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On Thu, Mar 15, 2012 at 2:25 PM, Michael Mol <mikemol@×××××.com> wrote: |
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> On Thu, Mar 15, 2012 at 3:17 PM, Mick <michaelkintzios@×××××.com> wrote: |
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>> On Thursday 15 Mar 2012 17:02:15 Michael Mol wrote: |
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>>> On Thu, Mar 15, 2012 at 12:55 PM, Jarry <mr.jarry@×××××.com> wrote: |
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>>> > On 14-Mar-12 19:41, ZHANG, Le wrote: |
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>>> >> > So my question is: Can I somehow deliberately trigger |
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>>> >> > "kernel panic" (or "kernel oops")? |
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>>> >> |
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>>> >> For panic, echo c > /proc/sysrq-trigger |
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>>> > |
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>>> > After I issued the above mentioned command, my system |
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>>> > instantly "froze to death". Nothing changed on screen, |
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>>> > no "kernel panic" or "Ooops" screen. Just frozen... |
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>>> > |
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>>> > No reaction to keyboard or mouse. No auto-reboot either. |
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>>> > The only thing I could do is to press "Reset". Not exactly |
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>>> > what I have been expecting... |
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>>> |
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>>> Were you running under X? The panic would have killed X, which |
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>>> wouldn't have released control over the video hardware. |
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>>> |
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>>> There's a SysRq sequence to get around this, but I don't remember it. |
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>> |
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>> Ctrl+Alt+ |
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>> |
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>> R E I S U B |
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>> |
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>> (busier in reverse) |
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>> |
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>> After a E or I you should be back into a console, unless things are badly |
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>> screwed. |
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> |
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> Is that Ctrl+Alt+SysRq+(R E I S U B), or is the SysRq key not actually used? |
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|
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Sysrq is definitely required :) Ctrl, on the other hand, is optional. |
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And AltGr may be substituted for Alt. |