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Next: Debian & Ubuntu [was: roadmap to OCaml >&g..
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External
Since: Nov 18, 2008
Posts: 8
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(Msg. 1) Posted: Tue Feb 10, 2009 9:20 am
Post subject: SysRq key on iBook
Archived from groups: linux>debian>ports>powerpc (more info?)
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Hi,
I've been doing some searching a while ago and didn't manage to find the
solution to my problem.
The system's running smoothly for a long time but if it freezes I'd like
to use SysRq key on my iBook G4.
Is there any way I can use SysRq key on my iBook without recompiling the
kernel first?
Cheers,
Raf
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External
Since: Mar 01, 2007
Posts: 8
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(Msg. 2) Posted: Thu Feb 12, 2009 5:20 am
Post subject: Re: SysRq key on iBook [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Le mardi 10 février 2009 à 12:28 +0000, Rafal Czlonka a écrit :
> Hi,
>
> I've been doing some searching a while ago and didn't manage to find the
> solution to my problem.
> The system's running smoothly for a long time but if it freezes I'd like
> to use SysRq key on my iBook G4.
>
> Is there any way I can use SysRq key on my iBook without recompiling the
> kernel first?
If you are using a stock debian kernel, sysrq should be on. Check out
existence of file /proc/sys/kernel/sysrq and its content (should be 1)
if 0, add "kernel.sysrq=1" in /etc/sysctl.conf and do a "sysctl
-p /etc/sysctl.conf as root.
btw, i am still wondering how to enter sysrq sequences on my ibook g4
but then it never freezes :p
Maybe you should spend some time regarding theses freezes instead.
regards
--
Thomas Constans
openDoor
06 23 37 87 85
09 51 73 91 75
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External
Since: Nov 18, 2008
Posts: 8
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(Msg. 3) Posted: Thu Feb 12, 2009 3:20 pm
Post subject: Re: SysRq key on iBook [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Thomas Constans wrote:
> If you are using a stock debian kernel, sysrq should be on. Check out
> existence of file /proc/sys/kernel/sysrq and its content (should be 1)
I know all that, I specifically mentioned the key combination for it since
it's not a full-sized keyboard.
> Maybe you should spend some time regarding theses freezes instead.
It hadn't froze for months so that's not the issue, I was just wondering
how to enter SysRq sequences directly from a keyboard, rather than
sending the codes, e.g. with 'echo' to /proc.
P.S. Please reply to the list.
Cheers,
Raf
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External
Since: Mar 01, 2007
Posts: 8
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(Msg. 4) Posted: Thu Feb 12, 2009 5:20 pm
Post subject: Re: SysRq key on iBook [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Le jeudi 12 février 2009 à 19:27 +0000, Rafal Czlonka a écrit :.
>
> It hadn't froze for months so that's not the issue, I was just wondering
> how to enter SysRq sequences directly from a keyboard, rather than
> sending the codes, e.g. with 'echo' to /proc.
I misunderstood
in fact we are asking the same question
regards
--
Thomas Constans
openDoor
06 23 37 87 85
09 51 73 91 75
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External
Since: May 17, 2006
Posts: 58
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(Msg. 5) Posted: Thu Feb 12, 2009 7:20 pm
Post subject: Re: SysRq key on iBook [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Hello Thomas,
Thomas Constans <thomas.constans.RemoveThis@opendoor.fr> wrote:
> Le mardi 10 février 2009 à 12:28 +0000, Rafal Czlonka a écrit :
>> Hi,
>>
>> I've been doing some searching a while ago and didn't manage to find the
>> solution to my problem.
>> The system's running smoothly for a long time but if it freezes I'd like
>> to use SysRq key on my iBook G4.
>>
>> Is there any way I can use SysRq key on my iBook without recompiling the
>> kernel first?
>
>
> If you are using a stock debian kernel, sysrq should be on. Check out
> existence of file /proc/sys/kernel/sysrq and its content (should be 1)
>
> btw, i am still wondering how to enter sysrq sequences on my ibook g4
I would say this is the more interesting question. AFAIK, sysrq is not
bound to a key or key combination on the iBook keyboard. Please, tell me
I'm wrong. 
Bye, Jörg.
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External
Since: Nov 18, 2008
Posts: 8
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(Msg. 6) Posted: Fri Feb 13, 2009 9:20 am
Post subject: Re: SysRq key on iBook [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
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Jörg Sommer wrote:
> I would say this is the more interesting question. AFAIK, sysrq is not
> bound to a key or key combination on the iBook keyboard. Please, tell me
> I'm wrong.
Indeed it is not - at least I haven't found it. I should've been more
precise as I'm after the very same thing - the key combination for it.
I do know that SysRq is available in the powerpc kernel and you can trigger
it's behaviour by sending codes to /proc, but that doesn't help me if I
can't switch to/open a terminal.
Cheers,
Raf
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