Public bug reported:
I have Caps Lock remapped to Control using the Gnome keyboard
preferences. When I plug in an external keyboard, (in this case, a
Microsoft Natural Keyboard), the mapping no longer works, and caps lock
on the external keyboard works as a caps lock key, not as a control key.
If I look in the keyboard preferences, it says that caps lock is mapped
to control. I note that the caps lock key on the internal keyboard is
still properly mapped to control, only the external keyboard is missing
the mapping.
xmodmap says the following without the external keyboard plugged in:
[hup:0]% xmodmap -pm
xmodmap: up to 3 keys per modifier, (keycodes in parentheses):
shift Shift_L (0x32), Shift_R (0x3e)
lock
control Control_L (0x25), Control_L (0x42), Control_R (0x69)
mod1 Alt_L (0x40), Alt_R (0x6c), Meta_L (0xcd)
mod2 Num_Lock (0x4d)
mod3
mod4 Super_L (0xce), Hyper_L (0xcf)
mod5 ISO_Level3_Shift (0x5c), Mode_switch (0xcb)
and with the external keyboard plugged in:
[hup:0]% xmodmap -pm
xmodmap: up to 3 keys per modifier, (keycodes in parentheses):
shift Shift_L (0x32), Shift_R (0x3e)
lock Caps_Lock (0x42)
control Control_L (0x25), Control_R (0x69)
mod1 Alt_L (0x40), Alt_R (0x6c), Meta_L (0xcd)
mod2 Num_Lock (0x4d)
mod3
mod4 Super_L (0xce), Hyper_L (0xcf)
mod5 ISO_Level3_Shift (0x5c), Mode_switch (0xcb)
Note that if with the external keyboard plugged in, I go to the keyboard
preferences, and turn off the remapping of caps lock, and then turn it
back on, the remapping sticks until the next time I unplug the external
keyboard and plug it back in.
Yet another data point: if I run xmodmap using the internal keyboard to
type the command and run it, I get the expected xmodmap listing (the
first one above), and if I do the same thing with the external keyboard,
I get the second listing. (unless I've done the workaround just
mentioned, in which case both maps are identical)
So it looks like my keyboard settings are different for each keyboard,
but there seems to be no way to discover this through the UI. I know I
never had this problem with 8.04, and but I'm not sure if I've always
had this problem with 8.10.
[hup:0]% lsb_release -rd
Description: Ubuntu 8.10
Release: 8.10
(And I'm not sure what package provides this functionality, but I have
all of the latest updates to 8.10)
** Affects: ubuntu
Importance: Undecided
Status: New
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Caps Lock stops being a Control key with an external keyboard
https://bugs.launchpad.net/bugs/309434
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