lib64/cairo-dock/libcd-clock.so: undefined symbol: cairo_dock_reload_current_module_widget_full)
Segmentation fault
Further, when attempting to build cairo-dock, this is spat out:
Linking C executable cairo-dock
CMakeFiles/cairo-dock.dir/cairo-dock-menu.c.o: In function `_cairo_dock_launch_new':
cairo-dock-menu.c:(.text+0x31): undefined reference to `myContainersMgr'
CMakeFiles/cairo-dock.dir/cairo-dock-menu.c.o: In function `_add_desktops_entry':
cairo-dock-menu.c:(.text+0x141): undefined reference to `g_desktopGeometry'
cairo-dock-menu.c:(.text+0x1d7): undefined reference to `cairo_dock_get_icon_with_Xid'
cairo-dock-menu.c:(.text+0x2c0): undefined reference to `cairo_dock_add_in_menu_with_stock_and_data'
cairo-dock-menu.c:(.text+0x2e7): undefined reference to `cairo_dock_appli_is_on_desktop'
CMakeFiles/cairo-dock.dir/cairo-dock-menu.c.o: In function `_cairo_dock_move_appli_to_desktop':
. . . and so on.
I presume that this is a problem in the plug-ins package as well as
core, so I'm not sure whether there should be a bug for both(?). The
problem was already present in cairo revision b5152:
http://cgit.freedesktop.org/cairo/commit/?id=b5152
A haphazard guess: Perhaps cairo-dock was using private cairo API
which was removed whence:
http://cgit.freedesktop.org/cairo/commit/?id=ff9e9
References