On Mon, Aug 17, 2009 at 14:41 +0100, Liviu Andronic wrote:
[ ... ]
> meaning that I have to resort to using the hard-halt via the power
> button. Rebooting/Halting from Xfce works as expected (and it didn't
I can't really help you with your problem, but a "hard" shutdown is
almost never necessary. You can send various low-level commands to your
kernel using the "SysRq" Key [1], which will allow you to reboot a
computer without corrupting the filesystem.
The SysRq sequence you are after is "Reboot Even If System Utterly
Broken" ... Just press the following keys, waiting a while after each
step.
Alt + SysRq (Print Screen)
+ r Switch the keyboard from raw mode, the mode used by programs such
as X11 and svgalib, to XLATE mode
+ e Send the SIGTERM signal to all processes except init (PID 1)
+ i Send the SIGKILL signal to all processes except init
+ s Sync all mounted filesystems
+ u Remount all mounted filesystems in read-only mode
+ b Immediately reboot the system.
and voilà the system reboots and your data is as safe as possible.
with kind regards
Wolodja Wentland
[1] http://en.wikipedia.org/wiki/Magic_SysRq_key
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