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* Rui Nuno Capela <rncbc@rncbc.org> wrote: > > how hard of a freeze is it? I.e. if you log in over the text console, > > and do: > > > > chrt -f 99 -p `pidof 'IRQ 1'` > > chrt -f 99 -p $$ > > > > can you access the sysrq keys after the freeze happens? > > The lockup is pretty hard indeed. Complete lockup. No sysrq, not even > any output thru serial console. The only action that has some visible > effect is turning the power/reset switch off :) note that unless you try the above, or the debug_direct_keyboard switch, 'soft' lockups will have the same symptoms: no sysrq, no serial console, an apparently hung system. So unless you've done the equivalent already, please try my suggestions. Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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