On Sat, 15 Nov 2008, Paul M Foster wrote:
> On Sat, Nov 15, 2008 at 12:05:49AM -0500, Eben King wrote:
>
>> On Fri, 14 Nov 2008, Paul M Foster wrote:
>>
>>> On Fri, Nov 14, 2008 at 09:36:37PM -0500, Eben King wrote:
>>>
>
>>>> Have you tried the "zap" combo (ctrl-alt-backspace)?
>>>
>>> Yep. Doesn't work. Of course, I haven't checked inittab to see if that
>>> key combination is turned on.
>>
>> Wouldn't be inittab. It would be whatever launches the X server, maybe
>> some
>> config file associated with [gkx]dm or startx. I think it's on by default,
>> so unless you've turned it off, it's probably enabled. Are you at least
>> restarting the nice way (ctrl-alt-fN then ctrl-alt-delete), not just
>> hitting
>> the reset button?
>
> You may be right about the X server/client, but Ctrl-Alt-Del is also set
> in /etc/inittab. The setting tells init what to do when someone presses
> that key combination. In my case, it's /sbin/shutdown -t1 -a -r now.
They changed it, at least in Ubuntu:
eben@pc:~$ find /etc/event.d/ -type f | xargs grep del
/etc/event.d/control-alt-delete:# control-alt-delete - emergency keypress handling
/etc/event.d/control-alt-delete:start on control-alt-delete
and from Xorg(1),
,--
| The special combinations of key presses recognized directly by Xorg
| are:
|
| Ctrl+Alt+Backspace
| Immediately kills the server -- no questions asked. This can
| be disabled with the DontZap xorg.conf(5) file option.
'--
That's where it goes, easy to find.
> When the freeze happens, the system doesn't respond to Ctrl-Alt-Fn. I
> generally ssh in and issue a reboot command, just so the disks sync and
> memory flushes, etc.
Look into the "magic sysrq key". Maybe it's enabled in your kernel.
-- -eben QebWenE01R@vTerYizUonI.nOetP http://royalty.mine.nu:81Every normal man must be tempted at times to spit upon his hands, hoist the black flag, and begin slitting throats. -- H.L. Mencken ----------------------------------------------------------------------- This list is provided as an unmoderated internet service by Networked Knowledge Systems (NKS). Views and opinions expressed in messages posted are those of the author and do not necessarily reflect the official policy or position of NKS or any of its employees.
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