** Description changed:
MacBook keyboards and other Apple keyboards lack a SysRq key and
therefore lack important kernel functionality that is designed to save
catastrophic data loss if the computer freezes. An equivalent keystroke
should be assigned, for example Fn + Eject, to preserve
Attatched a keyfuzz file for usage with MBP.
With the patch in previous comment, one can put the symlink in:
/etc/keyfuzz/by-id/usb-Apple_Inc._Apple_Internal_Keyboard___Trackpad-event-kbd
instead of /etc/keyfuzz/eventX (the latter was unreliable in my case).
** Attachment added: keyfuzz file
Hi,
being a puritanist I tried creating a .deb for my own personal usage and
using the init scripts that come with keyfuzz.
The init script needed to be patched, since the /dev/input/eventX nodes
are created in different order at least sometimes (attached).
** Patch added: keyfuzz init script
Actually I put
echo 786616 99 | keyfuzz -s -d /dev/input/by-id/usb-Apple_Inc
._Apple_Internal_Keyboard___Trackpad-event-kbd
in my /etc/rc.local
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Hello ikus060,
could you adapt your patch to provide a configurable parameter as iso_layout
and fnmode do? (maybe see the patchwork link from last post for an example)
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For a full set of keyboard workarounds see
https://aur.archlinux.org/packages/un-apple-keyboard .
A real fix will require a patches to the hid_apple kernel module that
add appropriate parameter options.
Additionally, the swapmodifiers option from this patch
As macbooks do not seem to have F13-F15 keys, also provide some alternatives.
For example, map alt-eject to SysRq.
scancodes: http://ubuntuforums.org/archive/index.php/t-762665.html
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Best way to go currently is to install (manually compile) the keyfuzz
program and put
echo 786616 99 | keyfuzz -s -d /dev/input/by-id/usb-Apple_Inc
._Apple_Internal_Keyboard___Trackpad-event-kbd
in your /etc/profile for instance. This maps Alt-Eject on a typical
Apple Macbook Pro (mine is
Doesn't fn+shift+F11 work? As in http://support.apple.com/kb/HT1171
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Title:
SysRq key equivalent needed
To manage notifications about this bug
@João Hornburg:
No, fn+Shift+F11 doesn't work. Tested in Ubuntu 12.04, it doesn't even work as
a regular Print Screen key. The key mappings in the Apple page you reference
are apparently not all implemented by the Linux “apple” key layout. Also, if
fn+Shift+F11 were Print Screen/SysRq, would
** Changed in: linux (Ubuntu)
Assignee: Canonical Kernel Team (canonical-kernel-team) = (unassigned)
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Title:
SysRq key equivalent needed
To
This bug report is being marked as confirmed because it is affecting
more than one person. For future reference you can manage the status of
your own bugs by clicking on the current status in the yellow line and
then choosing a new status in the revealed drop down box. You can learn
more about bug
see also http://bobcopeland.com/blog/2008/10/sysrq-on-macbook/ and
http://0pointer.de/lennart/projects/keyfuzz/
http://www.mail-archive.com/linux-input@atrey.karlin.mff.cuni.cz/msg00653.html
http://ubuntuforums.org/archive/index.php/t-762665.html
Still problems with F13 / F14 / F15, kde khotkey correctly print 'Print' key
when i press it ( by example for launching ksnapshot ).
But then on the desktop, if i press F13 ( emulating Print ), nothing appear ...
Please any help?
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Dmitry Torokhov, please, tell me how do you do this (or refer to a man)?
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** Tags added: kj-triage
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The HID driver now supports adjusting keymaps from userspace via
EVIOCSKEYCODE ioctl and HAL utilizes that; I recommend doing the same
here in leu of patching kernel.
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[This is an automated message. Apologies if it has reached you
inappropriately.]
This bug was reported against the linux-meta package when it likely
should have been reported against the linux package instead. We are
automatically transitioning this to the linux kernel package so that the
** Changed in: linux-meta (Ubuntu)
Assignee: Colin King (colin-king) = Canonical Kernel Team
(canonical-kernel-team)
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** Changed in: linux-meta (Ubuntu)
Assignee: (unassigned) = Colin King (colin-king)
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** Package changed: linux (Ubuntu) = linux-meta (Ubuntu)
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Here a file to patch the kernel. It's modifying the hid_apple.c file to
map F13, F14, F15 to PrintSc, ScrollLock and Pause. This modification
apply only to Apple Slim Aluminium Keyboard (0003:05AC:0220.0004). I'm
sure the modification can be apply to many more apple keyboard, so
modify the patch
ikus, incase you did not know, 'Insert' should be mapped to the 'help'
key, and 'NumLock' should be mapped to 'clear'. This is, of course, on
the full keyboards... If you are talking about the Macbook keyboards, or
the wireless aluminum, then those keys may not exist there either.
--
SysRq key
I have an Apple Slim Aluminium keayboard. I joint a picture.
I don't have any 'help' key.
Is there any way I can map those key at the kernel level so it's
effective everywhere ? If it's include so edit the code, plz point me
into the right direction.
** Attachment added: wired_1_20070813.jpg
yep the fn key took it's place.
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Your right, 'fn' key is at the location where I expect to find 'Insert'
key. But the 'fn' key doesn't behave like an Insert key.
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Bump,
Here a list of keys that are not 'present' on the Apple Keyboard.
Important feature are related to it.
- Insert
- Print Screen
- SysRq
- NumLock
- Scroll Lock
- Pause
- Break
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** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: mactel-support
Importance: Undecided = Low
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This bug should be marked critical, not low. Isn't catastrophic data
loss enough of a reason? A freeze and cold reboot could lead to an
Irreparable partition and a bricked system. This could be easily
avoided if this bug did not exist.
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Don't worry about the level on mactel-support. that is just for the
team's reference.
It is not a bug since it is not a failure of anything in the code. This
is actually more of a feature request (no that it is not a good feature
to have). You need to talk to the Linux kernel developers as this
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