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On Wed, Oct 7, 2009 at 1:24 PM, Alex Schuster <wonko@×××××××××.org> wrote: |
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> Mark Knecht writes: |
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> |
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>> On Wed, Oct 7, 2009 at 12:48 PM, Neil Bothwick <neil@××××××××××.uk> wrote: |
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>> > On Wed, 7 Oct 2009 18:39:45 +0200, Alex Schuster wrote: |
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>> >> Others allow to kill processes, sync the filesystem, and such. The |
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>> >> combination Alt-SysRq-R-E-I-S-U-B reboots a hanging PC without file |
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>> >> system corruption. |
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>> > |
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>> > Usually! Sometimes a system can be locked up to badly that there's not |
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>> > enough resources left to sync the filesystems. Most of the time though |
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>> > Alt-SysRq-Reboot-Even-If-System-Utterly-Broken works. |
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> |
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> Right, I was a little too enthusiastic here. |
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> |
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>> I've seen you guys talk about this and I've never had to use it. |
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> |
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> Oh. I used it very often. |
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> |
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>> I'm curious about the actual key strokes. Is it |
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>> |
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>> Alt-SysRq and then REISUB |
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>> |
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>> or |
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>> |
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>> Alt-SysRq followed by Atl-R, Atl-E, etc.. ? |
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> |
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> It's Alt-SysRq-R, Alt-SysRq-E, and so on. With little pauses between, to |
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> give the action some time to work. Like, wait a little with the U (Unmount) |
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> after the S (Sync). Or after the E (kill all processes) in order to give the |
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> processes some time to save data, so the I (kill -9 all processes) does not |
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> interrupt this. |
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> |
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> Wonko |
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> |
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> |
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|
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thanks Wonko! |
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